Jane Street
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Jane Street’s CalciMedica CALC Stock Holding History

Jane Street’s Portfolio CALC Stock Details CALC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q3 		– Sell
-2,229
Closed -$169K – 9957
2021
Q2 		$169K Buy
+2,229
New +$146K ﹤0.01% 8952

Other funds holding CALC

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
1WA
180 Wealth Advisors Federal Way, Washington $997M AUM 47.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $38.8B AUM 21.88% 1-Year Est. Return
SFFS
Stonehage Fleming Financial Services St. Helier, Jersey $2.75B AUM 13.81% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.61B AUM 28.28% 1-Year Est. Return

Jane Street's CALC Position: Q1 2026 in Review

Jane Street increased its CalciMedica (CALC) stake by 830% in Q1 2026, buying an estimated $323K and bringing the position to 178,515 shares worth $96.4K. The position accounts for ﹤0.01% of the portfolio, ranked #10671.

Jane Street first reported a position in CALC in Q1 2021 and has held it in 5 quarters since. The position peaked at $127K in Q4 2025. 27 funds tracked by Wall St. Rank hold CALC as of Q1 2026.

  • Jane Street held 178,515 shares of CalciMedica worth $96.4K as of Q1 2026.
  • Jane Street bought 159,312 CalciMedica shares in Q1 2026, an estimated $323K.
  • CalciMedica made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10671 holding.
  • Jane Street first reported a position in CalciMedica in Q1 2021 and has held it in 5 quarters since.
  • Jane Street's CalciMedica position peaked at $127K in Q4 2025.
  • 27 funds tracked by Wall St. Rank held CalciMedica as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.