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Oscar Health, Inc.

OSCR
Exchange
NYSE
Industry
Hospital & Medical Service Plans
SEC CIK
0001568651

In the last 90 days, Oscar Health, Inc. insiders filed 0 open-market purchases and 10 sales; 403 institutions reported holding it in 13F filings for Q2 2026, worth $5.65B in total; no superinvestor holds it.

Holders of 5% or more of OSCR

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Oscar Health, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of OSCR
HolderLatest formStakeChangeFirst filedLatest filingFiling
Thrive Capital Partners III, L.P.13D/A12.10%37.5M shares–Aug 30, 20214 filingsSep 18, 2026SEC
BlackRock, Inc.13G/A6.40%13.9M shares–Jul 17, 20251 filingJul 17, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

35 Schedule 13D and 13G filings on Oscar Health, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on OSCR
Filed (ET)FilerFormStakeChangeEvent dateFiling
Sep 18, 20268:18 PM ETThrive Capital Partners III, L.P.and 15 others13D/A12.10%37.5M shares–Sep 18, 2026SEC
Mar 27, 202611:06 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 17, 20267:00 AM ETDragoneer Investment Group, LLCand 1 other13G/A0.30%657.4K shares–Below 5%Dec 31, 2025SEC
Nov 14, 202512:18 PM ETT. Rowe Price Investment Management, Inc.13G/A3.70%8.32M shares–Below 5%Sep 30, 2025SEC
Nov 13, 20254:27 PM ETFlynn James Eand 3 others13G/A0.00%0 shares–Below 5%Sep 30, 2025SEC
Jul 31, 20251:58 PM ETJPMorgan Chase & Co13G/A4.50%9.95M shares−1.90 ppfrom 6.40%Below 5%Jun 30, 2025SEC
Jul 17, 20258:12 PM ETBlackRock, Inc.13G/A6.40%13.9M shares–Jun 30, 2025SEC
Apr 29, 202512:53 PM ETJPMorgan Chase & Co13G6.40%13.8M sharesNewMar 31, 2025SEC
Feb 14, 2024Khosla Ventures IV, L.P.13G/AOld format–––SEC
Feb 14, 2024General Catalyst Group Management Holdings GP, LLC13G/AOld format–––SEC
Feb 14, 2024Dragoneer Investment Group, LLC13GOld format–New–SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 12, 2024Flynn James E13G/AOld format–––SEC
Feb 2, 2024CapitalG 2015 LP13G/AOld format–––SEC
Jan 26, 202411:49 AM ETBlackRock Inc.13G/AOld format–––SEC
Jan 10, 2024Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf)13G/AOld format–––SEC
Dec 1, 2023Flynn James E13GOld format–New–SEC
Feb 14, 2023Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf)13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 3, 202312:10 PM ETBlackRock Inc.13GOld format–New–SEC
Dec 1, 2022Baillie Gifford & Co13G/AOld format–––SEC
Nov 7, 2022Baillie Gifford & Co13G/AOld format–––SEC
Feb 15, 2022General Catalyst Group Management Holdings GP, LLC13GOld format–New–SEC
Feb 14, 2022Khosla Ventures IV, L.P.13GOld format–New–SEC
Feb 14, 2022Founders Fund V, LP13GOld format–New–SEC
Feb 14, 2022CapitalG 2015 LP13GOld format–New–SEC
Feb 14, 2022Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf)13GOld format–New–SEC
Feb 10, 2022Vanguard Group Inc13GOld format–New–SEC
Feb 4, 2022Thrive Capital Partners III, L.P.13D/AOld format–––SEC
Jan 26, 2022Baillie Gifford & Co13G/AOld format–––SEC
Jan 26, 2022Baillie Gifford & Co13G/AOld format–––SEC
Nov 5, 2021Baillie Gifford & Co13G/AOld format–––SEC
Sep 16, 2021Thrive Capital Partners III, L.P.13D/AOld format–––SEC
Aug 30, 2021Thrive Capital Partners III, L.P.13DOld format–New–SEC
Apr 12, 2021FMR LLC13G/AOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Oscar Health, Inc. shares.

No Form 144 notices for Oscar Health, Inc. are on file.