$CALC

$1.31 +$0.01 (0.77%) Close

$CALC Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 34.1M shares outstanding

Who owns CALC?

By type of holder

Institutions 19.7% Insiders 80.3% Everyone else 0.0%

Concentration Top 10 holders own 110.9%

Alafi Capital Company LLC 21.2% · Middleton Fred A 20.0%

Institutional ownership

19.7%

+16.5 pts vs last qtr

Institutional holders

+2 vs last qtr

Net shares bought

+5.6M

by institutions in Q2 2026

New / sold out

9 / 7

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Woodline Partners LP NEW +2.5M
Stempoint Capital LP NEW +1.2M

Biggest sellers in Q2 2026

Jane Street Group, LLC SOLD OUT −178.5K
Vanguard Capital Management LLC −80.2K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for CalciMedica Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+18152.0%

+467.24% a year

Each share's claim on the business

−99.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $19.1M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years6% Under 1 year94%

Quarterly turnover

300.6%

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting CALC on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
WP Woodline Partners LP	2.5M	7.29%	NEW	Q2 '26	0.0%
Shares held by quarter Peak holding2.5M (Q2'26) Change over 8 quarters+2.5M Share of the company7.290% Woodline Partners LP's full portfolio →
SC Stempoint Capital LP	1.2M	3.65%	NEW	Q2 '26	0.2%
Shares held by quarter Peak holding1.2M (Q2'26) Change over 8 quarters+1.2M Share of the company3.650% Stempoint Capital LP's full portfolio →

Woodline Partners LP

2.5M

% of company

7.29%

Change vs last qtr

NEW

Held since

Q2 '26

Stempoint Capital LP

1.2M

% of company

3.65%

Change vs last qtr

NEW

Held since

Q2 '26

28 more super investors behind a free account

See every manager holding CalciMedica Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CALC on Form N-PORT; together they hold 0.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$91.6K	89.0K	0.26%	0.00%	June 30, 2026
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$53.7K	65.7K	0.19%	0.00%	May 31, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$91.6K

% of company

0.26%

% of the fund

0.00%

As of

June 30, 2026

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$53.7K

% of company

0.19%

% of the fund

0.00%

As of

May 31, 2026

4 more funds behind a free account

See every fund holding CalciMedica Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
AC Alafi Capital Company LLC 5%+ holder 13D · 19.9%	7.2M	21.15%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company21.150% Disclosed stake13D · 19.9% View the 13D/G filing →
MF Middleton Fred A Insider	6.8M	20.03%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company20.030% Middleton Fred A's insider activity →

Alafi Capital Company LLC

5%+ holder13D · 19.9%

7.2M

% of company

21.15%

Change vs last qtr

—

Held since

—

Middleton Fred A

Insider

6.8M

% of company

20.03%

Change vs last qtr

—

Held since

—

13 more holders behind a free account

See every insider and 5%+ holder of CalciMedica Inc.

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