At the end of Q1 2026, 27 institutions reported holding Calcimedica Inc. (CALC) in their 13F filings, down 4 from Q4 2025. 9 opened new positions and 13 sold out. The largest holders were Jane Street Group, LLC ($96K), Vanguard Capital Management LLC ($91K) and Renaissance Technologies ($69K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
Company
Calcimedica Inc.
CUSIP
38942Q202
Latest filing quarter
Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
Institutions
Total Value
New Positions
9
$116K
Exits
13
$18.7M
All 13F filers, Q4 2025 → Q1 2026: 533,637 shares bought and 2,860,181 shares sold, net −2,326,544 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.