Procyon Advisors’s Quantum-Si Incorporated QSI Stock Holding History

Procyon 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	$12.1K	Hold	13,671	–	–	﹤0.01%	584
2026 Q1	$10.6K	Hold	13,671	–	–	﹤0.01%	582
2025 Q4	$15K	Hold	13,671	–	–	﹤0.01%	560
2025 Q3	$19.3K	Hold	13,671	–	–	﹤0.01%	505
2025 Q2	$26.8K	Hold	13,671	–	–	﹤0.01%	463
2025 Q1	$16.4K	Hold	13,671	–	–	﹤0.01%	593
2024 Q4	$36.9K	Hold	13,671	–	–	﹤0.01%	545
2024 Q3	$12.1K	Hold	13,671	–	–	﹤0.01%	546
2024 Q2	$14.4K	Hold	13,671	–	–	﹤0.01%	518
2024 Q1	$26.9K	Hold	13,671	–	–	﹤0.01%	506
2023 Q4	$27.5K	Hold	13,671	–	–	﹤0.01%	502
2023 Q3	$22.7K	Hold	13,671	–	–	﹤0.01%	478
2023 Q2	$24.5K	Hold	13,671	–	–	﹤0.01%	444
2023 Q1	$24.1K	Hold	13,671	–	–	﹤0.01%	388
2022 Q4	$25K	Hold	13,671	–	–	﹤0.01%	362
2022 Q3	$38K	Hold	13,671	–	–	0.01%	308
2022 Q2	$32K	Hold	13,671	–	–	0.01%	318
2022 Q1	$64K	Hold	13,671	–	–	0.01%	332
2021 Q4	$108K	Sell	13,671 -40	-0.3%	-$301	0.02%	322
2021 Q3	$114K	Buy	+13,711	New	+$135K	0.03%	312

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

Procyon Advisors's QSI Position: Q2 2026 in Review

Procyon Advisors held its Quantum-Si Incorporated (QSI) position steady in Q2 2026 at 13,671 shares worth $12.1K. The position accounts for ﹤0.01% of the portfolio, ranked #584.

Procyon Advisors first reported a position in QSI in Q3 2021 and has held it in 20 quarters since. The position peaked at $114K in Q3 2021. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

Procyon Advisors held 13,671 shares of Quantum-Si Incorporated worth $12.1K as of Q2 2026.
Procyon Advisors left its Quantum-Si Incorporated share count unchanged in Q2 2026.
Quantum-Si Incorporated made up ﹤0.01% of Procyon Advisors's portfolio in Q2 2026, its #584 holding.
Procyon Advisors first reported a position in Quantum-Si Incorporated in Q3 2021 and has held it in 20 quarters since.
Procyon Advisors's Quantum-Si Incorporated position peaked at $114K in Q3 2021.
141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Procyon Advisors's 13F filing for Q2 2026, filed 9 Jul 2026.