Leonteq Securities AG’s Quantum-Si Incorporated QSI Stock Holding History

Leonteq Securities AG’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	$19.9K	Sell	22,500 -2,500	-10%	-$2.38K	﹤0.01%	956
2026 Q1	$19.4K	Hold	25,000	–	–	﹤0.01%	1001
2025 Q4	$27.5K	Hold	25,000	–	–	﹤0.01%	1047
2025 Q3	$35.3K	Hold	25,000	–	–	﹤0.01%	938
2025 Q2	$49K	Hold	25,000	–	–	﹤0.01%	852
2025 Q1	$30.1K	Buy	+25,000	New	+$47.9K	﹤0.01%	910
2024 Q3	–	Sell	-11,000	Closed	-$11.6K	–	1260
2024 Q2	$11.6K	Hold	11,000	–	–	﹤0.01%	962
2024 Q1	$21.7K	Sell	11,000 -300	-3%	-$524	﹤0.01%	913
2023 Q4	$22.7K	Buy	11,300 +3,800	+51%	+$5.79K	﹤0.01%	919
2023 Q3	$12.4K	Hold	7,500	–	–	﹤0.01%	991
2023 Q2	$13.4K	Hold	7,500	–	–	﹤0.01%	1004
2023 Q1	$13.2K	Hold	7,500	–	–	﹤0.01%	980
2022 Q4	$13.7K	Hold	7,500	–	–	﹤0.01%	1019
2022 Q3	$20.6K	Hold	7,500	–	–	﹤0.01%	954
2022 Q2	$17.4K	Hold	7,500	–	–	﹤0.01%	999
2022 Q1	$34K	Buy	+7,500	New	+$36.6K	﹤0.01%	941

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

Leonteq Securities AG's QSI Position: Q2 2026 in Review

Leonteq Securities AG reduced its Quantum-Si Incorporated (QSI) stake by 10% in Q2 2026, selling an estimated $2.38K and leaving 22,500 shares worth $19.9K. The position accounts for ﹤0.01% of the portfolio, ranked #956.

Leonteq Securities AG first reported a position in QSI in Q1 2022 and has held it in 16 quarters since. The position peaked at $49K in Q2 2025. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

Leonteq Securities AG held 22,500 shares of Quantum-Si Incorporated worth $19.9K as of Q2 2026.
Leonteq Securities AG sold 2,500 Quantum-Si Incorporated shares in Q2 2026, an estimated $2.38K.
Quantum-Si Incorporated made up ﹤0.01% of Leonteq Securities AG's portfolio in Q2 2026, its #956 holding.
Leonteq Securities AG first reported a position in Quantum-Si Incorporated in Q1 2022 and has held it in 16 quarters since.
Leonteq Securities AG's Quantum-Si Incorporated position peaked at $49K in Q2 2025.
141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Leonteq Securities AG's 13F filing for Q2 2026, filed 27 Jul 2026.