Marshall Wace’s Heartflow Inc HTFL Stock Holding History

Marshall Wace’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	-15,443	Closed	-$520K	–	3630
2025 Q3	$520K	Buy	+15,443	New	+$496K	﹤0.01%	2216

Other funds holding HTFL

BCLSI

Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

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 Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Marshall Wace's HTFL Position: Q4 2025 in Review

Marshall Wace sold out of Heartflow Inc (HTFL) in Q4 2025, closing a stake of 15,443 shares — an estimated $520K sold.

Marshall Wace first reported a position in HTFL in Q3 2025 and held it in 1 quarter. The position peaked at $520K in Q3 2025. 112 funds tracked by Wall St. Rank hold HTFL as of Q4 2025.

Marshall Wace reported no remaining Heartflow Inc position as of Q4 2025 after selling out during the quarter.
Marshall Wace sold 15,443 Heartflow Inc shares in Q4 2025, an estimated $520K.
Marshall Wace first reported a position in Heartflow Inc in Q3 2025 and held it in 1 quarter.
Marshall Wace's Heartflow Inc position peaked at $520K in Q3 2025.
112 funds tracked by Wall St. Rank held Heartflow Inc as of Q4 2025.

Based on Marshall Wace's 13F filing for Q4 2025, filed 13 Feb 2026.