COCP · Cocrystal Pharma, Inc.

$1.09 -0.03 (-2.68%) At close · Aug 17

Market Cap

$21.38M

19.26M

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.

Quarter:

Holders: 28

Total Value: $1,167,721

Total Shares: 1,112,130

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 28 13F filers · Δ vs Mar 31, 2026

Top Holder

32.2%

+1.3 pts

Top 5

77.6%

+3.0 pts

Top 10

91.7%

+0.6 pts

HHI

1,690

Moderately concentrated+140

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +2

Institutional value: +48.9%

Shares held: +43.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega VANGUARD CAPITAL MANAGEMENT LLC	+118,257	358,228
Large RENAISSANCE TECHNOLOGIES LLC	+55,700	179,628
Mega JANE STREET GROUP, LLC	+13,050	25,761

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega GEODE CAPITAL MANAGEMENT, LLC	−14,023	76,208
Mid XTX Topco Ltd	−6,689	29,342
Mega WELLS FARGO & COMPANY/MN	−782	6,257
Mega UBS Group AG	−511	4,133
Mega FMR LLC	−334	0

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega TWO SIGMA INVESTMENTS, LP	175,379	$184,147
Mega CITADEL ADVISORS LLC	45,118	$47,373
Large HRT FINANCIAL LP	20,336	$21,352
Micro Ground Swell Capital, LLC	10,752	$11,289
Mega BARCLAYS PLC	42	$44

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid T3 Companies, LLC	51,500	$52,015
Small TWO SIGMA SECURITIES, LLC	15,255	$15,407
Mid Virtu Financial LLC	13,080	$13,210
Large MAI Capital Management	237	$239
Mega CITIGROUP INC	1	$1

Filter: New 7 Increased 3 Reduced 8 Sold out 5 Unchanged 10

Showing 28 of 28

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$376,139

32.21%

358,228

RENAISSANCE TECHNOLOGIES LLC

$188,609

16.15%

179,628

TWO SIGMA INVESTMENTS, LP

$184,147

15.77%

175,379

GEODE CAPITAL MANAGEMENT, LLC

$80,018

6.85%

76,208

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	5,580	$5,859	7.3%	Defined
Held directly	70,628	$74,159	92.7%	Defined

BlackRock, Inc.

$77,433

6.63%

73,746

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	73,746	$77,433	100.0%	Sole

CITADEL ADVISORS LLC

$47,373

4.06%

45,118

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	45,118	$47,373	100.0%	Defined

NEUBERGER BERMAN GROUP LLC

$33,480

2.87%

31,886

XTX Topco Ltd

$30,809

2.64%

29,342

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	29,342	$30,809	100.0%	Defined

JANE STREET GROUP, LLC

$27,048

2.32%

25,761

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	22,645	$23,777	87.9%	Defined
Jane Street Global Trading, LLC	3,116	$3,271	12.1%	Defined

VANGUARD FIDUCIARY TRUST CO

$25,216

2.16%

24,016

STATE STREET CORP

$21,570

1.85%

20,543

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	20,543	$21,570	100.0%	Defined

HRT FINANCIAL LP

$21,352

1.83%

20,336

Parallel Advisors, LLC

$13,197

1.13%

12,569

NORTHERN TRUST CORP

$12,517

1.07%

11,921

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	11,921	$12,517	100.0%	Defined

Ground Swell Capital, LLC

$11,289

0.97%

10,752

WELLS FARGO & COMPANY/MN

$6,569

0.56%

6,257

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	6,251	$6,563	99.9%	Defined
WELLS FARGO CLEARING SERVICES, LLC	6	$6	0.1%	Defined

UBS Group AG

$4,338

0.37%

4,133

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	119	$124	2.9%	Defined
UBS Securities LLC	4,014	$4,214	97.1%	Defined

Tower Research Capital LLC (TRC)

$4,183

0.36%

3,984

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,984	$4,183	100.0%	Defined

MORGAN STANLEY

$914

0.08%

871

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	871	$914	100.0%	Defined

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

$857

0.07%

817

Clean Yield Group

$438

0.04%

418

NVWM, LLC

$88

0.01%

BARCLAYS PLC

$44

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	42	$44	100.0%	Defined

SBI Securities Co., Ltd.

$34

0.00%

Allied Private Wealth LLC

$33

0.00%

VIMA LLC

$17

0.00%

ROYAL BANK OF CANADA

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Dominion Securities Inc.	9	$9	100.0%	Defined

FMR LLC

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STRATEGIC ADVISERS LLC	0	$0	—	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T3 Global Trading, LLC	51,500	$52,015	100.0%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	13,080	$13,210	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	1	$1	100.0%	Defined

Key facts CIK 1412486 CUSIP 19188J409 13F (30d) 29 filings 29 filers Visit website Investor relations