Squarepoint
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Squarepoint’s Quantum-Si Incorporated QSI Stock Holding History

Squarepoint’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
2025
Q4 		– Sell
-613,475
Closed -$865K – 4768
2025
Q3 		$865K Buy
+613,475
New +$887K ﹤0.01% 2806
2024
Q1 		– Sell
-17,515
Closed -$35.2K – 4500
2023
Q4 		$35.2K Buy
+17,515
New +$26.7K ﹤0.01% 3879
2023
Q1 		– Sell
-96,442
Closed -$176K – 3703
2022
Q4 		$176K Buy
+96,442
New +$248K ﹤0.01% 2827
2022
Q2 		– Sell
-95,080
Closed -$445K – 3276
2022
Q1 		$445K Buy
95,080
+74,508
+362% +$363K ﹤0.01% 2074
2021
Q4 		$162K Buy
+20,572
New +$155K ﹤0.01% 2786

Other funds holding QSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Squarepoint's QSI Position: Q4 2025 in Review

Squarepoint sold out of Quantum-Si Incorporated (QSI) in Q4 2025, closing a stake of 613,475 shares — an estimated $865K sold.

Squarepoint first reported a position in QSI in Q4 2021 and held it in 5 quarters. The position peaked at $865K in Q3 2025. 135 funds tracked by Wall St. Rank hold QSI as of Q4 2025.

  • Squarepoint reported no remaining Quantum-Si Incorporated position as of Q4 2025 after selling out during the quarter.
  • Squarepoint sold 613,475 Quantum-Si Incorporated shares in Q4 2025, an estimated $865K.
  • Squarepoint first reported a position in Quantum-Si Incorporated in Q4 2021 and held it in 5 quarters.
  • Squarepoint's Quantum-Si Incorporated position peaked at $865K in Q3 2025.
  • 135 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q4 2025.

Based on Squarepoint's 13F filing for Q4 2025, filed 13 Feb 2026.