Cocrystal Pharma, Inc. (COCP) Ownership
COCP ownership summary
as of October 18, 2026- Institutions
- 5.8% of shares outstanding
- Insiders
- 65.71% of shares outstanding
- Shares outstanding
- 19.3M
- Float
- 11.9M shares available to trade
- Short interest
- 1.11% 175K shares short
- Days to cover
- 3.34 short interest down 45.7% vs prior month
- Institutions 5.77%
- Insiders 65.71%
- Other investors 28.51%
COCP top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management, LLC | 1.86% | 358K | $365,393 | +118,257 (+49.3%) | June 30, 2026 |
| 2 | Renaissance Technologies Corp | 0.93% | 180K | $183,221 | +55,700 (+44.9%) | June 30, 2026 |
| 3 | Two Sigma Investments LLC | 0.91% | 175K | $178,887 | +175,379 (0.0%) | June 30, 2026 |
| 4 | Geode Capital Management, LLC | 0.40% | 76K | $77,732 | −14,023 (−15.5%) | June 30, 2026 |
| 5 | BlackRock Inc | 0.38% | 74K | $75,221 | — | June 30, 2026 |
| 6 | Citadel Advisors Llc | 0.23% | 45K | $46,020 | +45,118 (0.0%) | June 30, 2026 |
| 7 | Neuberger Berman Group LLC | 0.17% | 32K | $32,524 | — | June 30, 2026 |
| 8 | XTX Topco Ltd | 0.15% | 29K | $29,929 | −6,689 (−18.6%) | June 30, 2026 |
| 9 | Jane Street Group LLC | 0.13% | 26K | $26,276 | +13,050 (+102.7%) | June 30, 2026 |
| 10 | Vanguard Fiduciary Trust Co | 0.12% | 24K | $24,496 | — | June 30, 2026 |
| 11 | State Street Corp | 0.11% | 21K | $20,954 | — | June 30, 2026 |
| 12 | HRT FINANCIAL LLC | 0.11% | 20K | $20,743 | +20,336 (0.0%) | June 30, 2026 |
| 13 | Parallel Advisors, LLC | 0.07% | 13K | $12,820 | — | June 30, 2026 |
| 14 | Northern Trust Corp | 0.06% | 12K | $12,159 | — | June 30, 2026 |
| 15 | Ground Swell Capital, LLC | 0.06% | 11K | $10,967 | +10,752 (0.0%) | June 30, 2026 |
| 16 | Wells Fargo & Co | 0.03% | 6,257 | $6,382 | −782 (−11.1%) | June 30, 2026 |
| 17 | UBS Group AG | 0.02% | 4,133 | $4,216 | −511 (−11.0%) | June 30, 2026 |
| 18 | Tower Research Capital LLC | 0.02% | 3,984 | $4,064 | −264 (−6.2%) | June 30, 2026 |
| 19 | Morgan Stanley - Brokerage Accounts | <0.01% | 871 | $888 | −77 (−8.1%) | June 30, 2026 |
| 20 | Northwestern Mutual Wealth Management Co | <0.01% | 817 | $833 | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 7 holders added 439K shares and 6 cut 22K.
COCP top mutual fund and ETF holders
5 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 0.97% | 187K | $191,011 | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.26% | 50K | $50,532 | −266 (−0.5%) | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.05% | 9,629 | $9,822 | — | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.04% | 8,526 | $8,697 | — | August 31, 2026 |
| 5 | Fidelity Nasdaq Composite Index | 0.01% | 2,630 | $2,683 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
COCP insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-06 | Phillip Md Et Al Frost | Buy | $0.95 | 50,000 | $47,500 |
| 2025-12-31 | Phillip Md Et Al Frost | Buy | $0.95 | 50,000 | $47,500 |
| 2025-12-30 | Phillip Md Et Al Frost | Buy | $0.97 | 20,000 | $19,400 |
| 2025-12-26 | Phillip Md Et Al Frost | Buy | $0.97 | 40,000 | $38,800 |
| 2025-12-24 | Phillip Md Et Al Frost | Buy | $0.97 | 25,000 | $24,250 |
| 2025-11-26 | Phillip Md Et Al Frost | Buy | $0.99 | 4,000 | $3,960 |
| 2025-11-25 | Phillip Md Et Al Frost | Buy | $0.94 | 20,000 | $18,800 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
COCP shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns COCP
Institutional investors own 5.8% of Cocrystal Pharma's shares and insiders 65.71%. The largest holder is Vanguard Capital Management, LLC with 1.86% of the shares (358K), as of June 30, 2026. Among the top 20 institutions, 7 added shares and 6 reduced their stake in the latest filings. Short interest is 1.11% of the float, or 3.34 days of average trading volume. The share count rose 491.4% since 2014.
Related: COCP analyst forecast, COCP key metrics. See the COCP stock overview for the latest quote and news.
COCP ownership FAQ
Who owns the most Cocrystal Pharma stock?
The largest shareholders of Cocrystal Pharma are Vanguard Capital Management, LLC (1.86%), Renaissance Technologies Corp (0.93%), Two Sigma Investments LLC (0.91%), Geode Capital Management, LLC (0.40%), BlackRock Inc (0.38%).
What percentage of Cocrystal Pharma is owned by institutions?
Institutions hold 5.8% of Cocrystal Pharma's shares outstanding; insiders hold 65.71%.
Which funds own Cocrystal Pharma?
The largest fund holders of Cocrystal Pharma are Vanguard MStar Total Stk Mkt Idx Invest (0.97%), Fidelity Extended Market Index (0.26%), Fidelity Series Total Market Index (0.05%), Fidelity Total Market Index (0.04%), Fidelity Nasdaq Composite Index (0.01%).
What is Cocrystal Pharma's short interest?
175K shares of Cocrystal Pharma were sold short, 1.11% of the float; at the average daily volume it would take 3.34 days to cover.
Are insiders buying or selling Cocrystal Pharma?
Of the latest 7 reported insider transactions in Cocrystal Pharma (since November 25, 2025), 7 were purchases and 0 were sales.
How many shares of Cocrystal Pharma are outstanding?
Cocrystal Pharma has 19.3M shares outstanding, of which 11.9M are in the public float.