Stifel Financial
OSTX

Stifel Financial’s OS Therapies Inc OSTX Stock Holding History

Stifel Financial’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 		$53K Buy
27,900
+12,900
+86% +$21.6K ﹤0.01% 3658
2026
Q1 		$21.1K Hold
15,000
– – ﹤0.01% 3606
2025
Q4 		$21K Hold
15,000
– – ﹤0.01% 3553
2025
Q3 		$29.4K Hold
15,000
– – ﹤0.01% 3506
2025
Q2 		$28.2K Hold
15,000
– – ﹤0.01% 3442
2025
Q1 		$23.1K Buy
+15,000
New +$35.2K ﹤0.01% 3386

Other funds holding OSTX

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CM
CM Management Gulf Breeze, Florida $157M AUM 60.08% 1-Year Est. Return
Geode Capital Management
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Stifel Financial's OSTX Position: Q2 2026 in Review

Stifel Financial increased its OS Therapies Inc (OSTX) stake by 86% in Q2 2026, buying an estimated $21.6K and bringing the position to 27,900 shares worth $53K. The position accounts for ﹤0.01% of the portfolio, ranked #3658.

Stifel Financial first reported a position in OSTX in Q1 2025 and has held it in 6 quarters since. 29 funds tracked by Wall St. Rank hold OSTX as of Q2 2026.

  • Stifel Financial held 27,900 shares of OS Therapies Inc worth $53K as of Q2 2026.
  • Stifel Financial bought 12,900 OS Therapies Inc shares in Q2 2026, an estimated $21.6K.
  • OS Therapies Inc made up ﹤0.01% of Stifel Financial's portfolio in Q2 2026, its #3658 holding.
  • Stifel Financial first reported a position in OS Therapies Inc in Q1 2025 and has held it in 6 quarters since.
  • 29 funds tracked by Wall St. Rank held OS Therapies Inc as of Q2 2026.

Based on Stifel Financial's 13F filing for Q2 2026, filed 12 Aug 2026.