S&P 500 index news

Every official S&P 500 change we track, newest first: the provider's announcement, the day it takes effect, and the press coverage around it. Each entry links to the newsroom where the original release is published.

Official sources

80 items
  • Aug 18, 2026AnnouncementS&P 500

    S&P 500: Reddit (RDDT) to join

    S&P Dow Jones Indices announced on Aug 18, 2026 that Reddit will join the S&P 500, replacing AvalonBay Communities. Effective after the close on Aug 18, 2026.

  • Aug 18, 2026EffectiveS&P 500

    S&P 500: RDDT inclusion effective

    Reddit entered the S&P 500 after the close on Aug 18, 2026, forcing every tracking fund to hold it.

  • Aug 5, 2026AnnouncementS&P 500

    S&P 500: Ferguson Enterprises (FERG) to join

    S&P Dow Jones Indices announced on Aug 5, 2026 that Ferguson Enterprises will join the S&P 500, replacing Electronic Arts. Effective after the close on Aug 5, 2026.

  • Aug 5, 2026EffectiveS&P 500

    S&P 500: FERG inclusion effective

    Ferguson Enterprises entered the S&P 500 after the close on Aug 5, 2026, forcing every tracking fund to hold it.

  • Jul 31, 2026PressS&P 500

    Live Markets: Who's next for the S&P 500? The clock is ticking

    Reuters rounds up the names traders are positioning in as the next S&P DJI announcement window approaches.

  • Jul 13, 2026PressS&P 500

    These two stocks could soon be added to the S&P 500, says KBW

    KBW's index desk flags two names it believes are closest to clearing the S&P 500 eligibility bar ahead of the September rebalance.

  • Jun 29, 2026AnnouncementS&P 500

    S&P 500: Honeywell Aerospace (HONA) to join

    S&P Dow Jones Indices announced on Jun 29, 2026 that Honeywell Aerospace will join the S&P 500, replacing . Effective after the close on Jun 29, 2026.

  • Jun 29, 2026EffectiveS&P 500

    S&P 500: HONA inclusion effective

    Honeywell Aerospace entered the S&P 500 after the close on Jun 29, 2026, forcing every tracking fund to hold it.

  • Jun 29, 2026PressS&P 500

    SoFi Has Quietly Met the Bar for S&P 500 Inclusion

    Argues SoFi now satisfies the index's profitability and size criteria after missing the June reshuffle, and sizes up what inclusion flows could mean for the stock.

  • Jun 22, 2026AnnouncementS&P 500

    S&P 500: Flex Ltd. (FLEX) to join

    S&P Dow Jones Indices announced on Jun 22, 2026 that Flex Ltd. will join the S&P 500, replacing Campbell's. Effective after the close on Jun 22, 2026.

  • Jun 22, 2026EffectiveS&P 500

    S&P 500: FLEX inclusion effective

    Flex Ltd. entered the S&P 500 after the close on Jun 22, 2026, forcing every tracking fund to hold it.

  • Jun 22, 2026AnnouncementS&P 500

    S&P 500: Marvell Technology (MRVL) to join

    S&P Dow Jones Indices announced on Jun 22, 2026 that Marvell Technology will join the S&P 500, replacing Pool Corporation. Effective after the close on Jun 22, 2026.

  • Jun 22, 2026EffectiveS&P 500

    S&P 500: MRVL inclusion effective

    Marvell Technology entered the S&P 500 after the close on Jun 22, 2026, forcing every tracking fund to hold it.

  • Jun 1, 2026AnnouncementS&P 500

    S&P 500: FedEx Freight (FDXF) to join

    S&P Dow Jones Indices announced on Jun 1, 2026 that FedEx Freight will join the S&P 500, replacing . Effective after the close on Jun 1, 2026.

  • Jun 1, 2026EffectiveS&P 500

    S&P 500: FDXF inclusion effective

    FedEx Freight entered the S&P 500 after the close on Jun 1, 2026, forcing every tracking fund to hold it.

  • May 7, 2026AnnouncementS&P 500

    S&P 500: Veeva Systems (VEEV) to join

    S&P Dow Jones Indices announced on May 7, 2026 that Veeva Systems will join the S&P 500, replacing Coterra Energy. Effective after the close on May 7, 2026.

  • May 7, 2026EffectiveS&P 500

    S&P 500: VEEV inclusion effective

    Veeva Systems entered the S&P 500 after the close on May 7, 2026, forcing every tracking fund to hold it.

  • Apr 9, 2026AnnouncementS&P 500

    S&P 500: Casey's (CASY) to join

    S&P Dow Jones Indices announced on Apr 9, 2026 that Casey's will join the S&P 500, replacing Hologic. Effective after the close on Apr 9, 2026.

  • Apr 9, 2026EffectiveS&P 500

    S&P 500: CASY inclusion effective

    Casey's entered the S&P 500 after the close on Apr 9, 2026, forcing every tracking fund to hold it.

  • Mar 23, 2026AnnouncementS&P 500

    S&P 500: Lumentum (LITE) to join

    S&P Dow Jones Indices announced on Mar 23, 2026 that Lumentum will join the S&P 500, replacing Molina Healthcare. Effective after the close on Mar 23, 2026.

  • Mar 23, 2026EffectiveS&P 500

    S&P 500: LITE inclusion effective

    Lumentum entered the S&P 500 after the close on Mar 23, 2026, forcing every tracking fund to hold it.

  • Mar 23, 2026AnnouncementS&P 500

    S&P 500: EchoStar (SATS) to join

    S&P Dow Jones Indices announced on Mar 23, 2026 that EchoStar will join the S&P 500, replacing Paycom. Effective after the close on Mar 23, 2026.

  • Mar 23, 2026EffectiveS&P 500

    S&P 500: SATS inclusion effective

    EchoStar entered the S&P 500 after the close on Mar 23, 2026, forcing every tracking fund to hold it.

  • Mar 23, 2026AnnouncementS&P 500

    S&P 500: Vertiv (VRT) to join

    S&P Dow Jones Indices announced on Mar 23, 2026 that Vertiv will join the S&P 500, replacing Match Group. Effective after the close on Mar 23, 2026.

  • Mar 23, 2026EffectiveS&P 500

    S&P 500: VRT inclusion effective

    Vertiv entered the S&P 500 after the close on Mar 23, 2026, forcing every tracking fund to hold it.

  • Mar 23, 2026AnnouncementS&P 500

    S&P 500: Coherent Corp. (COHR) to join

    S&P Dow Jones Indices announced on Mar 23, 2026 that Coherent Corp. will join the S&P 500, replacing Lamb Weston. Effective after the close on Mar 23, 2026.

  • Mar 23, 2026EffectiveS&P 500

    S&P 500: COHR inclusion effective

    Coherent Corp. entered the S&P 500 after the close on Mar 23, 2026, forcing every tracking fund to hold it.

  • Feb 9, 2026AnnouncementS&P 500

    S&P 500: Ciena (CIEN) to join

    S&P Dow Jones Indices announced on Feb 9, 2026 that Ciena will join the S&P 500, replacing Dayforce. Effective after the close on Feb 9, 2026.

  • Feb 9, 2026EffectiveS&P 500

    S&P 500: CIEN inclusion effective

    Ciena entered the S&P 500 after the close on Feb 9, 2026, forcing every tracking fund to hold it.

  • Dec 22, 2025AnnouncementS&P 500

    S&P 500: Carvana (CVNA) to join

    S&P Dow Jones Indices announced on Dec 22, 2025 that Carvana will join the S&P 500, replacing Solstice Advanced Materials. Effective after the close on Dec 22, 2025.

  • Dec 22, 2025EffectiveS&P 500

    S&P 500: CVNA inclusion effective

    Carvana entered the S&P 500 after the close on Dec 22, 2025, forcing every tracking fund to hold it.

  • Dec 22, 2025AnnouncementS&P 500

    S&P 500: Comfort Systems USA (FIX) to join

    S&P Dow Jones Indices announced on Dec 22, 2025 that Comfort Systems USA will join the S&P 500, replacing Mohawk Industries. Effective after the close on Dec 22, 2025.

  • Dec 22, 2025EffectiveS&P 500

    S&P 500: FIX inclusion effective

    Comfort Systems USA entered the S&P 500 after the close on Dec 22, 2025, forcing every tracking fund to hold it.

  • Dec 22, 2025AnnouncementS&P 500

    S&P 500: CRH (CRH) to join

    S&P Dow Jones Indices announced on Dec 22, 2025 that CRH will join the S&P 500, replacing LKQ Corporation. Effective after the close on Dec 22, 2025.

  • Dec 22, 2025EffectiveS&P 500

    S&P 500: CRH inclusion effective

    CRH entered the S&P 500 after the close on Dec 22, 2025, forcing every tracking fund to hold it.

  • Dec 11, 2025AnnouncementS&P 500

    S&P 500: Ares Management (ARES) to join

    S&P Dow Jones Indices announced on Dec 11, 2025 that Ares Management will join the S&P 500, replacing Kellanova. Effective after the close on Dec 11, 2025.

  • Dec 11, 2025EffectiveS&P 500

    S&P 500: ARES inclusion effective

    Ares Management entered the S&P 500 after the close on Dec 11, 2025, forcing every tracking fund to hold it.

  • Nov 28, 2025AnnouncementS&P 500

    S&P 500: Sandisk (SNDK) to join

    S&P Dow Jones Indices announced on Nov 28, 2025 that Sandisk will join the S&P 500, replacing Interpublic Group. Effective after the close on Nov 28, 2025.

  • Nov 28, 2025EffectiveS&P 500

    S&P 500: SNDK inclusion effective

    Sandisk entered the S&P 500 after the close on Nov 28, 2025, forcing every tracking fund to hold it.

  • Nov 3, 2025AnnouncementS&P 500

    S&P 500: Qnity Electronics (Q) to join

    S&P Dow Jones Indices announced on Nov 3, 2025 that Qnity Electronics will join the S&P 500, replacing . Effective after the close on Nov 3, 2025.

  • Nov 3, 2025EffectiveS&P 500

    S&P 500: Q inclusion effective

    Qnity Electronics entered the S&P 500 after the close on Nov 3, 2025, forcing every tracking fund to hold it.

  • Oct 30, 2025AnnouncementS&P 500

    S&P 500: Solstice Advanced Materials (SOLS) to join

    S&P Dow Jones Indices announced on Oct 30, 2025 that Solstice Advanced Materials will join the S&P 500, replacing . Effective after the close on Oct 30, 2025.

  • Oct 30, 2025EffectiveS&P 500

    S&P 500: SOLS inclusion effective

    Solstice Advanced Materials entered the S&P 500 after the close on Oct 30, 2025, forcing every tracking fund to hold it.

  • Sep 22, 2025EffectiveS&P 500

    S&P 500: HOOD inclusion effective

    Robinhood Markets entered the S&P 500 after the close on Sep 22, 2025, forcing every tracking fund to hold it.

  • Sep 22, 2025EffectiveS&P 500

    S&P 500: EME inclusion effective

    EMCOR Group entered the S&P 500 after the close on Sep 22, 2025, forcing every tracking fund to hold it.

  • Sep 22, 2025EffectiveS&P 500

    S&P 500: APP inclusion effective

    AppLovin entered the S&P 500 after the close on Sep 22, 2025, forcing every tracking fund to hold it.

  • Sep 5, 2025AnnouncementS&P 500

    S&P 500: Robinhood Markets (HOOD) to join

    S&P Dow Jones Indices announced on Sep 5, 2025 that Robinhood Markets will join the S&P 500, replacing Caesars Entertainment. Effective after the close on Sep 22, 2025.

  • Sep 5, 2025AnnouncementS&P 500

    S&P 500: EMCOR Group (EME) to join

    S&P Dow Jones Indices announced on Sep 5, 2025 that EMCOR Group will join the S&P 500, replacing Enphase Energy. Effective after the close on Sep 22, 2025.

  • Sep 5, 2025AnnouncementS&P 500

    S&P 500: AppLovin (APP) to join

    S&P Dow Jones Indices announced on Sep 5, 2025 that AppLovin will join the S&P 500, replacing MarketAxess Holdings. Effective after the close on Sep 22, 2025.

  • Aug 28, 2025EffectiveS&P 500

    S&P 500: IBKR inclusion effective

    Interactive Brokers Group entered the S&P 500 after the close on Aug 28, 2025, forcing every tracking fund to hold it.

  • Aug 22, 2025AnnouncementS&P 500

    S&P 500: Interactive Brokers Group (IBKR) to join

    S&P Dow Jones Indices announced on Aug 22, 2025 that Interactive Brokers Group will join the S&P 500, replacing Walgreens Boots Alliance. Effective after the close on Aug 28, 2025.

  • Jul 23, 2025EffectiveS&P 500

    S&P 500: XYZ inclusion effective

    Block, Inc. entered the S&P 500 after the close on Jul 23, 2025, forcing every tracking fund to hold it.

  • Jul 18, 2025AnnouncementS&P 500

    S&P 500: Block, Inc. (XYZ) to join

    S&P Dow Jones Indices announced on Jul 18, 2025 that Block, Inc. will join the S&P 500, replacing Hess. Effective after the close on Jul 23, 2025.

  • Jul 18, 2025AnnouncementS&P 500

    S&P 500: Trade Desk (The) (TTD) to join

    S&P Dow Jones Indices announced on Jul 18, 2025 that Trade Desk (The) will join the S&P 500, replacing Ansys. Effective after the close on Jul 18, 2025.

  • Jul 18, 2025EffectiveS&P 500

    S&P 500: TTD inclusion effective

    Trade Desk (The) entered the S&P 500 after the close on Jul 18, 2025, forcing every tracking fund to hold it.

  • Jul 9, 2025EffectiveS&P 500

    S&P 500: DDOG inclusion effective

    Datadog entered the S&P 500 after the close on Jul 9, 2025, forcing every tracking fund to hold it.

  • Jul 2, 2025AnnouncementS&P 500

    S&P 500: Datadog (DDOG) to join

    S&P Dow Jones Indices announced on Jul 2, 2025 that Datadog will join the S&P 500, replacing Juniper Networks. Effective after the close on Jul 9, 2025.

  • May 19, 2025EffectiveS&P 500

    S&P 500: COIN inclusion effective

    Coinbase Global entered the S&P 500 after the close on May 19, 2025, forcing every tracking fund to hold it.

  • May 12, 2025AnnouncementS&P 500

    S&P 500: Coinbase Global (COIN) to join

    S&P Dow Jones Indices announced on May 12, 2025 that Coinbase Global will join the S&P 500, replacing Discover Financial Services. Effective after the close on May 19, 2025.

  • Mar 24, 2025EffectiveS&P 500

    S&P 500: EXE inclusion effective

    Expand Energy entered the S&P 500 after the close on Mar 24, 2025, forcing every tracking fund to hold it.

  • Mar 24, 2025EffectiveS&P 500

    S&P 500: TKO inclusion effective

    TKO Group Holdings entered the S&P 500 after the close on Mar 24, 2025, forcing every tracking fund to hold it.

  • Mar 24, 2025EffectiveS&P 500

    S&P 500: WSM inclusion effective

    Williams-Sonoma entered the S&P 500 after the close on Mar 24, 2025, forcing every tracking fund to hold it.

  • Mar 24, 2025EffectiveS&P 500

    S&P 500: DASH inclusion effective

    DoorDash entered the S&P 500 after the close on Mar 24, 2025, forcing every tracking fund to hold it.

  • Mar 7, 2025AnnouncementS&P 500

    S&P 500: Expand Energy (EXE) to join

    S&P Dow Jones Indices announced on Mar 7, 2025 that Expand Energy will join the S&P 500, replacing FMC Corporation. Effective after the close on Mar 24, 2025.

  • Mar 7, 2025AnnouncementS&P 500

    S&P 500: TKO Group Holdings (TKO) to join

    S&P Dow Jones Indices announced on Mar 7, 2025 that TKO Group Holdings will join the S&P 500, replacing Teleflex. Effective after the close on Mar 24, 2025.

  • Mar 7, 2025AnnouncementS&P 500

    S&P 500: Williams-Sonoma (WSM) to join

    S&P Dow Jones Indices announced on Mar 7, 2025 that Williams-Sonoma will join the S&P 500, replacing Celanese. Effective after the close on Mar 24, 2025.

  • Mar 7, 2025AnnouncementS&P 500

    S&P 500: DoorDash (DASH) to join

    S&P Dow Jones Indices announced on Mar 7, 2025 that DoorDash will join the S&P 500, replacing BorgWarner. Effective after the close on Mar 24, 2025.

  • Dec 23, 2024EffectiveS&P 500

    S&P 500: APO inclusion effective

    Apollo Global Management entered the S&P 500 after the close on Dec 23, 2024, forcing every tracking fund to hold it.

  • Dec 23, 2024EffectiveS&P 500

    S&P 500: WDAY inclusion effective

    Workday entered the S&P 500 after the close on Dec 23, 2024, forcing every tracking fund to hold it.

  • Dec 6, 2024AnnouncementS&P 500

    S&P 500: Apollo Global Management (APO) to join

    S&P Dow Jones Indices announced on Dec 6, 2024 that Apollo Global Management will join the S&P 500, replacing Qorvo. Effective after the close on Dec 23, 2024.

  • Dec 6, 2024AnnouncementS&P 500

    S&P 500: Workday (WDAY) to join

    S&P Dow Jones Indices announced on Dec 6, 2024 that Workday will join the S&P 500, replacing Amentum Holdings. Effective after the close on Dec 23, 2024.

  • Nov 26, 2024EffectiveS&P 500

    S&P 500: TPL inclusion effective

    Texas Pacific Land entered the S&P 500 after the close on Nov 26, 2024, forcing every tracking fund to hold it.

  • Nov 22, 2024AnnouncementS&P 500

    S&P 500: Texas Pacific Land (TPL) to join

    S&P Dow Jones Indices announced on Nov 22, 2024 that Texas Pacific Land will join the S&P 500, replacing Marathon Oil. Effective after the close on Nov 26, 2024.

  • Nov 15, 2024EffectiveS&P 500

    S&P 500: AMTM inclusion effective

    Amentum Holdings entered the S&P 500 after the close on Nov 15, 2024, forcing every tracking fund to hold it.

  • Nov 8, 2024AnnouncementS&P 500

    S&P 500: Amentum Holdings (AMTM) to join

    S&P Dow Jones Indices announced on Nov 8, 2024 that Amentum Holdings will join the S&P 500, replacing Added as a Jacobs spin-off. Effective after the close on Nov 15, 2024.

  • Oct 1, 2024EffectiveS&P 500

    S&P 500: UAL inclusion effective

    United Airlines Holdings entered the S&P 500 after the close on Oct 1, 2024, forcing every tracking fund to hold it.

  • Oct 1, 2024EffectiveS&P 500

    S&P 500: LII inclusion effective

    Lennox International entered the S&P 500 after the close on Oct 1, 2024, forcing every tracking fund to hold it.

  • Sep 27, 2024AnnouncementS&P 500

    S&P 500: United Airlines Holdings (UAL) to join

    S&P Dow Jones Indices announced on Sep 27, 2024 that United Airlines Holdings will join the S&P 500, replacing Bio-Techne. Effective after the close on Oct 1, 2024.

  • Sep 27, 2024AnnouncementS&P 500

    S&P 500: Lennox International (LII) to join

    S&P Dow Jones Indices announced on Sep 27, 2024 that Lennox International will join the S&P 500, replacing Catalent. Effective after the close on Oct 1, 2024.

  • Sep 23, 2024EffectiveS&P 500

    S&P 500: ERIE inclusion effective

    Erie Indemnity entered the S&P 500 after the close on Sep 23, 2024, forcing every tracking fund to hold it.

Announcement and effective dates come from the index providers listed above; press items link to their publisher. Always confirm against the original release before trading — nothing here is investment advice.