ACM
HTFL

Atika Capital Management’s Heartflow Inc HTFL Stock Holding History

Atika Capital Management’s Portfolio HTFL Stock Details HTFL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-69,000
Closed -$2.32M – 120
2025
Q3 		$2.32M Buy
+69,000
New +$2.22M 0.19% 75

Other funds holding HTFL

BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
SI
Schusterman Interests Tulsa, Oklahoma $391M AUM 33.81% 1-Year Est. Return
CIG
Capricorn Investment Group Palo Alto, California $602M AUM 165.22% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Atika Capital Management's HTFL Position: Q4 2025 in Review

Atika Capital Management sold out of Heartflow Inc (HTFL) in Q4 2025, closing a stake of 69,000 shares — an estimated $2.32M sold.

Atika Capital Management first reported a position in HTFL in Q3 2025 and held it in 1 quarter. The position peaked at $2.32M in Q3 2025. 112 funds tracked by Wall St. Rank hold HTFL as of Q4 2025.

  • Atika Capital Management reported no remaining Heartflow Inc position as of Q4 2025 after selling out during the quarter.
  • Atika Capital Management sold 69,000 Heartflow Inc shares in Q4 2025, an estimated $2.32M.
  • Atika Capital Management first reported a position in Heartflow Inc in Q3 2025 and held it in 1 quarter.
  • Atika Capital Management's Heartflow Inc position peaked at $2.32M in Q3 2025.
  • 112 funds tracked by Wall St. Rank held Heartflow Inc as of Q4 2025.

Based on Atika Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.