COCP
Cocrystal Pharma, Inc.Company with tickers: COCP
CIK
1412486
CUSIP
19188J409
Shares Outstanding
13,787,453
13F Activity (30d)
24 filings
22 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: 26
Total Value: $783,993
Total Shares: 776,242
Institutional Ownership Trend
Holder Concentration
Across 26 13F filers · Δ vs Dec 31, 2025Top Holder
30.9%
−3.3 pts
Top 5
74.6%
−3.0 pts
Top 10
91.1%
−1.4 pts
HHI
1,551
Moderately concentrated
−201
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
7
Decreased
4
Sold Out
6
Unchanged
12
Holder count:
-3
Institutional value:
+3.8%
Shares held:
+0.7%
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 | |
| Mega WELLS FARGO & COMPANY/MN | +6,251 | 7,039 | |
| Mega UBS Group AG | +2,867 | 4,644 | |
| Small TWO SIGMA SECURITIES, LLC | +2,503 | 15,255 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | −2,100 | 123,928 | |
| 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 |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 263,987 | $258,706 | |
| Mid DRW Securities, LLC | 33,593 | $32,921 | |
| Mega BANK OF AMERICA CORP /DE/ | 9,083 | $8,901 | |
| Micro Fortitude Family Office, LLC | 3,219 | $3,154 | |
| Micro Motiv8 Investments LLC | 42 | $41 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $242,370 | 30.91% | 239,971 | Shares | Defined | 2026-05-15 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $125,167 | 15.97% | 123,928 | Shares | Sole | 2026-05-14 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $91,133 | 11.62% | 90,231 | Shares | Defined | 2026-05-15 | ||||
| Mega BlackRock, Inc. | $74,483 | 9.50% | 73,746 | Shares | Sole | 2026-05-13 | ||||
| Small T3 Companies, LLC | $52,015 | 6.63% | 51,500 | Shares | Sole | 2026-05-07 | ||||
| Mid XTX Topco Ltd | $36,391 | 4.64% | 36,031 | Shares | Defined | 2026-05-15 | ||||
| Mega NEUBERGER BERMAN GROUP LLC | $32,204 | 4.11% | 31,886 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $24,256 | 3.09% | 24,016 | Shares | Defined | 2026-05-08 | ||||
| Mega STATE STREET CORP | $20,748 | 2.65% | 20,543 | Shares | Defined | 2026-05-15 | ||||
| Small TWO SIGMA SECURITIES, LLC Broker-Dealer | $15,407 | 1.97% | 15,255 | Shares | Sole | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $13,210 | 1.68% | 13,080 | Shares | Defined | 2026-05-14 | ||||
| Mega JANE STREET GROUP, LLC | $12,837 | 1.64% | 12,711 | Shares | Defined | 2026-05-12 | ||||
| Mid Parallel Advisors, LLC | $12,694 | 1.62% | 12,569 | Shares | Sole | 2026-05-07 | ||||
| Mega NORTHERN TRUST CORP Bank | $12,040 | 1.54% | 11,921 | Shares | Defined | 2026-05-14 | ||||
| Mega WELLS FARGO & COMPANY/MN | $7,109 | 0.91% | 7,039 | Shares | Defined | 2026-05-11 | ||||
| Mega UBS Group AG | $4,690 | 0.60% | 4,644 | Shares | Defined | 2026-05-05 | ||||
| Mid Tower Research Capital LLC (TRC) | $4,290 | 0.55% | 4,248 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $957 | 0.12% | 948 | Shares | Defined | 2026-05-15 | ||||
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $825 | 0.11% | 817 | Shares | Defined | 2026-05-07 | ||||
| Small Clean Yield Group | $422 | 0.05% | 418 | Shares | Sole | 2026-04-14 | ||||
| Mega FMR LLC | $337 | 0.04% | 334 | Shares | Defined | 2026-05-15 | ||||
| Mid MAI Capital Management | $239 | 0.03% | 237 | Shares | Sole | 2026-05-15 | ||||
| Small NVWM, LLC | $84 | 0.01% | 84 | Shares | Sole | 2026-04-27 | ||||
| Mega ROYAL BANK OF CANADA Bank | $51 | 0.01% | 51 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $33 | 0.00% | 33 | Shares | Defined | 2026-04-28 | ||||
| Mega CITIGROUP INC | $1 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
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