Susquehanna International Group’s Quantum-Si Incorporated QSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.13M Sell
1,464,568
-863,217
-37% -$894K ﹤0.01% 7556
2025
Q4
$2.56M Buy
2,327,785
+286,690
+14% +$467K ﹤0.01% 5159
2025
Q3
$2.88M Buy
2,041,095
+1,055,011
+107% +$1.53M ﹤0.01% 5055
2025
Q2
$1.93M Buy
986,084
+189,154
+24% +$280K ﹤0.01% 5854
2025
Q1
$956K Sell
796,930
-205,943
-21% -$395K ﹤0.01% 7367
2024
Q4
$2.71M Buy
1,002,873
+958,844
+2,178% +$1.12M ﹤0.01% 4667
2024
Q3
$38.8K Sell
44,029
-91,059
-67% -$88.4K ﹤0.01% 11470
2024
Q2
$142K Buy
135,088
+109,662
+431% +$176K ﹤0.01% 10752
2024
Q1
$50.1K Sell
25,426
-81,019
-76% -$142K ﹤0.01% 11561
2023
Q4
$214K Sell
106,445
-13,851
-12% -$21.1K ﹤0.01% 10545
2023
Q3
$200K Buy
120,296
+27,114
+29% +$65.3K ﹤0.01% 10232
2023
Q2
$167K Sell
93,182
-5,867
-6% -$9.19K ﹤0.01% 10460
2023
Q1
$174K Sell
99,049
-19,780
-17% -$39K ﹤0.01% 10763
2022
Q4
$217K Buy
118,829
+38,068
+47% +$98.1K ﹤0.01% 9920
2022
Q3
$222K Sell
80,761
-210,001
-72% -$671K ﹤0.01% 10571
2022
Q2
$675K Sell
290,762
-160,088
-36% -$613K ﹤0.01% 7522
2022
Q1
$2.11M Buy
450,850
+340,252
+308% +$1.66M ﹤0.01% 5360
2021
Q4
$870K Sell
110,598
-48,470
-30% -$365K ﹤0.01% 7654
2021
Q3
$1.33M Buy
159,068
+23,565
+17% +$232K ﹤0.01% 6815
2021
Q2
$1.66M Buy
135,503
+77,241
+133% +$809K ﹤0.01% 6358
2021
Q1
$694K Buy
+58,262
New +$704K ﹤0.01% 8677

Other funds holding QSI

Susquehanna International Group's QSI Position: Q1 2026 in Review

Susquehanna International Group reduced its Quantum-Si Incorporated (QSI) stake by 37% in Q1 2026, selling an estimated $894K and leaving 1,464,568 shares worth $1.13M. The position accounts for ﹤0.01% of the portfolio, ranked #7556.

Susquehanna International Group first reported a position in QSI in Q1 2021 and has held it in 21 quarters since. The position peaked at $2.88M in Q3 2025. 157 funds tracked by Wall St. Rank hold QSI as of Q1 2026.

  • Susquehanna International Group held 1,464,568 shares of Quantum-Si Incorporated worth $1.13M as of Q1 2026.
  • Susquehanna International Group sold 863,217 Quantum-Si Incorporated shares in Q1 2026, an estimated $894K.
  • Quantum-Si Incorporated made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #7556 holding.
  • Susquehanna International Group first reported a position in Quantum-Si Incorporated in Q1 2021 and has held it in 21 quarters since.
  • Susquehanna International Group's Quantum-Si Incorporated position peaked at $2.88M in Q3 2025.
  • 157 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.