OPTIMIZERX CORP

PublicCIK: 1448431
OPRXNASDAQ
Location

WALTHAM, MA

13F Filings

Institutional Holders

OPTIMIZERX CORPOPRX— Latest position per institution from SEC 13F filings

15

Institutional holders

14.95M

Total shares held

122.34M

Estimated value

747.29K

Avg. position size

1

FIRST LIGHT ASSET MANAGEMENT, LLC

CIK 1600004

Shares

1.81M

Value

13.99M

Filed

Sep 30, 2024

2

WHETSTONE CAPITAL ADVISORS, LLC

CIK 1607278

Shares

1.51M

Value

8.63M

Filed

Jun 30, 2026

3

DIVISADERO STREET CAPITAL MANAGEMENT, LP

CIK 1901865

Shares

1.32M

Value

13.16M

Filed

Jun 30, 2024

4

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

1.18M

Value

11.75M

Filed

Jun 30, 2024

5

VANGUARD GROUP INC

CIK 102909

Shares

1.14M

Value

13.94M

Filed

Dec 31, 2025

6

ROYCE & ASSOCIATES LP

CIK 906304

Shares

1.09M

Value

6.23M

Filed

Jun 30, 2026

7

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

699.60K

Value

4M

Filed

Jun 30, 2026

8

KENNEDY CAPITAL MANAGEMENT LLC

CIK 884589

Shares

644.15K

Value

3.68M

Filed

Jun 30, 2026

9

RICE HALL JAMES & ASSOCIATES, LLC

CIK 1230765

Shares

633.84K

Value

3.63M

Filed

Jun 30, 2026

10

BLAIR WILLIAM & CO/IL

CIK 902367

Shares

607.92K

Value

3.48M

Filed

Jun 30, 2026

11

AQR CAPITAL MANAGEMENT LLC

CIK 1167557

Shares

583.96K

Value

3.34M

Filed

Jun 30, 2026

12

NEXT CENTURY GROWTH INVESTORS LLC

CIK 1134007

Shares

505.41K

Value

6.20M

Filed

Dec 31, 2025

13

CASDIN CAPITAL, LLC

CIK 1534261

Shares

500K

Value

7.32M

Filed

Mar 31, 2023

14

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

477.69K

Value

2.73M

Filed

Jun 30, 2026

15

WASATCH ADVISORS LP

CIK 814133

Shares

458.64K

Value

6.55M

Filed

Jun 30, 2023

16

BLACKROCK, INC.

CIK 2012383

Shares

445.38K

Value

2.55M

Filed

Jun 30, 2026

17

JACOB ASSET MANAGEMENT OF NEW YORK LLC

CIK 1279256

Shares

370.33K

Value

2.88M

Filed

Sep 30, 2023

18

PARKMAN HEALTHCARE PARTNERS LLC

CIK 1777015

Shares

350.35K

Value

2M

Filed

Jun 30, 2026

19

SAMJO CAPITAL LLC

CIK 1509943

Shares

316.60K

Value

2.46M

Filed

Sep 30, 2023

20

CREDIT SUISSE AG/

CIK 824468

Shares

314.47K

Value

3.82M

Filed

Mar 31, 2024

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.