CALC · CalciMedica, Inc.

$0.46 -0.01 (-1.19%) At close · Aug 28

Market Cap

$15.86M

34.14M

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: 32

Total Value: $8,645,759

Total Shares: 8,393,955

Institutional Ownership Trend

13 quarters

Holder Concentration

Across 32 13F filers · Δ vs Mar 31, 2026

Top Holder

29.7%

+13.7 pts

Top 5

85.3%

+20.3 pts

Top 10

93.5%

+7.9 pts

HHI

1,738

Moderately concentrated+761

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: +1334.6%

Shares held: +652.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega CITADEL ADVISORS LLC	+53,600	71,800
Large Rockefeller Capital Management L.P.	+15,000	20,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+13,252	43,968
Large HRT FINANCIAL LP	+7,126	46,825
Mid Tower Research Capital LLC (TRC)	+2,082	4,104

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega VANGUARD CAPITAL MANAGEMENT LLC	−80,154	88,956
Small 180 WEALTH ADVISORS, LLC	−43,100	83,400
Large RENAISSANCE TECHNOLOGIES LLC	−30,775	97,300
Mega GEODE CAPITAL MANAGEMENT, LLC	−12,905	110,477
Mid SIMPLEX TRADING, LLC	−8,093	4,723

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large Woodline Partners LP	2,489,729	$2,564,420
Small HEIGHTS CAPITAL MANAGEMENT, INC	1,556,081	$1,602,763
Small Squadron Capital Management LLC	1,244,864	$1,282,209
Small STEMPOINT CAPITAL LP	1,244,864	$1,282,209
Small Stonepine Capital Management, LLC	622,432	$641,104

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mega JANE STREET GROUP, LLC	178,515	$96,397
Mid Stonehage Fleming Financial Services Holdings Ltd	53,703	$28,999
Mid Virtu Financial LLC	17,895	$9,663
Large FIRST MANHATTAN CO. LLC.	13,226	$7,142
Micro Ground Swell Capital, LLC	12,307	$6,645

Filter: New 10 Increased 5 Reduced 7 Sold out 6 Unchanged 10

Showing 32 of 32

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Woodline Partners LP

$2,564,420

29.66%

2,489,729

HEIGHTS CAPITAL MANAGEMENT, INC

$1,602,763

18.54%

1,556,081

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

Manager	Shares	Value (USD)	% of position	Discretion
CVI Investments, Inc.	1,556,081	$1,602,763	100.0%	Other

Squadron Capital Management LLC

$1,282,209

14.83%

1,244,864

STEMPOINT CAPITAL LP

$1,282,209

14.83%

1,244,864

Stonepine Capital Management, LLC

$641,104

7.42%

622,432

L1 Global Manager Pty Ltd

$256,441

2.97%

248,972

MORGAN STANLEY

$147,541

1.71%

143,245

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	141,994	$146,253	99.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	1,251	$1,288	0.9%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$113,790

1.32%

110,477

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	19,811	$20,405	17.9%	Defined
Held directly	90,666	$93,385	82.1%	Defined

RENAISSANCE TECHNOLOGIES LLC

$100,219

1.16%

97,300

VANGUARD CAPITAL MANAGEMENT LLC

$91,624

1.06%

88,956

180 WEALTH ADVISORS, LLC

$85,902

0.99%

83,400

XTX Topco Ltd

$80,636

0.93%

78,288

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	78,288	$80,636	100.0%	Defined

CITADEL ADVISORS LLC

$73,954

0.86%

71,800

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	71,800	$73,954	100.0%	Defined

Cambridge Investment Research Advisors, Inc.

$61,800

0.71%

60,000

HRT FINANCIAL LP

$48,229

0.56%

46,825

VANGUARD FIDUCIARY TRUST CO

$47,203

0.55%

45,829

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$45,287

0.52%

43,968

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	43,968	$45,287	100.0%	Other

Rockefeller Capital Management L.P.

$20,600

0.24%

20,000

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	20,000	$20,600	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$17,993

0.21%

17,469

STATE STREET CORP

$17,585

0.20%

17,073

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	17,073	$17,585	100.0%	Defined

TritonPoint Partners, LLC

$15,572

0.18%

15,119

Scientech Research LLC

$15,558

0.18%

15,105

NORTHERN TRUST CORP

$12,905

0.15%

12,530

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	12,530	$12,905	100.0%	Defined

Sound View Wealth Advisors Group, LLC

$10,300

0.12%

10,000

SIMPLEX TRADING, LLC

$4,864

0.06%

4,723

Tower Research Capital LLC (TRC)

$4,227

0.05%

4,104

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)	4,104	$4,227	100.0%	Defined

BROWN BROTHERS HARRIMAN & CO

$317

0.00%

308

BARCLAYS PLC

$282

0.00%

274

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	274	$282	100.0%	Defined

OSAIC HOLDINGS, INC.

$110

0.00%

107

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

Manager	Shares	Value (USD)	% of position	Discretion
Osaic Advisory Services, LLC	107	$110	100.0%	Defined

SBI Securities Co., Ltd.

$89

0.00%

UBS Group AG

$16

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	16	$16	100.0%	Defined

WELLS FARGO & COMPANY/MN

$10

0.00%

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	10	$10	100.0%	Defined

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	144,691	$78,133	81.1%	Defined
Jane Street Global Trading, LLC	33,824	$18,264	18.9%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	17,895	$9,663	100.0%	Defined

Key facts CIK 1534133 CUSIP 38942Q202 13F (30d) 35 filings 33 filers Visit website Investor relations