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Essential Partners’s Quantum-Si Incorporated QSI Stock Holding History

Essential Partners’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 		$2.74K Sell
3,094
-12,342
-80% -$11.8K ﹤0.01% 1838
2026
Q1 		$11.9K Buy
+15,436
New +$16K ﹤0.01% 1166

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

Essential Partners's QSI Position: Q2 2026 in Review

Essential Partners reduced its Quantum-Si Incorporated (QSI) stake by 80% in Q2 2026, selling an estimated $11.8K and leaving 3,094 shares worth $2.74K. The position accounts for ﹤0.01% of the portfolio, ranked #1838.

Essential Partners first reported a position in QSI in Q1 2026 and has held it in 2 quarters since. The position peaked at $11.9K in Q1 2026. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Essential Partners held 3,094 shares of Quantum-Si Incorporated worth $2.74K as of Q2 2026.
  • Essential Partners sold 12,342 Quantum-Si Incorporated shares in Q2 2026, an estimated $11.8K.
  • Quantum-Si Incorporated made up ﹤0.01% of Essential Partners's portfolio in Q2 2026, its #1838 holding.
  • Essential Partners first reported a position in Quantum-Si Incorporated in Q1 2026 and has held it in 2 quarters since.
  • Essential Partners's Quantum-Si Incorporated position peaked at $11.9K in Q1 2026.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Essential Partners's 13F filing for Q2 2026, filed 10 Aug 2026.