Skip to main content
OSCR logo

OSCR · Oscar Health, Inc. · Shareholders & Ownership

Track OSCR — free
$33.45 -0.21 (-0.62%) At close · Oct 21
Market Cap
$10.39B
Shares
308.64M
Volume · Oct 21 3.3M Avg daily vol (3M) 5.33M

Every disclosed holder of OSCR in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns OSCR

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 198,455,690 64.30%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 30,060,009 9.74%
Remaining 80,129,301 25.96%
Registered funds (N-PORT, not summed) 74,887,703 24.26%

Shares outstanding: 308,645,000, the issuer's latest cover-page count restated onto today's split basis.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of OSCR

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
20,587,428
1.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
6,187,167
1.2
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,225,104
1.3
BlackRock Advantage Small Cap Core Fund
Fund S000039982 · Registered fund · May 29, 2026
BlackRock Funds, not summed
697,100
1.4
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
444,399
1.5
iShares Core S&P Total U.S. Stock Market ETF
Fund S000004317 · Registered fund · Jun 30, 2026
iShares Trust, not summed
285,452
2
Thrive Capital Partners III, L.P.
13D CIK 1556346 · Unknown · Sep 18, 2026
Item 4 purpose: not restated by this amendment, the earlier 13D's purpose stands
17,535,258
3
T. Rowe Price Investment Management, Inc.
13F CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
13,035,486
4
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
12,643,617
5
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
11,029,424
6
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
10,579,437
7
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
9,055,242
8
VK Services, LLC
13G CIK 1521016 · Unknown · Dec 31, 2023
Rule 13d-1(d), exempt investor
8,130,510
9
Bertolini Mark T
Insider CIK 1352552 · Jun 30, 2026
Director, Chief Executive Officer, issuer-wide, not summed
7,751,570
10
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
7,599,713
11
Avantis U.S. Small Cap Value ETF
Fund S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
6,454,468
12
JANE STREET GROUP, LLC
13F CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
6,365,039
13
Thrive Capital Management, LLC
13F CIK 1765681 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,343,617
14
Thrive Partners VII Growth GP, LLC
Insider CIK 1877735 · Nov 21, 2024
Director, 10% Owner, issuer-wide, not summed
6,343,617
15
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,819,186
16
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
5,801,351
16.1
State Street(R) SPDR(R) S&P(R) Insurance ETF
Fund S000006979 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
294,092
16.2
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
78,029
16.3
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
5,941
16.4
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
2,866
16.5
State Street Balanced Index Fund
Fund S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
1,154
17
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
5,490,151
18
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
4,998,523
18.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
2,634,954
18.2
Fidelity Small Cap Growth Fund
Fund S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
2,321,330
18.3
Fidelity Small Cap Growth K6 Fund
Fund S000057285 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
1,211,970
18.4
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
1,120,118
18.5
Fidelity Enhanced Small Cap Core ETF
Fund S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
667,036
19
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,229,552
20
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,035,689
21
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,571,731
21.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
897,760
21.2
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
805,292
21.3
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
286,808
21.4
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
184,735
21.5
U.S. Small Cap Growth Portfolio
Fund S000039439 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
88,689
22
BIT Capital GmbH
13F CIK 2053305 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
3,417,957
23
RENAISSANCE TECHNOLOGIES LLC
13F CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,284,500
24
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,255,724
24.1
T. Rowe Price Small-Cap Stock Fund, Inc.
Fund S000002120 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP STOCK FUND, INC., not summed
3,055,642
24.2
T. Rowe Price Small-Cap Value Fund, Inc.
Fund S000002121 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP VALUE FUND, INC., not summed
2,098,759
24.3
T. Rowe Price Institutional Small-Cap Stock Fund
Fund S000002094 · Registered fund · Jun 30, 2026
T. Rowe Price Equity Funds, Inc., not summed
1,646,407
24.4
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
1,064,800
24.5
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
868,331
25
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,163,647
26
JACOBS LEVY EQUITY MANAGEMENT, INC
13F CIK 884414 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,025,316
27
Assenagon Asset Management S.A.
13F CIK 1546007 · Unknown · Sep 30, 2026
2,589,708
28
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,534,834
29
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,289,557
29.1
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
78,661
29.2
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
57,351
29.3
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
20,668
29.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
1,146
30
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,211,209
30.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
121,931
30.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
29,668
30.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
12,166
31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,119,863
31.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
1,045,927
31.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
585,404
31.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
136,481
31.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
126,382
31.5
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
103,995
32
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,114,280
32.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
233
33
Joel E. Cutler
13G CIK 1774565 · Unknown · Dec 31, 2023
Rule 13d-1(d), exempt investor
2,107,719
34
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,770,745
34.1
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
608,377
34.2
Nuveen Quant Small/Mid Cap Equity Fund
Fund S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
456,005
34.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
314,359
34.4
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
185,253
34.5
Nuveen Quant Mid Cap Growth Fund
Fund S000005384 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
132,330
35
BNP PARIBAS ARBITRAGE, SA
13F CIK 1166588 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,706,196
36
Alphabet Holdings LLC
13G CIK 1771167 · Unknown · Dec 31, 2023
Rule 13d-1(d), exempt investor
1,629,087
37
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,612,764
38
STATE OF MICHIGAN RETIREMENT SYSTEM
13F CIK 762152 · Pension or benefit plan · Jun 30, 2026
carried, not yet filed for the newest quarter
1,450,000
39
GLYNN CAPITAL MANAGEMENT LLC
13F CIK 911270 · Unknown · Sep 30, 2026
1,380,836
40
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,318,173
41
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,213,056
42
Halter Ferguson Financial Inc.
13F CIK 1842665 · Registered investment adviser · Sep 30, 2026
1,211,825
43
GROUP ONE TRADING LLC
13F CIK 932540 · Broker-dealer · Jun 30, 2026
carried, not yet filed for the newest quarter
1,148,112
44
WEDGE CAPITAL MANAGEMENT L L P/NC
13F CIK 1015308 · Unknown · Sep 30, 2026
1,127,765
45
Blackley Richard Scott
Insider CIK 1525020 · Sep 3, 2026
Senior Advisor, issuer-wide, not summed
1,102,358
46
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F CIK 1535845 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
1,093,992
47
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,083,939
48
VANGUARD RUSSELL 2000 INDEX FUND
Fund S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
1,043,043
49
TUDOR INVESTMENT CORP ET AL
13F CIK 923093 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,018,792
50
GILDER GAGNON HOWE & CO LLC
13F CIK 902464 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,001,982

54 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 566 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1568651 CUSIP 687793109 13F (30d) 50 filings 48 filers Visit website Investor relations