Jane Street’s ClearSign Technologies CLIR Stock Holding History

Jane Street’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	-2,383	Closed	-$13.3K	–	11737
2025 Q4	$13.3K	Buy	2,383 +1,061	+80%	+$8.44K	﹤0.01%	10799
2025 Q3	$10.2K	Buy	+1,322	New	+$7.76K	﹤0.01%	10577
2024 Q3	–	Sell	-1,826	Closed	-$15.2K	–	9639
2024 Q2	$15.2K	Buy	+1,826	New	+$15.1K	﹤0.01%	9064
2024 Q1	–	Sell	-3,993	Closed	-$44.3K	–	9267
2023 Q4	$44.3K	Buy	+3,993	New	+$41.6K	﹤0.01%	8800
2023 Q1	–	Sell	-1,308	Closed	-$7.01K	–	9121
2022 Q4	$7.01K	Buy	1,308 +170	+15%	+$1.19K	﹤0.01%	8814
2022 Q3	$10K	Buy	+1,138	New	+$12.1K	﹤0.01%	9345
2021 Q2	–	Sell	-1,447	Closed	-$82K	–	9822
2021 Q1	$82K	Buy	+1,447	New	+$63.4K	﹤0.01%	8702
2018 Q4	–	Sell	-1,096	Closed	-$18K	–	5003
2018 Q3	$18K	Sell	1,096 -6	-0.5%	-$116	﹤0.01%	4976
2018 Q2	$22K	Buy	+1,102	New	+$21.4K	﹤0.01%	4862

Other funds holding CLIR

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SQA

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 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 $21.5B AUM 23.65% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

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

HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

Creative Planning Overland Park, Kansas $171B AUM 24.68% 1-Year Est. Return

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

Jane Street's CLIR Position: Q1 2026 in Review

Jane Street sold out of ClearSign Technologies (CLIR) in Q1 2026, closing a stake of 2,383 shares — an estimated $13.3K sold.

Jane Street first reported a position in CLIR in Q2 2018 and held it in 9 quarters. The position peaked at $82K in Q1 2021. 20 funds tracked by Wall St. Rank hold CLIR as of Q1 2026.

Jane Street reported no remaining ClearSign Technologies position as of Q1 2026 after selling out during the quarter.
Jane Street sold 2,383 ClearSign Technologies shares in Q1 2026, an estimated $13.3K.
Jane Street first reported a position in ClearSign Technologies in Q2 2018 and held it in 9 quarters.
Jane Street's ClearSign Technologies position peaked at $82K in Q1 2021.
20 funds tracked by Wall St. Rank held ClearSign Technologies as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.