XTX Topco’s OS Therapies Inc OSTX Stock Holding History

XTX Topco’s Portfolio OSTX Stock Details OSTX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-31,622	Closed	-$44.6K	–	4802
2026 Q1	$44.6K	Buy	+31,622	New	+$44.9K	﹤0.01%	3350
2025 Q3	–	Sell	-33,489	Closed	-$63K	–	3413
2025 Q2	$63K	Buy	+33,489	New	+$56.4K	﹤0.01%	1975

Other funds holding OSTX

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

CM Management Gulf Breeze, Florida $157M AUM 60.08% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

HFS

Howard Financial Services Dallas, Texas $1B AUM 20.02% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

XTX Topco's OSTX Position: Q2 2026 in Review

XTX Topco sold out of OS Therapies Inc (OSTX) in Q2 2026, closing a stake of 31,622 shares — an estimated $44.6K sold.

XTX Topco first reported a position in OSTX in Q2 2025 and held it in 2 quarters. The position peaked at $63K in Q2 2025. 29 funds tracked by Wall St. Rank hold OSTX as of Q2 2026.

XTX Topco reported no remaining OS Therapies Inc position as of Q2 2026 after selling out during the quarter.
XTX Topco sold 31,622 OS Therapies Inc shares in Q2 2026, an estimated $44.6K.
XTX Topco first reported a position in OS Therapies Inc in Q2 2025 and held it in 2 quarters.
XTX Topco's OS Therapies Inc position peaked at $63K in Q2 2025.
29 funds tracked by Wall St. Rank held OS Therapies Inc as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.