Cliff Asness’s Quantum-Si Incorporated QSI Stock Holding History

Cliff Asness’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	$2.08M	Sell	2,348,665 -43,514	-2%	-$41.4K	﹤0.01%	2595
2026 Q1	$1.85M	Buy	2,392,179 +2,305,490	+2,659%	+$2.39M	﹤0.01%	2402
2025 Q4	$95.4K	Buy	86,689 +2,865	+3%	+$4.66K	﹤0.01%	3465
2025 Q3	$118K	Sell	83,824 -37,879	-31%	-$54.8K	﹤0.01%	3346
2025 Q2	$239K	Buy	121,703 +25,661	+27%	+$38K	﹤0.01%	2972
2025 Q1	$115K	Sell	96,042 -6,356	-6%	-$12.2K	﹤0.01%	2989
2024 Q4	$276K	Buy	102,398 +76,504	+295%	+$89.7K	﹤0.01%	2530
2024 Q3	$22.8K	Buy	+25,894	New	+$25.1K	﹤0.01%	2734
2022 Q3	–	Sell	-14,364	Closed	-$33K	–	2296
2022 Q2	$33K	Sell	14,364 -2,070	-13%	-$7.93K	﹤0.01%	2149
2022 Q1	$77K	Buy	+16,434	New	+$80.1K	﹤0.01%	2158

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

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

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Cliff Asness's QSI Position: Q2 2026 in Review

Cliff Asness reduced its Quantum-Si Incorporated (QSI) stake by 1.8% in Q2 2026, selling an estimated $41.4K and leaving 2,348,665 shares worth $2.08M. The position accounts for ﹤0.01% of the portfolio, ranked #2595.

Cliff Asness first reported a position in QSI in Q1 2022 and has held it in 10 quarters since. 140 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

Cliff Asness held 2,348,665 shares of Quantum-Si Incorporated worth $2.08M as of Q2 2026.
Cliff Asness sold 43,514 Quantum-Si Incorporated shares in Q2 2026, an estimated $41.4K.
Quantum-Si Incorporated made up ﹤0.01% of Cliff Asness's portfolio in Q2 2026, its #2595 holding.
Cliff Asness first reported a position in Quantum-Si Incorporated in Q1 2022 and has held it in 10 quarters since.
140 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

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