Russell Investments Group
QSI icon

Russell Investments Group’s Quantum-Si Incorporated QSI Stock Holding History

Russell Investments Group’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 		$6.68K Sell
7,551
-4,297
-36% -$4.09K ﹤0.01% 4001
2026
Q1 		$9.17K Sell
11,848
-15,045
-56% -$15.6K ﹤0.01% 3806
2025
Q4 		$29.6K Sell
26,893
-5,113
-16% -$8.32K ﹤0.01% 3489
2025
Q3 		$45.1K Buy
32,006
+2,105
+7% +$3.04K ﹤0.01% 3334
2025
Q2 		$58.6K Sell
29,901
-8,356
-22% -$12.4K ﹤0.01% 2943
2025
Q1 		$45.9K Buy
38,257
+29,204
+323% +$56K ﹤0.01% 2931
2024
Q4 		$24.4K Buy
9,053
+8,260
+1,042% +$9.68K ﹤0.01% 2967
2024
Q3 		$700 Sell
793
-2,441
-75% -$2.37K ﹤0.01% 3527
2024
Q2 		$3.4K Buy
3,234
+3,091
+2,162% +$4.96K ﹤0.01% 3287
2024
Q1 		$282 Buy
+143
New +$250 ﹤0.01% 3261
2023
Q4 		– Sell
-311
Closed -$516 – 3290
2023
Q3 		$516 Buy
+311
New +$749 ﹤0.01% 3405

Other funds holding QSI

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
ARK Investment Management
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Nikko Asset Management Americas
Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Russell Investments Group's QSI Position: Q2 2026 in Review

Russell Investments Group reduced its Quantum-Si Incorporated (QSI) stake by 36% in Q2 2026, selling an estimated $4.09K and leaving 7,551 shares worth $6.68K. The position accounts for ﹤0.01% of the portfolio, ranked #4001.

Russell Investments Group first reported a position in QSI in Q3 2023 and has held it in 11 quarters since. The position peaked at $58.6K in Q2 2025. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Russell Investments Group held 7,551 shares of Quantum-Si Incorporated worth $6.68K as of Q2 2026.
  • Russell Investments Group sold 4,297 Quantum-Si Incorporated shares in Q2 2026, an estimated $4.09K.
  • Quantum-Si Incorporated made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #4001 holding.
  • Russell Investments Group first reported a position in Quantum-Si Incorporated in Q3 2023 and has held it in 11 quarters since.
  • Russell Investments Group's Quantum-Si Incorporated position peaked at $58.6K in Q2 2025.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.