State Street’s OS Therapies Inc OSTX Stock Holding History

State Street’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	$228K	Buy	120,100 +28,900	+32%	+$48.5K	﹤0.01%	3786
2026 Q1	$129K	Buy	91,200 +32,700	+56%	+$46.4K	﹤0.01%	3983
2025 Q4	$81.9K	Buy	58,500 +8,200	+16%	+$14.8K	﹤0.01%	4076
2025 Q3	$98.6K	Buy	+50,300	New	+$99.7K	﹤0.01%	4053

Other funds holding OSTX

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

HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return

AXQ Capital Jersey City, New Jersey $920M AUM 18.71% 1-Year Est. Return

Quadrature Capital London, United Kingdom $11.7B AUM 87.29% 1-Year Est. Return

AAG

Armstrong Advisory Group Needham, Massachusetts $1.64B AUM 19.37% 1-Year Est. Return

CIAM

Caitong International Asset Management Hong Kong $729M AUM 1,176.98% 1-Year Est. Return

State Street's OSTX Position: Q2 2026 in Review

State Street increased its OS Therapies Inc (OSTX) stake by 32% in Q2 2026, buying an estimated $48.5K and bringing the position to 120,100 shares worth $228K. The position accounts for ﹤0.01% of the portfolio, ranked #3786.

State Street first reported a position in OSTX in Q3 2025 and has held it in 4 quarters since. 8 funds tracked by Wall St. Rank hold OSTX as of Q2 2026.

State Street held 120,100 shares of OS Therapies Inc worth $228K as of Q2 2026.
State Street bought 28,900 OS Therapies Inc shares in Q2 2026, an estimated $48.5K.
OS Therapies Inc made up ﹤0.01% of State Street's portfolio in Q2 2026, its #3786 holding.
State Street first reported a position in OS Therapies Inc in Q3 2025 and has held it in 4 quarters since.
8 funds tracked by Wall St. Rank held OS Therapies Inc as of Q2 2026.

Based on State Street's 13F filing for Q2 2026, filed 7 Aug 2026.