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John Overdeck’s Butterfly Network BFLY Stock Holding History

John Overdeck’s Portfolio BFLY Stock Details BFLY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$11.6M Buy
1,373,045
+615,839
+81% +$3.19M 0.01% 1414
2026
Q1 		$3.06M Buy
757,206
+736,769
+3,605% +$2.84M ﹤0.01% 2426
2025
Q4 		$77.7K Sell
20,437
-1,661
-8% -$4.52K ﹤0.01% 3880
2025
Q3 		$42.6K Sell
22,098
-749,012
-97% -$1.27M ﹤0.01% 3550
2025
Q2 		$1.54M Buy
771,110
+59,707
+8% +$137K ﹤0.01% 2000
2025
Q1 		$1.62M Buy
711,403
+73,929
+12% +$264K ﹤0.01% 1874
2024
Q4 		$1.99M Buy
637,474
+507,923
+392% +$1.32M ﹤0.01% 1718
2024
Q3 		$229K Buy
+129,551
New +$162K ﹤0.01% 2767
2023
Q1 		– Sell
-471,915
Closed -$1.16M – 2965
2022
Q4 		$1.16M Buy
471,915
+327,746
+227% +$1.18M ﹤0.01% 1627
2022
Q3 		$678K Buy
+144,169
New +$761K ﹤0.01% 1637
2022
Q2 		– Sell
-643,770
Closed -$3.06M – 2522
2022
Q1 		$3.06M Buy
643,770
+545,081
+552% +$2.99M 0.01% 1156
2021
Q4 		$660K Buy
+98,689
New +$868K ﹤0.01% 2970

Other funds holding BFLY

California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
GCM
Glenview Capital Management New York $5.49B AUM 46.89% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
FI
Fosun International Hong Kong, China $446M AUM 13.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

John Overdeck's BFLY Position: Q2 2026 in Review

John Overdeck increased its Butterfly Network (BFLY) stake by 81% in Q2 2026, buying an estimated $3.19M and bringing the position to 1,373,045 shares worth $11.6M. The position accounts for 0.01% of the portfolio, ranked #1414.

John Overdeck first reported a position in BFLY in Q4 2021 and has held it in 12 quarters since. 244 funds tracked by Wall St. Rank hold BFLY as of Q2 2026.

  • John Overdeck held 1,373,045 shares of Butterfly Network worth $11.6M as of Q2 2026.
  • John Overdeck bought 615,839 Butterfly Network shares in Q2 2026, an estimated $3.19M.
  • Butterfly Network made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1414 holding.
  • John Overdeck first reported a position in Butterfly Network in Q4 2021 and has held it in 12 quarters since.
  • 244 funds tracked by Wall St. Rank held Butterfly Network as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.