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

ProShare 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 		– Sell
-33,239
Closed -$25.7K – 2002
2026
Q1 		$25.7K Sell
33,239
-4,102
-11% -$4.25K ﹤0.01% 1832
2025
Q4 		$41.1K Buy
37,341
+10,481
+39% +$17.1K ﹤0.01% 1974
2025
Q3 		$37.9K Sell
26,860
-2,064
-7% -$2.98K ﹤0.01% 1955
2025
Q2 		$56.7K Buy
28,924
+2,908
+11% +$4.3K ﹤0.01% 1978
2025
Q1 		$31.2K Sell
26,016
-2,188
-8% -$4.19K ﹤0.01% 2000
2024
Q4 		$76.2K Buy
28,204
+9,280
+49% +$10.9K ﹤0.01% 2117
2024
Q3 		$16.7K Sell
18,924
-8,332
-31% -$8.09K ﹤0.01% 2051
2024
Q2 		$28.6K Buy
27,256
+8,976
+49% +$14.4K ﹤0.01% 1788
2024
Q1 		$36K Buy
18,280
+1,440
+9% +$2.52K ﹤0.01% 1944
2023
Q4 		$33.8K Sell
16,840
-4,339
-20% -$6.61K ﹤0.01% 1895
2023
Q3 		$35.2K Buy
21,179
+249
+1% +$600 ﹤0.01% 1748
2023
Q2 		$37.5K Buy
20,930
+1,868
+10% +$2.93K ﹤0.01% 1798
2023
Q1 		$33.5K Sell
19,062
-2,606
-12% -$5.14K ﹤0.01% 1708
2022
Q4 		$39.7K Buy
21,668
+1,555
+8% +$4.01K ﹤0.01% 1760
2022
Q3 		$56K Buy
20,113
+582
+3% +$1.86K ﹤0.01% 1652
2022
Q2 		$46K Buy
19,531
+7,373
+61% +$28.2K ﹤0.01% 1709
2022
Q1 		$57K Sell
12,158
-4,385
-27% -$21.4K ﹤0.01% 2106
2021
Q4 		$130K Buy
+16,543
New +$125K ﹤0.01% 2157

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

ProShare Advisors's QSI Position: Q2 2026 in Review

ProShare Advisors sold out of Quantum-Si Incorporated (QSI) in Q2 2026, closing a stake of 33,239 shares — an estimated $25.7K sold.

ProShare Advisors first reported a position in QSI in Q4 2021 and held it in 18 quarters. The position peaked at $130K in Q4 2021. 141 funds tracked by Wall St. Rank hold QSI as of Q2 2026.

  • ProShare Advisors reported no remaining Quantum-Si Incorporated position as of Q2 2026 after selling out during the quarter.
  • ProShare Advisors sold 33,239 Quantum-Si Incorporated shares in Q2 2026, an estimated $25.7K.
  • ProShare Advisors first reported a position in Quantum-Si Incorporated in Q4 2021 and held it in 18 quarters.
  • ProShare Advisors's Quantum-Si Incorporated position peaked at $130K in Q4 2021.
  • 141 funds tracked by Wall St. Rank held Quantum-Si Incorporated as of Q2 2026.

Based on ProShare Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.