Jim Simons’s ClearSign Technologies CLIR Stock Holding History

Jim Simons’s Portfolio CLIR Stock Details CLIR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-7,780	Closed	-$43.3K	–	3307
2025 Q4	$43.3K	Buy	7,780 +3,677	+90%	+$29.3K	﹤0.01%	3098
2025 Q3	$31.6K	Sell	4,103 -1,697	-29%	-$9.96K	﹤0.01%	3397
2025 Q2	$32.5K	Sell	5,800 -1,702	-23%	-$10.3K	﹤0.01%	3435
2025 Q1	$56.3K	Buy	7,502 +1,652	+28%	+$16.5K	﹤0.01%	3279
2024 Q4	$84.2K	Buy	+5,850	New	+$57.8K	﹤0.01%	3310
2023 Q4	–	Sell	-2,120	Closed	-$23K	–	3779
2023 Q3	$23K	Sell	2,120 -805	-28%	-$9.31K	﹤0.01%	3509
2023 Q2	$38K	Buy	+2,925	New	+$34.4K	﹤0.01%	3663
2021 Q2	–	Sell	-4,660	Closed	-$265K	–	3489
2021 Q1	$265K	Buy	+4,660	New	+$204K	﹤0.01%	3089

Other funds holding CLIR

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

SQA

Simon Quick Advisors Morristown, New Jersey $2.48B AUM 21.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Cambridge Investment Research Advisors Fairfield, Iowa $44.6B AUM 28.94% 1-Year Est. Return

BPA

Beacon Pointe Advisors Newport Beach, California $18.9B AUM 18.9% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return

Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return

DDD Partners Bellevue, Washington $1.6B AUM 17.6% 1-Year Est. Return

Jim Simons's CLIR Position: Q1 2026 in Review

Jim Simons sold out of ClearSign Technologies (CLIR) in Q1 2026, closing a stake of 7,780 shares — an estimated $43.3K sold.

Jim Simons first reported a position in CLIR in Q1 2021 and held it in 8 quarters. The position peaked at $265K in Q1 2021. 20 funds tracked by Wall St. Rank hold CLIR as of Q1 2026.

Jim Simons reported no remaining ClearSign Technologies position as of Q1 2026 after selling out during the quarter.
Jim Simons sold 7,780 ClearSign Technologies shares in Q1 2026, an estimated $43.3K.
Jim Simons first reported a position in ClearSign Technologies in Q1 2021 and held it in 8 quarters.
Jim Simons's ClearSign Technologies position peaked at $265K in Q1 2021.
20 funds tracked by Wall St. Rank held ClearSign Technologies as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.