CALCIMEDICA INC (CALC) Institutional Ownership Changes & 13F Activity

CALCIMEDICA INC (CALC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Woodline Partners Lp, Heights Capital Management, Inc, Squadron Capital Management Llc, Stempoint Capital Lp, and Stonepine Capital Management, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Stonepine Capital Management, LlcBuy+622,432622,432$544.94KQ2 2026Aug 17, 2026
Woodline Partners LpBuy+2,489,7292,489,729$2.56MQ2 2026Aug 14, 2026
Heights Capital Management, IncBuy+1,556,0811,556,081$1.60MQ2 2026Aug 14, 2026
Squadron Capital Management LlcBuy+1,244,8641,244,864$1.28MQ2 2026Aug 14, 2026
Stempoint Capital LpBuy+1,244,8641,244,864$1.20MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+78,28878,288$80.64KQ2 2026Aug 14, 2026
Scientech Research LlcBuy+15,10515,105$15.56KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+13,252+43.1%43,968$45.29KQ2 2026Aug 14, 2026
Hrt Financial LpBuy+7,126+18.0%46,825$48.00KQ2 2026Aug 14, 2026
Barclays PlcBuy+274274$282.00Q2 2026Aug 14, 2026
L1 Global Manager Pty LtdBuy+248,972248,972$256.44KQ2 2026Aug 13, 2026
Morgan StanleyBuy+143,245143,245$147.54KQ2 2026Aug 13, 2026
Vanguard Capital Management LlcSell-80,154-47.4%88,956$91.63KQ2 2026Aug 13, 2026
Renaissance Technologies LLCSell-30,775-24.0%97,300$100.22KQ2 2026Aug 13, 2026
Rockefeller Capital Management L.P.Buy+15,000+300.0%20,000$20.60KQ2 2026Aug 13, 2026
Ubs Group AgSell-1-5.9%16$16.00Q2 2026Aug 13, 2026
Geode Capital Management, LlcSell-12,905-10.5%110,477$113.85KQ2 2026Aug 12, 2026
Simplex Trading, LlcSell-8,093-63.1%4,723$4.86KQ2 2026Aug 12, 2026
Tower Research Capital Llc (Trc)Buy+2,082+103.0%4,104$4.23KQ2 2026Aug 11, 2026
Gsa Capital Partners LlpSell-6,308-26.5%17,469$18.00KQ2 2026Aug 06, 2026
180 Wealth Advisors, LlcSell-43,100-34.1%83,400$85.90KQ2 2026Jul 07, 2026
First Manhattan Co. Llc.Sell-13,226-100.0%0$0.00Q2 2026May 15, 2026
Virtu Financial LlcSell-17,895-100.0%0$0.00Q2 2026May 14, 2026
Stonehage Fleming Financial Services Holdings LtdSell-53,703-100.0%0$0.00Q2 2026May 13, 2026
Jane Street Group, LlcSell-178,515-100.0%0$0.00Q2 2026May 12, 2026
Bnp Paribas Financial MarketsSell-3-100.0%0$0.00Q2 2026May 12, 2026
Ground Swell Capital, LlcSell-12,307-100.0%0$0.00Q2 2026Apr 21, 2026
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Frequently asked questions about CALC activity

  • Which institutional owners are buying CALC?

    Institutional owners buying CALC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CALC activity?

    "Buy" means an investor increased their reported position in CALC compared to the prior reporting period. This reflects growing exposure to CALCIMEDICA INC (CALC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CALC increasing?

    Institutional interest in CALC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.