BlackRock
HTFL

BlackRock’s Heartflow Inc HTFL Stock Holding History

BlackRock’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 		$153M Buy
5,197,747
+3,735,163
+255% +$112M ﹤0.01% 1968
2026
Q1 		$35.6M Buy
1,462,584
+120,445
+9% +$3.27M ﹤0.01% 2734
2025
Q4 		$39.1M Buy
1,342,139
+1,032,570
+334% +$33.2M ﹤0.01% 2684
2025
Q3 		$10.4M Buy
+309,569
New +$9.95M ﹤0.01% 3436

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
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
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return

BlackRock's HTFL Position: Q2 2026 in Review

BlackRock increased its Heartflow Inc (HTFL) stake by 255% in Q2 2026, buying an estimated $112M and bringing the position to 5,197,747 shares worth $153M. The position accounts for ﹤0.01% of the portfolio, ranked #1968.

BlackRock 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.

  • BlackRock held 5,197,747 shares of Heartflow Inc worth $153M as of Q2 2026.
  • BlackRock bought 3,735,163 Heartflow Inc shares in Q2 2026, an estimated $112M.
  • Heartflow Inc made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #1968 holding.
  • BlackRock 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 BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.