GSA Capital Partners’s Quantum-Si Incorporated QSI Stock Holding History

GSA Capital Partners’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	$53K	Buy	+60,011	New	+$57.1K	﹤0.01%	1657
2025 Q3	–	Sell	-284,363	Closed	-$557K	–	2016
2025 Q2	$557K	Buy	284,363 +38,171	+16%	+$56.5K	0.04%	852
2025 Q1	$295K	Sell	246,192 -128,086	-34%	-$245K	0.03%	1169
2024 Q4	$1.01M	Buy	374,278 +261,961	+233%	+$307K	0.07%	396
2024 Q3	$99K	Sell	112,317 -69,960	-38%	-$67.9K	0.01%	1490
2024 Q2	$191K	Buy	+182,277	New	+$292K	0.01%	1466
2023 Q2	–	Sell	-167,948	Closed	-$296K	–	1866
2023 Q1	$296K	Buy	167,948 +151,235	+905%	+$298K	0.03%	1037
2022 Q4	$31K	Sell	16,713 -28,029	-63%	-$72.2K	﹤0.01%	1381
2022 Q3	$123K	Buy	+44,742	New	+$143K	0.02%	1332

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

GSA Capital Partners's QSI Position: Q2 2026 in Review

GSA Capital Partners opened a new position in Quantum-Si Incorporated (QSI) in Q2 2026: 60,011 shares worth $53K. The stake represents ﹤0.01% of the portfolio and ranks #1657 among its holdings. This is a return to the name: GSA Capital Partners previously reported a position in QSI as recently as Q2 2025.

GSA Capital Partners first reported a position in QSI in Q3 2022 and has held it in 9 quarters since. The position peaked at $1.01M in Q4 2024. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

GSA Capital Partners held 60,011 shares of Quantum-Si Incorporated worth $53K as of Q2 2026.
Quantum-Si Incorporated was a new GSA Capital Partners position in Q2 2026.
Quantum-Si Incorporated made up ﹤0.01% of GSA Capital Partners's portfolio in Q2 2026, its #1657 holding.
GSA Capital Partners first reported a position in Quantum-Si Incorporated in Q3 2022 and has held it in 9 quarters since.
GSA Capital Partners's Quantum-Si Incorporated position peaked at $1.01M in Q4 2024.
141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on GSA Capital Partners's 13F filing for Q2 2026, filed 6 Aug 2026.