Ken Griffin
CLIR icon

Ken Griffin’s ClearSign Technologies CLIR Stock Holding History

Ken Griffin’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
2025
Q2 		– Sell
-600
Closed -$4.5K – 12789
2025
Q1 		$4.5K Buy
+600
New +$5.99K ﹤0.01% 13887
2024
Q2 		– Sell
-9,210
Closed -$88.9K – 14365
2024
Q1 		$88.9K Buy
9,210
+8,850
+2,458% +$94.2K ﹤0.01% 11509
2023
Q4 		$4K Sell
360
-2,470
-87% -$25.8K ﹤0.01% 13539
2023
Q3 		$30.8K Sell
2,830
-830
-23% -$9.6K ﹤0.01% 12254
2023
Q2 		$47.9K Buy
3,660
+3,610
+7,220% +$42.5K ﹤0.01% 11851
2023
Q1 		$399 Buy
+50
New +$380 ﹤0.01% 14502
2022
Q1 		– Sell
-1,190
Closed -$16K – 13680
2021
Q4 		$16K Buy
+1,190
New +$19.7K ﹤0.01% 13616
2021
Q3 		– Sell
-3,850
Closed -$185K – 13860
2021
Q2 		$185K Sell
3,850
-1,820
-32% -$86.1K ﹤0.01% 12247
2021
Q1 		$322K Buy
5,670
+3,600
+174% +$158K ﹤0.01% 10681
2020
Q4 		$61K Sell
2,070
-2,030
-50% -$52.8K ﹤0.01% 10491
2020
Q3 		$93K Buy
4,100
+110
+3% +$2.52K ﹤0.01% 9305
2020
Q2 		$83K Buy
3,990
+140
+4% +$1.33K ﹤0.01% 9089
2020
Q1 		$28K Buy
3,850
+1,950
+103% +$15.9K ﹤0.01% 9208
2019
Q4 		$14K Buy
+1,900
New +$18.5K ﹤0.01% 8982
2018
Q3 		– Sell
-1,300
Closed -$26K – 9243
2018
Q2 		$26K Buy
+1,300
New +$25.2K ﹤0.01% 8589
2017
Q1 		– Sell
-1,030
Closed -$35K – 7479
2016
Q4 		$35K Sell
1,030
-820
-44% -$37.8K ﹤0.01% 6948
2016
Q3 		$111K Buy
1,850
+370
+25% +$18.4K ﹤0.01% 6609
2016
Q2 		$74K Buy
+1,480
New +$65.2K ﹤0.01% 6308

Other funds holding CLIR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SQA
Simon Quick Advisors Morristown, New Jersey $2.48B AUM 21.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $44.6B AUM 28.94% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $171B AUM 24.68% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return
DP
DDD Partners Bellevue, Washington $1.6B AUM 17.6% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Ken Griffin's CLIR Position: Q4 2025 in Review

Ken Griffin sold out of ClearSign Technologies (CLIR) in Q4 2025, closing a stake of 2,671 shares — an estimated $20.6K sold.

Ken Griffin first reported a position in CLIR in Q3 2016 and held it in 24 quarters. The position peaked at $106K in Q3 2016. 37 funds tracked by Wall St. Rank hold CLIR as of Q4 2025.

  • Ken Griffin reported no remaining ClearSign Technologies position as of Q4 2025 after selling out during the quarter.
  • Ken Griffin sold 2,671 ClearSign Technologies shares in Q4 2025, an estimated $20.6K.
  • Ken Griffin first reported a position in ClearSign Technologies in Q3 2016 and held it in 24 quarters.
  • Ken Griffin's ClearSign Technologies position peaked at $106K in Q3 2016.
  • 37 funds tracked by Wall St. Rank held ClearSign Technologies as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.