RSCM
HTFL

Rock Springs Capital Management’s Heartflow Inc HTFL Stock Holding History

Rock Springs 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
2026
Q2 		$16.8M Buy
573,500
+1,000
+0.2% +$30K 0.82% 39
2026
Q1 		$13.9M Buy
572,500
+294,800
+106% +$8M 0.82% 40
2025
Q4 		$8.09M Buy
277,700
+27,700
+11% +$892K 0.42% 56
2025
Q3 		$8.41M Buy
+250,000
New +$8.04M 0.49% 56

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

Rock Springs Capital Management's HTFL Position: Q2 2026 in Review

Rock Springs Capital Management increased its Heartflow Inc (HTFL) stake by 0.17% in Q2 2026, buying an estimated $30K and bringing the position to 573,500 shares worth $16.8M. The position accounts for 0.82% of the portfolio, ranked #39.

Rock Springs Capital 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.

  • Rock Springs Capital Management held 573,500 shares of Heartflow Inc worth $16.8M as of Q2 2026.
  • Rock Springs Capital Management bought 1,000 Heartflow Inc shares in Q2 2026, an estimated $30K.
  • Heartflow Inc made up 0.82% of Rock Springs Capital Management's portfolio in Q2 2026, its #39 holding.
  • Rock Springs Capital 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 Rock Springs Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.