SPPAM
HTFL

Summit Partners Public Asset Management’s Heartflow Inc HTFL Stock Holding History

Summit Partners Public Asset 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
2026
Q2 		$49.7M Buy
1,694,651
+802,558
+90% +$24.1M 0.87% 34
2026
Q1 		$21.7M Sell
892,093
-367,028
-29% -$9.97M 0.58% 61
2025
Q4 		$36.7M Buy
1,259,121
+410,659
+48% +$13.2M 0.76% 50
2025
Q3 		$28.6M Buy
+848,462
New +$27.3M 0.59% 57

Other funds holding HTFL

BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JT
Jupiter Topco New York $245B AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Summit Partners Public Asset Management's HTFL Position: Q2 2026 in Review

Summit Partners Public Asset Management increased its Heartflow Inc (HTFL) stake by 90% in Q2 2026, buying an estimated $24.1M and bringing the position to 1,694,651 shares worth $49.7M. The position accounts for 0.87% of the portfolio, ranked #34.

Summit Partners Public Asset Management first reported a position in HTFL in Q3 2025 and has held it in 4 quarters since. 193 funds tracked by Wall St. Rank hold HTFL as of Q2 2026.

  • Summit Partners Public Asset Management held 1,694,651 shares of Heartflow Inc worth $49.7M as of Q2 2026.
  • Summit Partners Public Asset Management bought 802,558 Heartflow Inc shares in Q2 2026, an estimated $24.1M.
  • Heartflow Inc made up 0.87% of Summit Partners Public Asset Management's portfolio in Q2 2026, its #34 holding.
  • Summit Partners Public Asset Management first reported a position in Heartflow Inc in Q3 2025 and has held it in 4 quarters since.
  • 193 funds tracked by Wall St. Rank held Heartflow Inc as of Q2 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.