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

Ameriprise’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
Q3 		– Sell
-223,100
Closed -$437K – 4165
2025
Q2 		$437K Buy
+223,100
New +$330K ﹤0.01% 3573
2024
Q4 		– Sell
-123,757
Closed -$109K – 4150
2024
Q3 		$109K Sell
123,757
-2,000
-2% -$1.94K ﹤0.01% 3831
2024
Q2 		$132K Buy
125,757
+82,157
+188% +$132K ﹤0.01% 3745
2024
Q1 		$85.9K Buy
43,600
+29,300
+205% +$51.2K ﹤0.01% 3786
2023
Q4 		$28.7K Sell
14,300
-9,444
-40% -$14.4K ﹤0.01% 3865
2023
Q3 		$39.4K Buy
+23,744
New +$57.2K ﹤0.01% 3846

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
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 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
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Ameriprise's QSI Position: Q3 2025 in Review

Ameriprise sold out of Quantum-Si Incorporated (QSI) in Q3 2025, closing a stake of 223,100 shares — an estimated $437K sold.

Ameriprise first reported a position in QSI in Q3 2023 and held it in 6 quarters. The position peaked at $437K in Q2 2025. 125 funds tracked by Wall St. Rank hold QSI as of Q3 2025.

  • Ameriprise reported no remaining Quantum-Si Incorporated position as of Q3 2025 after selling out during the quarter.
  • Ameriprise sold 223,100 Quantum-Si Incorporated shares in Q3 2025, an estimated $437K.
  • Ameriprise first reported a position in Quantum-Si Incorporated in Q3 2023 and held it in 6 quarters.
  • Ameriprise's Quantum-Si Incorporated position peaked at $437K in Q2 2025.
  • 125 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q3 2025.

Based on Ameriprise's 13F filing for Q3 2025, filed 14 Nov 2025.