Medallion Wealth Advisors’s Quantum-Si Incorporated QSI Stock Holding History

Medallion Wealth Advisors’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	$213	Sell	242 -228	-49%	-$217	﹤0.01%	1069
2026 Q1	$363	Hold	470	–	–	﹤0.01%	1089
2025 Q4	$517	Buy	470 +228	+94%	+$371	﹤0.01%	1077
2025 Q3	$341	Hold	242	–	–	﹤0.01%	1071
2025 Q2	$460	Sell	242 -19	-7%	-$28	﹤0.01%	1053
2025 Q1	$314	Buy	261 +5	+2%	+$10	﹤0.01%	1035
2024 Q4	$692	Buy	+256	New	+$300	﹤0.01%	956

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

Medallion Wealth Advisors's QSI Position: Q2 2026 in Review

Medallion Wealth Advisors reduced its Quantum-Si Incorporated (QSI) stake by 49% in Q2 2026, selling an estimated $217 and leaving 242 shares worth $213. The position accounts for ﹤0.01% of the portfolio, ranked #1069.

Medallion Wealth Advisors first reported a position in QSI in Q4 2024 and has held it in 7 quarters since. The position peaked at $692 in Q4 2024. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

Medallion Wealth Advisors held 242 shares of Quantum-Si Incorporated worth $213 as of Q2 2026.
Medallion Wealth Advisors sold 228 Quantum-Si Incorporated shares in Q2 2026, an estimated $217.
Quantum-Si Incorporated made up ﹤0.01% of Medallion Wealth Advisors's portfolio in Q2 2026, its #1069 holding.
Medallion Wealth Advisors first reported a position in Quantum-Si Incorporated in Q4 2024 and has held it in 7 quarters since.
Medallion Wealth Advisors's Quantum-Si Incorporated position peaked at $692 in Q4 2024.
141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Medallion Wealth Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.