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Clearstead Advisors’s Quantum-Si Incorporated QSI Stock Holding History

Clearstead Advisors’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 		$47 Buy
+53
New +$50 ﹤0.01% 3488
2022
Q4 		– Sell
-400
Closed -$1K – 1365
2022
Q3 		$1K Hold
400
– – ﹤0.01% 1184
2022
Q2 		$1K Hold
400
– – ﹤0.01% 1212
2022
Q1 		$2K Buy
+400
New +$1.95K ﹤0.01% 1229

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

Clearstead Advisors's QSI Position: Q2 2026 in Review

Clearstead Advisors opened a new position in Quantum-Si Incorporated (QSI) in Q2 2026: 53 shares worth $47. The stake represents ﹤0.01% of the portfolio and ranks #3488 among its holdings. This is a return to the name: Clearstead Advisors previously reported a position in QSI as recently as Q3 2022.

Clearstead Advisors first reported a position in QSI in Q1 2022 and has held it in 4 quarters since. The position peaked at $2K in Q1 2022. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • Clearstead Advisors held 53 shares of Quantum-Si Incorporated worth $47 as of Q2 2026.
  • Quantum-Si Incorporated was a new Clearstead Advisors position in Q2 2026.
  • Quantum-Si Incorporated made up ﹤0.01% of Clearstead Advisors's portfolio in Q2 2026, its #3488 holding.
  • Clearstead Advisors first reported a position in Quantum-Si Incorporated in Q1 2022 and has held it in 4 quarters since.
  • Clearstead Advisors's Quantum-Si Incorporated position peaked at $2K in Q1 2022.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on Clearstead Advisors's 13F filing for Q2 2026, filed 6 Aug 2026.