BUTTERFLY NETWORK INC (BFLY) Stock Institutional Trading Activity


BUTTERFLY NETWORK INC (BFLY) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Polen Capital Management, ARK Invest, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Polen Capital ManagementBuy338,169472,971$1,797,290
Q3 2025ARK InvestSell-270,8946,145,348$11,860,522
Q2 2025ARK InvestSell-607,7386,416,242$12,832,484
Q2 2025Polen Capital ManagementBuy134,802134,802$269,604
Q2 2025Renaissance Technologies LLCBuy89,553505,753$1,011,506
Q1 2025ARK InvestBuy1,012,4607,023,980$16,014,674
Q1 2025Renaissance Technologies LLCSell-584,900416,200$948,936
Q4 2024ARK InvestSell-2,664,7136,011,520$18,755,942
Q4 2024Renaissance Technologies LLCSell-1,090,5001,001,100$3,123,432
Q3 2024ARK InvestSell-2,308,4958,676,233$15,356,932
Q3 2024Renaissance Technologies LLCBuy1,748,5002,091,600$3,702,132
Q2 2024ARK InvestSell-309,80910,984,728$9,235,959
Q2 2024Renaissance Technologies LLCBuy108,944343,100$288,478
Q1 2024ARK InvestSell-2,393,99711,294,537$12,198,100
Q1 2024Renaissance Technologies LLCBuy173,556234,156$253
Q4 2023ARK InvestBuy973,26013,688,534$14,783,617
Q4 2023Renaissance Technologies LLCBuy25,80060,600$65
Q3 2023ARK InvestSell-33,97712,715,274$15,004,023
Q3 2023Renaissance Technologies LLCSell-393,50034,800$41
Q2 2023ARK InvestBuy3,302,87512,749,251$29,323,277
Q1 2023ARK InvestSell-554,0849,446,376$17,759,187
Q1 2023Renaissance Technologies LLCSell-197,300428,300$805
Q4 2022ARK InvestSell-840,43910,000,460$24,601,132
Q4 2022Renaissance Technologies LLCBuy511,100625,600$1,539
Q3 2022ARK InvestBuy3,746,75510,840,899$50,952
Q3 2022Renaissance Technologies LLCSell-1,047,500114,500$538
Q2 2022ARK InvestSell-245,9597,094,144$21,637
Q2 2022Renaissance Technologies LLCSell-73,9001,162,000$3,567
Q1 2022ARK InvestSell-276,4117,340,103$34,939
Q1 2022Renaissance Technologies LLCBuy1,235,9001,235,900$5,883

Frequently asked questions about BFLY activity

  • Which institutional owners are buying BFLY?

    Institutional owners buying BFLY include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in BFLY activity?

    "Buy" means an investor increased their reported position in BFLY compared to the prior reporting period. This reflects growing exposure to BUTTERFLY NETWORK INC (BFLY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in BFLY increasing?

    Institutional interest in BFLY can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.