Jane Street
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Jane Street’s Medallion Financial MFIN Stock Holding History

Jane Street’s Portfolio MFIN Stock Details MFIN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-22,300
Closed -$229K – 12434
2025
Q4 		$229K Buy
22,300
+2,200
+11% +$22K ﹤0.01% 9436
2025
Q3 		$203K Buy
+20,100
New +$205K ﹤0.01% 9664

Other funds holding MFIN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
Tieton Capital Management Yakima, Washington $299M AUM 54.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UIC
Uniplan Investment Counsel Milwaukee, Wisconsin $974M AUM 21.37% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return
DLP
De Lisle Partners Poole, United Kingdom $836M AUM 58.41% 1-Year Est. Return

Jane Street's MFIN Position: Q1 2026 in Review

Jane Street reduced its Medallion Financial (MFIN) stake by 19% in Q1 2026, selling an estimated $32.6K and leaving 13,910 shares worth $119K. The position accounts for ﹤0.01% of the portfolio, ranked #10538.

Jane Street first reported a position in MFIN in Q4 2013 and has held it in 17 quarters since. The position peaked at $1.72M in Q1 2024. 95 funds tracked by Wall St. Rank hold MFIN as of Q1 2026.

  • Jane Street held 13,910 shares of Medallion Financial worth $119K as of Q1 2026.
  • Jane Street sold 3,319 Medallion Financial shares in Q1 2026, an estimated $32.6K.
  • Medallion Financial made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10538 holding.
  • Jane Street first reported a position in Medallion Financial in Q4 2013 and has held it in 17 quarters since.
  • Jane Street's Medallion Financial position peaked at $1.72M in Q1 2024.
  • 95 funds tracked by Wall St. Rank held Medallion Financial as of Q1 2026.

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