StockData

OSR Health, Inc. (OSRHW) shareholders

OSRHWOTCSurgical & Medical Instruments & ApparatusFiscal year ends December 31Also trades as OSRH
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 1/30
$0.01+0.00 (0.00%)

Close on Oct 19, 2026Market cap $325.06KP/E –Yield –

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
3M
Shares held, 13F filers
Institutional holders
18
4 new, 2 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Kuk Hyoun Hwang
Joint filing with Bellevue Capital Management LLC (87.70%), Bellevue Global Life Science Investors, LLC (58.40%) and 1 more
2,035,00087.70%13G (passive) amendmentDec 31, 2024

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of OSRHWValueChange% of portfolio
Toronto Dominion Bank604,164–$32.02K−7,7830.00%
Polar Asset Management Partners Inc.360,000–$19.08K–0.00%
Periscope Capital Inc.299,900–$15.90K–0.00%
Clear Street Group Inc.291,824–$15.47K−2590.00%
LMR Partners LLP253,001–$13.41K–0.00%
Rivernorth Capital Management, LLC250,000–$7.63K–0.00%
Saba Capital Management, L.P.250,000–$13.26K–0.00%
D. E. Shaw & Co., Inc.150,000–$7.95K–0.00%
Wolverine Asset Management LLC111,585–$5.91K–0.00%
Centiva Capital, LP100,000–$5.30K–0.00%
Boothbay Fund Management, LLC95,040–$30.06K–0.00%
Mint Tower Capital Management B.V.75,000–$4.00K–0.00%
Aristeia Capital LLC73,341–$3.89K–0.00%
Flow Traders U.S. LLC24,173–$1.00K+4430.00%
Susquehanna International Group, Llp21,458–$1.14KNew0.00%
Hrt Financial LP19,146–$1.00KNew0.00%
Two Sigma Securities, LLC17,891–$948New0.00%
UBS Group AG1,347–$71New0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares heldNew / addedReduced / closedShares boughtShares sold
Q2 2026183M4 / 12 / 20M0M
Q1 2026163M0 / 11 / 10M0M
Q4 2025173M0 / 13 / 20M0M
Q3 2025203M2 / 21 / 20M0M
Q2 2025214M4 / 24 / 31M0M
Q1 2025203M20 / 00 / 03M0M

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares ownedLatest filing
Kuk Hyoun HwangPresident and CEO, Director, 10% owner24,317,738Feb 19, 2025
Yeiseok KimChief Operating Officer24,699Apr 16, 2026
Sang Harry KimSee Remarks–Feb 21, 2025
Gihyoun BangChief Financial Officer–Feb 20, 2025
Reto Kaspar FierzDirector–Oct 24, 2025
Joong Myung ChoDirector–Feb 21, 2025
Alcide BarberisDirector–Feb 21, 2025
Hyuk Joo JeeDirector–Feb 20, 2025
Capital Management LLC Bellevue10% owner3,123,970Feb 19, 2025
Europe AG BCM10% owner7,531,634Feb 19, 2025
Global Life Science Investors LLC Bellevue10% owner2,043,500Feb 19, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2025Other+43,000––2,043,500
Kuk Hyoun Hwang
President and CEO, Director, 10% owner
Feb 14, 2025Other+7,531,634––9,575,134
Kuk Hyoun Hwang
President and CEO, Director, 10% owner
Feb 14, 2025Other+3,123,970––12,699,104
Kuk Hyoun Hwang
President and CEO, Director, 10% owner
Feb 14, 2025Other+43,000––2,043,500
Global Life Science Investors LLC Bellevue
10% owner
Mar 23, 2023Other−20,000––2,000,500
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Mar 23, 2023Other−20,000––2,000,500
David Jin Yoo
Chief Financial Officer
Mar 23, 2023Award+20,000––20,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 21, 2023Other−4,500––2,020,500
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 21, 2023Other+225,000––2,025,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 21, 2023Other−4,500––2,020,500
Global Life Science Investors LLC Bellevue
10% owner
Feb 21, 2023Other+225,000––2,025,000
Hosun Euh
Director
Feb 14, 2023Award+20,000––20,000
Steven Reed
Director
Feb 14, 2023Award+20,000––20,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−30,000––1,370,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−225,000––1,400,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−20,000––1,625,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Award+430,000$10.00$4.30M1,800,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−20,000––1,665,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−20,000––1,685,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−20,000––1,705,000
Kuk Hyoun Hwang
Chief Executive Officer, Director, 10% owner
Feb 14, 2023Other−20,000––1,645,000
Jin Whan Park
Director
Feb 14, 2023Award+20,000––20,000
Rad Roberts
Director
Feb 14, 2023Award+20,000––20,000
In Chul Chung
Director
Feb 14, 2023Award+20,000––20,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−20,000––1,645,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−30,000––1,370,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−225,000––1,400,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−20,000––1,625,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Award+430,000$10.00$4.30M1,800,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−20,000––1,665,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−20,000––1,685,000
Global Life Science Investors LLC Bellevue
10% owner
Feb 14, 2023Other−20,000––1,705,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Short interest

Shares sold short and not yet bought back, as of Oct 15, 2026 (FINRA, reported twice a month)

Short % of shares outstanding
–
0M shares short
Days to cover
81.8
At 0M shares a day
Change since last report
-1.5%
From 0M shares
Short volume, 20 days
65.8%
Of volume reported to FINRA

Shares sold short, last 12 months

Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of OSR Health's stock actually held short. Settlement fails (shares not delivered on time) peaked at 1,762 shares on Aug 18, 2026 over the last 90 days.