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OS Therapies Ownership | Who Owns OS Therapies?

OverviewForecastFinancialsChart

OS Therapies Ownership Summary

OS Therapies is owned by 7.33% institutional investors, 21.37% insiders, and 71.30% retail investors. Vanguard capital management is the largest institutional shareholder, holding 2.01% of OSTX shares.

OSTX Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockOS Therapies7.33%21.37%71.30%
SectorHealthcare Stocks 50.50%12.33%37.17%
IndustryBiotech Stocks 49.09%12.06%38.85%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard capital management777.65K2.01%$1.48M
Vanguard group540.42K1.69%$756.59K
Cm management400.00K1.03%$760.00K
Geode capital management301.79K0.78%$573.41K
Howard financial services248.00K0.64%$471.20K
Blackrock funding, inc. /de242.48K0.63%$460.71K
Vanguard fiduciary trust174.13K0.45%$330.85K
State street120.10K0.31%$228.19K
Marshall wace, llp100.64K0.26%$191.22K
Hightower advisors85.55K0.22%$162.54K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Cm management400.00K0.48%$760.00K
Howard financial services248.00K0.05%$471.20K
Axq capital, lp24.62K0.01%$46.78K
Stratos wealth advisors19.31K0.00%$36.70K
Ingalls & snyder36.68K0.00%$70.00K
Bridgeway capital management45.00K0.00%$85.50K
Beacon pointe advisors62.51K0.00%$88.14K
Quadrature capital15.66K0.00%$29.76K
Marshall wace, llp100.64K0.00%$191.22K
Hightower advisors85.55K0.00%$162.54K

Top Buyers

HolderShares% AssetsChange
Vanguard group540.42K-352.16K
Vanguard capital management777.65K-308.18K
Blackrock funding, inc. /de242.48K-177.71K
Marshall wace, llp100.64K0.00%100.64K
Hightower advisors85.55K0.00%70.35K

Top Sellers

HolderShares% AssetsChange
Susquehanna group, llp13.53K--435.20K
Ubs group8.81K--339.87K
Sanders morris harris---32.00K
Xtx topco---31.62K
Millennium management---30.79K

New Positions

HolderShares% AssetsChangeValue
Beacon pointe advisors62.51K0.00%62.51K$88.14K
Axq capital, lp24.62K0.01%24.62K$46.78K
Quadrature capital15.66K0.00%15.66K$29.76K
Rockefeller capital management7.50K-7.50K$14.25K
Steward partners investment advisory5.68K0.00%5.68K$10.79K

Sold Out

HolderChange
Fmr-2.00
Jpmorgan chase-13.00
Northwestern mutual wealth management-25.00
Royal bank of canada-480.00
Tower research capital llc (trc)-4.18K

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202629-2,833,566-2.21%713.05%2110.53%4100.00%
Mar 31, 20262920.83%2,897,57063.22%932.10%1935.71%2-50.00%
Dec 31, 202512-52.00%1,377,335-11.89%418.01%9-50.00%--100.00%
Sep 30, 20252592.31%1,563,221158.93%484.65%18100.00%2100.00%
Jun 30, 202513116.67%603,72755.09%271.63%9125.00%1-

Recent Insider Transactions

DateNameRoleActivityValue
May 07, 2025Auerbach Shalom-Sell$163.92K
Apr 09, 2025Auerbach Shalom-Sell$67.67K
Apr 10, 2025Auerbach Shalom-Sell$13.90K
Feb 14, 2025Auerbach Shalom-Sell$284.30K
Jan 15, 2025Auerbach Shalom-Sell$112.61K

Insider Transactions Trends

DateBuySell
2025 Q2-3
2025 Q1-2
2024 Q4--
2024 Q3--
2003 Q2--

OSTX Ownership FAQ

Who Owns OS Therapies?

OS Therapies shareholders are primarily institutional investors at 7.33%, followed by 21.37% insiders and 71.30% retail investors. The average institutional ownership in OS Therapies's industry, Biotech Stocks , is 49.09%, which OS Therapies falls below.

Who owns the most shares of OS Therapies?

OS Therapies’s largest shareholders are Vanguard capital management (777.65K shares, 2.01%), Vanguard group (540.42K shares, 1.69%), and Cm management (400K shares, 1.03%). Together, they hold 4.74% of OS Therapies’s total shares outstanding.

Does Blackrock own OS Therapies?

BlackRock is not among the top 10 institutional shareholders of OS Therapies.

Who is OS Therapies’s biggest shareholder by percentage of total assets invested?

Cm management is OS Therapies’s biggest shareholder by percentage of total assets invested, with 0.48% of its assets in 400K OS Therapies shares, valued at 760K$.

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