Bridgeway Capital Management’s Quantum-Si Incorporated QSI Stock Holding History

Bridgeway Capital Management’s Portfolio QSI Stock Details QSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$182K	Sell	206,100 -55,000	-21%	-$52.4K	﹤0.01%	1075
2026 Q1	$202K	Hold	261,100	–	–	﹤0.01%	1034
2025 Q4	$287K	Hold	261,100	–	–	0.01%	943
2025 Q3	$368K	Buy	261,100 +65,000	+33%	+$94K	0.01%	867
2025 Q2	$384K	Hold	196,100	–	–	0.01%	817
2025 Q1	$235K	Sell	196,100 -100,000	-34%	-$192K	0.01%	889
2024 Q4	$799K	Sell	296,100 -110,600	-27%	-$130K	0.02%	713
2024 Q3	$359K	Hold	406,700	–	–	0.01%	938
2024 Q2	$427K	Hold	406,700	–	–	0.01%	893
2024 Q1	$801K	Hold	406,700	–	–	0.02%	800
2023 Q4	$817K	Buy	406,700 +50,000	+14%	+$76.2K	0.02%	808
2023 Q3	$592K	Hold	356,700	–	–	0.01%	834
2023 Q2	$638K	Buy	356,700 +50,000	+16%	+$78.3K	0.02%	845
2023 Q1	$540K	Buy	+306,700	New	+$605K	0.01%	866

Other funds holding QSI

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

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

NAMA

Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

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

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Bridgeway Capital Management's QSI Position: Q2 2026 in Review

Bridgeway Capital Management reduced its Quantum-Si Incorporated (QSI) stake by 21% in Q2 2026, selling an estimated $52.4K and leaving 206,100 shares worth $182K. The position accounts for ﹤0.01% of the portfolio, ranked #1075.

Bridgeway Capital Management first reported a position in QSI in Q1 2023 and has held it in 14 quarters since. The position peaked at $817K in Q4 2023. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

Bridgeway Capital Management held 206,100 shares of Quantum-Si Incorporated worth $182K as of Q2 2026.
Bridgeway Capital Management sold 55,000 Quantum-Si Incorporated shares in Q2 2026, an estimated $52.4K.
Quantum-Si Incorporated made up ﹤0.01% of Bridgeway Capital Management's portfolio in Q2 2026, its #1075 holding.
Bridgeway Capital Management first reported a position in Quantum-Si Incorporated in Q1 2023 and has held it in 14 quarters since.
Bridgeway Capital Management's Quantum-Si Incorporated position peaked at $817K in Q4 2023.
141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Bridgeway Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.