CLEARSIGN TECHNOLOGIES CORP

PublicCIK: 1434524
CLIRNASDAQ
Location

TULSA, OK

13F Filings

Institutional Holders

CLEARSIGN TECHNOLOGIES CORPCLIR— Latest position per institution from SEC 13F filings

15

Institutional holders

408.98K

Total shares held

1.58M

Estimated value

20.45K

Avg. position size

1

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

105.43K

Value

459.67K

Filed

Mar 31, 2026

2

SIMON QUICK ADVISORS, LLC

CIK 1692038

Shares

60.31K

Value

262.97K

Filed

Mar 31, 2026

3

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

57.68K

Value

251.54K

Filed

Mar 31, 2026

4

CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.

CIK 1419186

Shares

44.30K

Value

193.00

Filed

Mar 31, 2026

5

BEACON POINTE ADVISORS, LLC

CIK 1744317

Shares

27.17K

Value

118.47K

Filed

Mar 31, 2026

6

VANGUARD FIDUCIARY TRUST CO

CIK 933478

Shares

23.46K

Value

102.29K

Filed

Mar 31, 2026

7

BLACKROCK, INC.

CIK 2012383

Shares

19.50K

Value

85.03K

Filed

Mar 31, 2026

8

HIGHTOWER ADVISORS, LLC

CIK 1462245

Shares

12.68K

Value

55.28K

Filed

Mar 31, 2026

9

CREATIVE PLANNING

CIK 1540235

Shares

12.36K

Value

53.87K

Filed

Mar 31, 2026

10

DDD PARTNERS, LLC

CIK 1729673

Shares

12K

Value

52.32K

Filed

Mar 31, 2026

11

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CIK 1446194

Shares

10.50K

Value

45.78K

Filed

Mar 31, 2026

12

ROCKEFELLER CAPITAL MANAGEMENT L.P.

CIK 1739439

Shares

8.12K

Value

35.40K

Filed

Mar 31, 2026

13

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

CIK 1141802

Shares

7.17K

Value

31.27K

Filed

Mar 31, 2026

14

WELLS FARGO & COMPANY/MN

CIK 72971

Shares

2.13K

Value

9.27K

Filed

Mar 31, 2026

15

GLEASON GROUP, INC.

CIK 1822632

Shares

1.80K

Value

7.86K

Filed

Mar 31, 2026

16

CENTERPOINT ADVISORS, LLC

CIK 1733788

Shares

1.56K

Value

7.00

Filed

Mar 31, 2026

17

VANGUARD GLOBAL ADVISERS, LLC

CIK 1811242

Shares

1.35K

Value

5.89K

Filed

Mar 31, 2026

18

TOWER RESEARCH CAPITAL LLC (TRC)

CIK 1533421

Shares

1.04K

Value

4.56K

Filed

Mar 31, 2026

19

DEUTSCHE BANK AG\

CIK 948046

Shares

400.00

Value

1.74K

Filed

Mar 31, 2026

20

SBI SECURITIES CO., LTD.

CIK 1851815

Shares

11.00

Value

48.00

Filed

Mar 31, 2026

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