PS
QSI icon

Pinney & Scofield’s Quantum-Si Incorporated QSI Stock Holding History

Pinney & Scofield’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 		$3.26K Hold
3,680
– – ﹤0.01% 206
2026
Q1 		$2.85K Hold
3,680
– – ﹤0.01% 213
2025
Q4 		$4.05K Hold
3,680
– – ﹤0.01% 186
2025
Q3 		$5.19K Hold
3,680
– – ﹤0.01% 187
2025
Q2 		$7.21K Hold
3,680
– – ﹤0.01% 183
2025
Q1 		$4.42K Hold
3,680
– – ﹤0.01% 188
2024
Q4 		$9.94K Buy
+3,680
New +$4.31K 0.01% 171

Other funds holding QSI

Vanguard Capital Management
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
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
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

Pinney & Scofield's QSI Position: Q2 2026 in Review

Pinney & Scofield held its Quantum-Si Incorporated (QSI) position steady in Q2 2026 at 3,680 shares worth $3.26K. The position accounts for ﹤0.01% of the portfolio, ranked #206.

Pinney & Scofield first reported a position in QSI in Q4 2024 and has held it in 7 quarters since. The position peaked at $9.94K in Q4 2024. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Pinney & Scofield held 3,680 shares of Quantum-Si Incorporated worth $3.26K as of Q2 2026.
  • Pinney & Scofield left its Quantum-Si Incorporated share count unchanged in Q2 2026.
  • Quantum-Si Incorporated made up ﹤0.01% of Pinney & Scofield's portfolio in Q2 2026, its #206 holding.
  • Pinney & Scofield first reported a position in Quantum-Si Incorporated in Q4 2024 and has held it in 7 quarters since.
  • Pinney & Scofield's Quantum-Si Incorporated position peaked at $9.94K in Q4 2024.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Pinney & Scofield's 13F filing for Q2 2026, filed 7 Aug 2026.