William Blair & Company
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William Blair & Company’s ProShares Bitcoin Strategy ETF BITO Stock Holding History

William Blair & Company’s Portfolio BITO Stock Details BITO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$11.9K Sell
1,489
-2,316
-61% -$22.7K ﹤0.01% 1898
2026
Q1 		$35.4K Sell
3,805
-4,855
-56% -$51.3K ﹤0.01% 1734
2025
Q4 		$105K Sell
8,660
-2,556
-23% -$40.1K ﹤0.01% 1555
2025
Q3 		$221K Buy
11,216
+1,104
+11% +$23K ﹤0.01% 1427
2025
Q2 		$218K Buy
10,112
+832
+9% +$17.2K ﹤0.01% 1386
2025
Q1 		$170K Buy
9,280
+547
+6% +$11.9K ﹤0.01% 1428
2024
Q4 		$199K Buy
8,733
+4,987
+133% +$111K ﹤0.01% 1442
2024
Q3 		$71.9K Buy
3,746
+490
+15% +$9.77K ﹤0.01% 1580
2024
Q2 		$73.3K Sell
3,256
-1,065
-25% -$28.5K ﹤0.01% 1553
2024
Q1 		$140K Buy
4,321
+104
+2% +$2.62K ﹤0.01% 1469
2023
Q4 		$86.4K Buy
4,217
+1,282
+44% +$23.2K ﹤0.01% 1523
2023
Q3 		$40.5K Buy
2,935
+72
+3% +$1.05K ﹤0.01% 1606
2023
Q2 		$48.6K Sell
2,863
-1,862
-39% -$30.2K ﹤0.01% 1599
2023
Q1 		$82.8K Buy
4,725
+518
+12% +$7.44K ﹤0.01% 1523
2022
Q4 		$43.9K Sell
4,207
-993
-19% -$11.1K ﹤0.01% 1591
2022
Q3 		$62K Hold
5,200
– – ﹤0.01% 1569
2022
Q2 		$60K Buy
5,200
+1,200
+30% +$24.2K ﹤0.01% 1603
2022
Q1 		$114K Hold
4,000
– – ﹤0.01% 1617
2021
Q4 		$116K Buy
+4,000
New +$144K ﹤0.01% 1674

Other funds holding BITO

AA
Acorns Advisers Irvine, California $15.3B AUM 18.32% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
FCG
Fielder Capital Group Nashville, Tennessee $462M AUM 37.71% 1-Year Est. Return
TI
Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return
MWA
MFA Wealth Advisors Pittsburgh, Pennsylvania $587M AUM 27.44% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

William Blair & Company's BITO Position: Q2 2026 in Review

William Blair & Company reduced its ProShares Bitcoin Strategy ETF (BITO) stake by 61% in Q2 2026, selling an estimated $22.7K and leaving 1,489 shares worth $11.9K. The position accounts for ﹤0.01% of the portfolio, ranked #1898.

William Blair & Company first reported a position in BITO in Q4 2021 and has held it in 19 quarters since. The position peaked at $221K in Q3 2025. 193 funds tracked by Wall St. Rank hold BITO as of Q2 2026.

  • William Blair & Company held 1,489 shares of ProShares Bitcoin Strategy ETF worth $11.9K as of Q2 2026.
  • William Blair & Company sold 2,316 ProShares Bitcoin Strategy ETF shares in Q2 2026, an estimated $22.7K.
  • ProShares Bitcoin Strategy ETF made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1898 holding.
  • William Blair & Company first reported a position in ProShares Bitcoin Strategy ETF in Q4 2021 and has held it in 19 quarters since.
  • William Blair & Company's ProShares Bitcoin Strategy ETF position peaked at $221K in Q3 2025.
  • 193 funds tracked by Wall St. Rank held ProShares Bitcoin Strategy ETF as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.