ClearSign Technologies Corp - CLIR

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
VANGUARD GROUP INC History No change 1,322,980 735 0.0% 0.0% 1 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 105,429 459 0.0% 2 +105,429 New Q1 2026 May 15, 2026
SIMON QUICK ADVISORS, LLC History Reduced 60,314 262 0.01% 0.01% 3 -542,835 -90.0% Q1 2026 May 06, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 57,683 251 0.0% 0.0% 4 -465,426 -88.97% Q1 2026 May 15, 2026
Cambridge Investment Research Advisors, Inc. History Reduced 44,300 193 0.0% 0.0% 5 -398,700 -90.0% Q1 2026 Apr 30, 2026
Beacon Pointe Advisors, LLC History New 27,173 118 0.0% 6 +27,173 New Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 23,460 102 0.0% 7 +23,460 New Q1 2026 May 08, 2026
BlackRock, Inc. History Reduced 19,503 85 0.0% 0.0% 8 -179,801 -90.21% Q1 2026 May 13, 2026
HighTower Advisors, LLC History Reduced 12,680 55 0.0% 0.0% 9 -114,129 -90.0% Q1 2026 May 05, 2026
Creative Planning History Reduced 12,355 53 0.0% 0.0% 10 -123,698 -90.92% Q1 2026 May 12, 2026
DDD Partners, LLC History Reduced 12,000 52 0.0% 0.0% 11 -108,000 -90.0% Q1 2026 Apr 28, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 10,500 45 0.0% 0.0% 12 -107,859 -91.13% Q1 2026 May 15, 2026
Rockefeller Capital Management L.P. History Reduced 8,120 35 0.0% 0.0% 13 -73,089 -90.0% Q1 2026 May 14, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History Reduced 7,172 31 0.0% 0.0% 14 -64,558 -90.0% Q1 2026 May 07, 2026
WELLS FARGO & COMPANY/MN History Reduced 2,125 9 0.0% 0.0% 15 -18,925 -89.9% Q1 2026 May 11, 2026
Gleason Group, Inc. History Reduced 1,802 7 0.0% 0.0% 17 -16,216 -90.0% Q1 2026 May 04, 2026
Centerpoint Advisors, LLC History Reduced 1,560 7 0.0% 0.0% 16 -14,140 -90.06% Q1 2026 May 07, 2026
Vanguard Global Advisers, LLC History New 1,350 5 0.0% 18 +1,350 New Q1 2026 May 08, 2026
Tower Research Capital LLC (TRC) History Reduced 1,045 4 0.0% 0.0% 19 -12,750 -92.42% Q1 2026 May 15, 2026
DEUTSCHE BANK AG\ History Reduced 400 1 0.0% 0.0% 20 -3,600 -90.0% Q1 2026 May 06, 2026
STATE STREET CORP History Closed out 0 0 0.0% -88,989 -100.0% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Closed out 0 0 0.0% -77,800 -100.0% Q1 2026 May 14, 2026
NORTHERN TRUST CORP History Closed out 0 0 0.0% -74,020 -100.0% Q1 2026 May 14, 2026
Disciplined Investments, LLC History Closed out 0 0 0.01% -55,886 -100.0% Q1 2026 May 12, 2026
Americana Partners, LLC History Closed out 0 0 0.0% -55,000 -100.0% Q1 2026 May 12, 2026
RAYMOND JAMES FINANCIAL INC History Closed out 0 0 0.0% -51,847 -100.0% Q1 2026 May 14, 2026
INTEGRITY ALLIANCE, LLC. History Closed out 0 0 0.0% -39,524 -100.0% Q1 2026 May 11, 2026
PREVAIL INNOVATIVE WEALTH ADVISORS, LLC History Closed out 0 0 0.0% -38,306 -100.0% Q1 2026 Apr 30, 2026
HIGHLAND CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.0% -32,454 -100.0% Q1 2026 Apr 13, 2026
XTX Topco Ltd History Closed out 0 0 0.0% -29,015 -100.0% Q1 2026 May 15, 2026
TWO SIGMA SECURITIES, LLC History Closed out 0 0 0.0% -26,794 -100.0% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -23,825 -100.0% Q1 2026 May 12, 2026
Chicago Partners Investment Group LLC History Closed out 0 0 0.0% -18,000 -100.0% Q1 2026 May 04, 2026
HRT FINANCIAL LP History Closed out 0 0 0.0% -17,578 -100.0% Q1 2026 May 14, 2026
FLAX POND CAPITAL, LLC History Closed out 0 0 0.01% -13,549 -100.0% Q1 2026 May 19, 2026
SIMPLEX TRADING, LLC History Closed out 0 0 0.0% -7,211 -100.0% Q1 2026 May 14, 2026
UBS Group AG History Closed out 0 0 -1,225 -100.0% Q1 2026 May 05, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 -907 -100.0% Q1 2026 May 15, 2026
SBI Securities Co., Ltd. History Reduced 11 0 -92 -89.32% Q1 2026 Apr 27, 2026
GROUP ONE TRADING LLC History New 9 0 +9 New Q1 2026 May 13, 2026
Allworth Financial LP History Closed out 0 0 -6 -100.0% Q1 2026 May 14, 2026
CITIGROUP INC History Closed out 0 0 -1 -100.0% Q1 2026 May 11, 2026
TUCKER ASSET MANAGEMENT LLC History No change 39 0 0 0.0% Q4 2025 Feb 05, 2026