RhumbLine Advisers
HTFL

RhumbLine Advisers’s Heartflow Inc HTFL Stock Holding History

RhumbLine Advisers’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
Q1 		$578K Buy
23,747
+3,693
+18% +$100K ﹤0.01% 2522
2025
Q4 		$585K Buy
+20,054
New +$646K ﹤0.01% 2572

Other funds holding HTFL

Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

RhumbLine Advisers's HTFL Position: Q1 2026 in Review

RhumbLine Advisers increased its Heartflow Inc (HTFL) stake by 18% in Q1 2026, buying an estimated $100K and bringing the position to 23,747 shares worth $578K. The position accounts for ﹤0.01% of the portfolio, ranked #2522.

RhumbLine Advisers first reported a position in HTFL in Q4 2025 and has held it in 2 quarters since. The position peaked at $585K in Q4 2025. 169 funds tracked by Wall St. Rank hold HTFL as of Q1 2026.

  • RhumbLine Advisers held 23,747 shares of Heartflow Inc worth $578K as of Q1 2026.
  • RhumbLine Advisers bought 3,693 Heartflow Inc shares in Q1 2026, an estimated $100K.
  • Heartflow Inc made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2522 holding.
  • RhumbLine Advisers first reported a position in Heartflow Inc in Q4 2025 and has held it in 2 quarters since.
  • RhumbLine Advisers's Heartflow Inc position peaked at $585K in Q4 2025.
  • 169 funds tracked by Wall St. Rank held Heartflow Inc as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.