BANNOCKBURN, IL
OPTION CARE HEALTH, INC.OPCH— Latest position per institution from SEC 13F filings
15
Institutional holders
149.14M
Total shares held
4.14B
Estimated value
7.46M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
21M
Value
581.72M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
19.89M
Value
535.38M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
16.65M
Value
530.39M
Filed
Dec 31, 2025
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
11.90M
Value
320.28M
Filed
Mar 31, 2026
DURABLE CAPITAL PARTNERS LP
CIK 1798849
Shares
8.99M
Value
242.04M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
8.06M
Value
217.04M
Filed
Mar 31, 2026
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 1082327
Shares
7.13M
Value
191.81M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
7.02M
Value
188.88M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
6.43M
Value
172.99M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
5.87M
Value
158.15M
Filed
Mar 31, 2026
THIRD POINT LLC
CIK 1040273
Shares
5.45M
Value
176.33M
Filed
Sep 30, 2023
CITADEL ADVISORS LLC
CIK 1423053
Shares
4.45M
Value
119.84M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
4.25M
Value
114.38M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
4.24M
Value
114.04M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
3.88M
Value
104.37M
Filed
Mar 31, 2026
SOUTHPOINT CAPITAL ADVISORS LP
CIK 1319998
Shares
3.60M
Value
96.91M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
2.81M
Value
75.76M
Filed
Mar 31, 2026
SUMITOMO MITSUI TRUST GROUP, INC.
CIK 1475365
Shares
2.61M
Value
70.29M
Filed
Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
2.49M
Value
66.99M
Filed
Mar 31, 2026
BOSTON PARTNERS
CIK 1386060
Shares
2.43M
Value
65.56M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 21M | 581.72M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 19.89M | 535.38M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 16.65M | 530.39M | Dec 31, 2025 |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 11.90M | 320.28M | Mar 31, 2026 |
| 5 | DURABLE CAPITAL PARTNERS LP | 1798849 | 8.99M | 242.04M | Mar 31, 2026 |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 8.06M | 217.04M | Mar 31, 2026 |
| 7 | FULLER & THALER ASSET MANAGEMENT, INC. | 1082327 | 7.13M | 191.81M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 7.02M | 188.88M | Mar 31, 2026 |
| 9 | FMR LLC | 315066 | 6.43M | 172.99M | Mar 31, 2026 |
| 10 | STATE STREET CORP | 93751 | 5.87M | 158.15M | Mar 31, 2026 |
| 11 | THIRD POINT LLC | 1040273 | 5.45M | 176.33M | Sep 30, 2023 |
| 12 | CITADEL ADVISORS LLC | 1423053 | 4.45M | 119.84M | Mar 31, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 4.25M | 114.38M | Mar 31, 2026 |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 4.24M | 114.04M | Mar 31, 2026 |
| 15 | DIMENSIONAL FUND ADVISORS LP | 354204 | 3.88M | 104.37M | Mar 31, 2026 |
| 16 | SOUTHPOINT CAPITAL ADVISORS LP | 1319998 | 3.60M | 96.91M | Mar 31, 2026 |
| 17 | MORGAN STANLEY | 895421 | 2.81M | 75.76M | Mar 31, 2026 |
| 18 | SUMITOMO MITSUI TRUST GROUP, INC. | 1475365 | 2.61M | 70.29M | Mar 31, 2026 |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 2.49M | 66.99M | Mar 31, 2026 |
| 20 | BOSTON PARTNERS | 1386060 | 2.43M | 65.56M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.