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CALC CALCIMEDICA INC

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COM NEW (common), issuer CIK 1534133

30 managers (31 13F filers) reported a position in CALC shares at 2026-06-30, 8,322,155 shares in all. 10 filers opened a position and 6 filers sold out during the quarter.

Managers
30
13F filers
31
New
10
Added
4
Reduced
7
Sold out
6
Shares held by filers
8,322,155

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Woodline Partners LP2,489,729$2.56M0.01%new13F-HRTimeline
HEIGHTS CAPITAL MANAGEMENT, INCin group HEIGHTS CAPITAL MANAGEMENT, I…1,556,081$1.6M0.37%new13F-HRTimelineGroup
Squadron Capital Management LLC1,244,864$1.28M0.44%new13F-HRTimeline
STEMPOINT CAPITAL LP1,244,864$1.2M0.21%new13F-HRTimeline
Stonepine Capital Management, LLC622,432$545K0.41%new13F-HR/ATimeline
L1 Global Manager Pty Ltd248,972$256K0.21%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY143,245$148K<0.01%new13F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding134,785$139K-80,154Timeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC110,477$114K<0.01%-12,90513F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC97,300$100K<0.01%-30,77513F-HRTimeline
180 WEALTH ADVISORS, LLC83,400$85.9K0.01%-43,10013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd78,288$80.6K<0.01%new13F-HRTimelineGroup
Cambridge Investment Research Advisors,…60,000$62K<0.01%013F-HR/ATimeline
HRT FINANCIAL LP46,825$48K<0.01%+7,12613F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…43,968$45.3K<0.01%+13,25213F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…20,000$20.6K<0.01%+15,00013F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP17,469$18K<0.01%-6,30813F-HRTimeline
STATE STREET CORPin group STATE STREET CORP17,073$17.6K<0.01%013F-HRTimelineGroup
TritonPoint Partners, LLCin group TritonPoint Partners, LLC15,119$15.6K<0.01%013F-HRTimelineGroup
Scientech Research LLC15,105$15.6K0.01%new13F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP12,530$12.9K<0.01%013F-HRTimelineGroup
Sound View Wealth Advisors Group, LLC10,000$10.3K<0.01%013F-HRTimeline
SIMPLEX TRADING, LLC4,723$4.86K<0.01%-8,09313F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,104$4.23K<0.01%+2,08213F-HRTimelineGroup
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO308$317<0.01%013F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC274$282<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.107$110<0.01%013F-HRTimelineGroup
SBI Securities Co., Ltd.87$90<0.01%013F-HRTimeline
UBS Group AGin group UBS Group AG16$16<0.01%-113F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN10$10<0.01%013F-HRTimelineGroup