Morgan Stanley
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Morgan Stanley’s Quantum-Si Incorporated QSI Stock Holding History

Morgan Stanley’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
Q1 		$101K Sell
129,940
-270,054
-68% -$280K ﹤0.01% 6160
2025
Q4 		$440K Buy
399,994
+128,994
+48% +$210K ﹤0.01% 5573
2025
Q3 		$382K Sell
271,000
-18,913
-7% -$27.3K ﹤0.01% 5619
2025
Q2 		$568K Buy
289,913
+2,425
+0.8% +$3.59K ﹤0.01% 5408
2025
Q1 		$345K Sell
287,488
-3,192,980
-92% -$6.12M ﹤0.01% 5500
2024
Q4 		$9.4M Buy
3,480,468
+3,174,221
+1,036% +$3.72M ﹤0.01% 3461
2024
Q3 		$270K Buy
306,247
+135,712
+80% +$132K ﹤0.01% 5637
2024
Q2 		$179K Sell
170,535
-57,132
-25% -$91.6K ﹤0.01% 5732
2024
Q1 		$449K Sell
227,667
-258,883
-53% -$452K ﹤0.01% 5360
2023
Q4 		$978K Buy
486,550
+215,483
+79% +$328K ﹤0.01% 5307
2023
Q3 		$450K Buy
271,067
+7,970
+3% +$19.2K ﹤0.01% 5218
2023
Q2 		$471K Sell
263,097
-437
-0.2% -$685 ﹤0.01% 5246
2023
Q1 		$464K Buy
263,534
+118,774
+82% +$234K ﹤0.01% 5300
2022
Q4 		$265K Buy
144,760
+37,004
+34% +$95.3K ﹤0.01% 5553
2022
Q3 		$297K Buy
107,756
+12,354
+13% +$39.5K ﹤0.01% 5535
2022
Q2 		$221K Sell
95,402
-7,620
-7% -$29.2K ﹤0.01% 5850
2022
Q1 		$481K Buy
103,022
+18,486
+22% +$90.1K ﹤0.01% 5425
2021
Q4 		$665K Buy
84,536
+5,128
+6% +$38.6K ﹤0.01% 5379
2021
Q3 		$662K Buy
79,408
+15,781
+25% +$155K ﹤0.01% 5326
2021
Q2 		$780K Buy
63,627
+57,052
+868% +$598K ﹤0.01% 5230
2021
Q1 		$78K Buy
+6,575
New +$79.5K ﹤0.01% 6143

Other funds holding QSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley's QSI Position: Q1 2026 in Review

Morgan Stanley reduced its Quantum-Si Incorporated (QSI) stake by 68% in Q1 2026, selling an estimated $280K and leaving 129,940 shares worth $101K. The position accounts for ﹤0.01% of the portfolio, ranked #6160.

Morgan Stanley first reported a position in QSI in Q1 2021 and has held it in 21 quarters since. The position peaked at $9.4M in Q4 2024. 156 funds tracked by Wall St. Rank hold QSI as of Q1 2026.

  • Morgan Stanley held 129,940 shares of Quantum-Si Incorporated worth $101K as of Q1 2026.
  • Morgan Stanley sold 270,054 Quantum-Si Incorporated shares in Q1 2026, an estimated $280K.
  • Quantum-Si Incorporated made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #6160 holding.
  • Morgan Stanley first reported a position in Quantum-Si Incorporated in Q1 2021 and has held it in 21 quarters since.
  • Morgan Stanley's Quantum-Si Incorporated position peaked at $9.4M in Q4 2024.
  • 156 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.