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COCP · NASDAQ · Biotechnology

Cocrystal Pharma (COCP)

Develops structure-designed antivirals for influenza, norovirus, and coronavirus infections.

$1.16
At close+0.04 (+3.57%)

Breakdown13F · 13D/G · Form 4

Institutions25 holders · as of Mar 31, 20264.03%776.2K shares
Insiders8 holders · as of Aug 7, 202636.46%7.02M shares
Strategic holders1 holder · as of Aug 7, 202629.55%5.69M shares
Otherremainder29.96%5.77M shares

19.26M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Two share counts disagree (19.26M in the company's Sep 3, 2026 report, 13.79M elsewhere); stakes use the report.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Opko Health, Inc.Strategic
29.55%5.69M13Dfiled Aug 7, 2026
Phillip Md Et Al Frost1Insiderdirector, 10 percent owner
14.46%2.78M13Dfiled Aug 7, 2026
Steven D. RubinInsiderdirector
13.81%2.66MForm 4filed Oct 11, 2024
Fred HassanInsiderdirector
7.18%1.38MForm 4filed Oct 30, 2025
Vanguard Capital Management LLCInstitution
1.25%239,97113Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution
0.64%123,92813Fas of Mar 31, 2026
Geode Capital Management, LLCInstitution
0.47%90,23113Fas of Mar 31, 2026
Sam LeeInsiderofficer: President and Co-CEO
0.40%76,355Form 4filed Oct 11, 2024
BlackRock, Inc.Institution
0.38%73,74613Fas of Mar 31, 2026
T3 Companies, LLCInstitution
0.27%51,50013Fas of Mar 31, 2026
James Joseph MartinInsiderofficer: Co-CEO and CFO
0.23%44,167Form 4filed Oct 30, 2025
XTX Topco LtdInstitution
0.19%36,03113Fas of Mar 31, 2026
Neuberger Berman Group LLCInstitution
0.17%31,88613Fas of Mar 31, 2026
Richard C. Jr PfennigerInsiderdirector
0.16%31,400Form 4filed Oct 30, 2025
Roger D. KornbergInsiderdirector
0.15%28,109Form 4filed Oct 11, 2024
Vanguard Fiduciary Trust CoInstitution
0.12%24,01613Fas of Mar 31, 2026
State Street CorpInstitution
0.11%20,54313Fas of Mar 31, 2026
Two Sigma Securities, LLCInstitution
0.08%15,25513Fas of Mar 31, 2026
Anthony J. JapourInsiderdirector
0.08%14,924Form 4filed Oct 11, 2024
Virtu Financial LLCInstitution
0.07%13,08013Fas of Mar 31, 2026
Jane Street Group, LLCInstitution
0.07%12,71113Fas of Mar 31, 2026
Parallel Advisors, LLCInstitution
0.07%12,56913Fas of Mar 31, 2026
Northern Trust CorpInstitution
0.06%11,92113Fas of Mar 31, 2026
Wells Fargo & Company/MNInstitution
0.04%7,03913Fas of Mar 31, 2026
UBS Group AGInstitution
0.02%4,64413Fas of Mar 31, 2026
  1. Phillip Md Et Al Frost's transaction reports restate only vehicles that traded; the 2026 ownership statement (2.78M) is used instead.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

25 holders · 776.2K shares · 4 new positions · 10 increased · 4 reduced · 5 closed

HolderShares% outstandingChg q/qFiled
Vanguard Capital Management LLC240.0K1.25%+240.0KnewMay 15, 2026
Renaissance Technologies LLC123.9K0.64%−2.1KMay 14, 2026
Geode Capital Management, LLC90.2K0.47%+7.7KMay 15, 2026
BlackRock, Inc.73.7K0.38%0May 13, 2026
T3 Companies, LLC51.5K0.27%−800May 7, 2026
XTX Topco Ltd36.0K0.19%+20.9KMay 15, 2026
Neuberger Berman Group LLC31.9K0.17%0May 14, 2026
Vanguard Fiduciary Trust Co24.0K0.12%+24.0KnewMay 8, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Opko Health, Inc.incl. Frost Phillip MD et al, Frost Gamma Investments Trust +1 more29.60%5.69M13DAug 7, 2026
Phillip Frost, M.D.incl. Frost Gamma Investments Trust13.90%2.78M13DAug 7, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 5, 2026
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase10,000$0.98161,993,551
Aug 3, 2026
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase75,000$0.94121,983,551
Feb 24, 2026
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase20,000$0.99761,908,551
Feb 6, 2026
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase50,000$0.94561,888,551
Dec 31, 2025
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase50,000$0.94551,838,551
Dec 30, 2025
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase20,000$0.96551,788,551
Dec 24, 2025
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase25,000$0.97031,728,551
Dec 26, 2025
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase40,000$0.97361,768,551
Nov 26, 2025
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase · 2 lots4,000$0.99381,703,551
Nov 25, 2025
Phillip Md Et Al Frostdirector, 10 percent owner:
Purchase20,000$0.94061,699,551

CongressHouse and Senate disclosures

Not reported.