undamentalytics Newsletter

Oscar Health, Inc.: which funds bought and sold

Institutions that bought and sold Oscar Health shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.

Between March 31, 2026 and June 30, 2026, 258 institutions that filed 13F reports for both quarters added to or opened positions in Oscar Health, and 147 cut or closed them. Together they added a net 24.6M shares, +14.1% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 19.8M shares (+37.8%); index fund managers were net buyers of 5.6M shares (+10.3%). 117 opened a new position and 49 sold out entirely.

Bought, Q2 2026 258 institutions, 117 of them new holders Sold, Q2 2026 147 institutions, 49 of them sold out
Net change, all compared +24.6M shares (+14.1%)
Net change, active managers +19.8M shares (+37.8%), 37 bought, 25 sold

Buyers versus sellers

institutions compared, 440
Active managers and hedge funds 37 bought · 25 sold · +19.8M
Index fund managers 10 bought · 1 sold · +5.6M
Other institutions 211 bought · 121 sold · −822K

Biggest buyers

by change in shares held
Biggest buyers
Institution Change in shares Shares June 30, 2026 Value
D. E. Shaw & Co., Inc. Hedge fund +7.2M +130.5% 12.6M $361M
FMR LLC Active manager +3.8M +317.0% 5.0M $143M
Jane Street Group, LLC +3.5M +119.2% 6.4M $182M
Renaissance Technologies LLC Hedge fund +3.3M New position 3.3M $93.7M
Blackrock, Inc. Index funds +3.3M +18.9% 20.6M $587M
American Century Companies Inc Active manager +2.0M +28.8% 9.1M $258M
Two Sigma Investments, LP Hedge fund +1.7M +71.8% 4.0M $115M
T. Rowe Price Investment Management, Inc. Active manager +1.4M +11.9% 13.0M $372M
Price T Rowe Associates Inc Active manager +1.3M +70.1% 3.3M $92.9M
Assenagon Asset Management S.A. +1.3M +103.3% 2.5M $71.2M
Wedge Capital Management L L P Active manager +1.2M New position 1.2M $32.9M
Healthcare Of Ontario Pension Plan Trust Fund +1.1M New position 1.1M $31.2M
Qube Research & Technologies Ltd Hedge fund +1.0M +1472.4% 1.1M $30.9M
Federated Hermes, Inc. Active manager +915K New position 915K $26.1M
Goldman Sachs Group Inc +818K +55.6% 2.3M $65.3M
Geode Capital Management, LLC Index funds +787K +15.6% 5.8M $166M
Citadel Advisors LLC Hedge fund +763K +22.0% 4.2M $121M
Walleye Capital LLC Hedge fund +758K +1324.4% 815K $23.2M
Jump Financial, LLC +601K New position 601K $17.1M
Jacobs Levy Equity Management, Inc Active manager +551K +22.3% 3.0M $86.3M

Biggest sellers

by change in shares held
Biggest sellers
Institution Change in shares Shares June 30, 2026 Value
Bit Capital Gmbh −2.9M −45.9% 3.4M $97.5M
Point72 Asset Management, L.P. Hedge fund −2.3M −74.3% 800K $22.8M
Susquehanna International Group, LLP −2.3M −82.9% 470K $13.4M
Freestone Grove Partners LP Hedge fund −1.6M Sold out 0 —
Bank Of America Corp −1.5M −53.9% 1.3M $37.6M
Jupiter Asset Management Ltd Active manager −1.3M Sold out 0 —
Morgan Stanley −1.2M −37.0% 2.1M $60.3M
Defiance Etfs, LLC −769K Sold out 0 —
Tudor Investment Corp Et Al Hedge fund −702K −40.8% 1.0M $29.1M
SG Americas Securities, LLC −662K −82.6% 139K $4M
Dimensional Fund Advisors LP −621K −14.8% 3.6M $102M
Trexquant Investment LP Hedge fund −574K −56.4% 444K $12.7M
Sessa Capital Im, L.P. Hedge fund −500K Sold out 0 —
Engineers Gate Manager LP Hedge fund −431K −58.3% 309K $8.8M
Imc-Chicago, LLC −428K −50.4% 422K $12M
Walleye Trading LLC −398K −41.6% 559K $16M
Fiduciary Alliance LLC −371K −51.9% 344K $9.8M
Dragoneer Investment Group, LLC Hedge fund −366K Sold out 0 —
UBS Group AG −362K −23.0% 1.2M $34.6M
Marshall Wace, LLP Hedge fund −324K −35.2% 598K $17.1M

New positions

largest by value
InstitutionSharesValue June 30, 2026
Renaissance Technologies LLCHedge fund 3.3M $93.7M
Wedge Capital Management L L PActive manager 1.2M $32.9M
Healthcare Of Ontario Pension Plan Trust Fund 1.1M $31.2M
Federated Hermes, Inc.Active manager 915K $26.1M
Jump Financial, LLC 601K $17.1M
Fora Capital, LLC 419K $12M
Perceptive Advisors LLCHedge fund 400K $11.4M
Connor, Clark & Lunn Investment Management Ltd. 398K $11.3M
Silvercrest Asset Management Group LLC 379K $10.8M
Ardsley Advisory Partners LP 350K $10M

Sold out

largest by value
InstitutionSharesValue March 31, 2026
Freestone Grove Partners LPHedge fund 1.6M $18.4M
Jupiter Asset Management LtdActive manager 1.3M $15.3M
Defiance Etfs, LLC 769K $8.8M
Sessa Capital Im, L.P.Hedge fund 500K $5.7M
Dragoneer Investment Group, LLCHedge fund 366K $4.2M
Neo Ivy Capital Management 270K $3.1M
Aquatic Capital Management LLC 165K $1.9M
Raiffeisen Bank International AG 126K $1.4M
Onedigital Investment Advisors LLC 125K $1.4M
Holocene Advisors, LPHedge fund 84K $965,958

Who holds the shares

13F holdings at June 30, 2026
Institutions reporting
400
Ten largest holders
50.7%
of 13F-reported shares
Index fund managers
30.1%
of 13F-reported shares
Active managers and hedge funds
36.1%
of 13F-reported shares
Buying and selling by type of institution, March 31, 2026 to June 30, 2026
TypeBoughtSoldNewSold outNet change in sharesNet %
Active managers and hedge funds 37 25 13 11 +19.8M +37.8%
Index fund managers 10 1 0 0 +5.6M +10.3%
Other institutions 211 121 104 38 −822K −1.2%

Active managers and hedge funds: a list we maintain of about 400 well-known stock-picking firms and hedge funds, matched by SEC registration number (CIK) and checked against the filer names each quarter. Index fund managers: the large index houses, such as BlackRock, Vanguard, State Street, Geode and Northern Trust. Every other filer (banks, brokers, wealth managers, pension funds, insurers and firms not on the list) counts as another institution. A firm that files under several SEC registrations appears once for each.

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