COCP
Cocrystal Pharma, Inc.Company with tickers: COCP
CIK
1412486
CUSIP
19188J409
Shares Outstanding
13,787,453
Website
https://www.cocrystalpharma.com
Investor Relations
https://ir.cocrystalpharma.com/
13F Activity (30d)
11 filings
11 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 18
Total Value: $558,362
Total Shares: 552,841
Institutional Ownership Trend
15 quarters
Holder Concentration
Across 18 13F filers · Δ vs Dec 31, 2025Top Holder
43.4%
+14.5 pts
Top 5
81.3%
+3.9 pts
Top 10
96.8%
−0.8 pts
HHI
2,369
Moderately concentrated+792
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
3
Decreased
3
Sold Out
5
Unchanged
9
Holder count:
-2
Institutional value:
+99.7%
Shares held:
+93.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | +20,890 | 36,031 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +7,732 | 90,231 | |
| Small TWO SIGMA SECURITIES, LLC | +2,503 | 15,255 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid Tower Research Capital LLC (TRC) | −850 | 4,248 | |
| Small T3 Companies, LLC | −800 | 51,500 | |
| Mega CITIGROUP INC | −389 | 1 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 239,971 | $242,370 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 24,016 | $24,256 | |
| Mid Virtu Financial LLC | 13,080 | $13,210 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid DRW Securities, LLC | 33,593 | $32,921 | |
| Micro Fortitude Family Office, LLC | 3,219 | $3,154 | |
| Mega UBS Group AG | 1,777 | $1,740 | |
| Micro Motiv8 Investments LLC | 42 | $41 | |
| Small Root Financial Partners, LLC | 7 | $6 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $242,370 | 43.41% | 239,971 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $91,133 | 16.32% | 90,231 | Shares | Defined | 2026-05-15 | ||||
| Small T3 Companies, LLC | $52,015 | 9.32% | 51,500 | Shares | Sole | 2026-05-07 | ||||
| Mid XTX Topco Ltd | $36,391 | 6.52% | 36,031 | Shares | Defined | 2026-05-15 | ||||
| Mega NEUBERGER BERMAN GROUP LLC | $32,204 | 5.77% | 31,886 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $24,256 | 4.34% | 24,016 | Shares | Defined | 2026-05-08 | ||||
| Mega STATE STREET CORP | $20,748 | 3.72% | 20,543 | Shares | Defined | 2026-05-15 | ||||
| Small TWO SIGMA SECURITIES, LLC Broker-Dealer | $15,407 | 2.76% | 15,255 | Shares | Sole | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $13,210 | 2.37% | 13,080 | Shares | Defined | 2026-05-14 | ||||
| Mid Parallel Advisors, LLC | $12,694 | 2.27% | 12,569 | Shares | Sole | 2026-05-07 | ||||
| Mega NORTHERN TRUST CORP Bank | $12,040 | 2.16% | 11,921 | Shares | Defined | 2026-05-14 | ||||
| Mid Tower Research Capital LLC (TRC) | $4,290 | 0.77% | 4,248 | Shares | Defined | 2026-05-15 | ||||
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $825 | 0.15% | 817 | Shares | Defined | 2026-05-07 | ||||
| Small Clean Yield Group | $422 | 0.08% | 418 | Shares | Sole | 2026-04-14 | ||||
| Mid MAI Capital Management | $239 | 0.04% | 237 | Shares | Sole | 2026-05-15 | ||||
| Small NVWM, LLC | $84 | 0.02% | 84 | Shares | Sole | 2026-04-27 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $33 | 0.01% | 33 | Shares | Defined | 2026-04-28 | ||||
| Mega CITIGROUP INC | $1 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| No holders match your search. | ||||||||||