Stock

Clearsign Technologies Corp

CLIR · held by 38 managers

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Reported value

$2.22M

Holders

+1 new · −1 exited

Holders’ est. mark

−$196

Price effect on 2 books still in the name

Largest holder

$735.6K

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Renaissance Technologies0.0% · $43.3K
State Street0.0% · $49.5K
Vanguard0.0% · $735.6K

Holder count by quarter

Q1 2025 Q2 2025 Q3 2025 Q4 2025 Q1 2026

Who holds it

Notable only

Investor	Shares	Value	Est. mark	Change
Vanguard	1.32M	$735.6K	—	Held
SIMON QUICK ADVISORS, LLC	603.1K	$335.4K	—	Held
GEODE CAPITAL MANAGEMENT, LLC	523.1K	$291K	—	Held
BlackRock, Inc.	199.3K	$110.8K	—	Held
Creative Planning	136.1K	$75.7K	—	Held
HighTower Advisors, LLC	126.8K	$70.5K	—	Held
DDD Partners, LLC	120K	$66.7K	—	Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP	104.8K	$58.3K	—	Held
State Street	89K	$49.5K	—	Held
Rockefeller Capital Management L.P.	81.2K	$45.2K	—	Held
Renaissance Technologies	77.8K	$43.3K	—	Held
NORTHERN TRUST CORP	74K	$41.2K	—	Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	71.7K	$39.9K	—	Held
Disciplined Investments, LLC	55.9K	$31.1K	—	Held
Americana Partners, LLC	55K	$30.6K	—	Held
RAYMOND JAMES FINANCIAL INC	51.8K	$28.8K	—	Held
INTEGRITY ALLIANCE, LLC.	39.5K	$22K	—	Held
PREVAIL INNOVATIVE WEALTH ADVISORS, LLC	38.3K	$21.3K	—	Held
HIGHLAND CAPITAL MANAGEMENT, LLC	32.5K	$18K	—	Held
XTX Topco Ltd	29K	$16.1K	—	Held
TWO SIGMA SECURITIES, LLC	26.8K	$14.9K	—	Held
JANE STREET GROUP, LLC	23.8K	$13.3K	—	Held
Chicago Partners Investment Group LLC	18K	$12.5K	—	Held
WELLS FARGO & COMPANY/MN	21.1K	$11.7K	—	Held
Gleason Group, Inc.	18K	$10K	—	Held
Tower Research Capital LLC (TRC)	13.8K	$7.67K	—	Held
FLAX POND CAPITAL, LLC	13.5K	$7.54K	—	Held
SIMPLEX TRADING, LLC	7.21K	$4.01K	—	Held
DEUTSCHE BANK AG\	4K	$2.24K	—	Held
UBS Group AG	1.23K	$681	—	Held
BANK OF AMERICA CORP /DE/	907	$504	−$195	Cut−$532
Cambridge Investment Research Advisors, Inc.	443K	$246	—	Held
SBI Securities Co., Ltd.	103	$57	—	Held
TUCKER ASSET MANAGEMENT LLC	39	$22	—	New
Centerpoint Advisors, LLC	15.7K	$9	—	Held
HRT FINANCIAL LP	17.6K	$9	—	Held
Allworth Financial LP	6	$4	−$1	Cut−$1
CITIGROUP INC	1	$1	—	Held

Who left

BARCLAYS PLC$311

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.