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 		$119K Sell
13,910
-3,319
-19% -$32.6K ﹤0.01% 10538
2025
Q4 		$177K Sell
17,229
-22,913
-57% -$230K ﹤0.01% 9824
2025
Q3 		$405K Buy
40,142
+14,948
+59% +$152K ﹤0.01% 8293
2025
Q2 		$240K Buy
+25,194
New +$228K ﹤0.01% 8232
2024
Q4 		– Sell
-14,422
Closed -$117K – 10106
2024
Q3 		$117K Buy
+14,422
New +$115K ﹤0.01% 8929
2024
Q2 		– Sell
-216,834
Closed -$1.72M – 9869
2024
Q1 		$1.72M Buy
216,834
+129,369
+148% +$1.16M ﹤0.01% 4402
2023
Q4 		$862K Buy
87,465
+75,515
+632% +$628K ﹤0.01% 5821
2023
Q3 		$83.9K Sell
11,950
-13,379
-53% -$110K ﹤0.01% 8026
2023
Q2 		$200K Sell
25,329
-42,212
-62% -$289K ﹤0.01% 7677
2023
Q1 		$518K Buy
+67,541
New +$543K ﹤0.01% 6260
2022
Q3 		– Sell
-10,997
Closed -$70K – 10144
2022
Q2 		$70K Sell
10,997
-8,543
-44% -$65.2K ﹤0.01% 8806
2022
Q1 		$166K Buy
+19,540
New +$151K ﹤0.01% 9158
2020
Q4 		– Sell
-25,713
Closed -$64K – 7859
2020
Q3 		$64K Sell
25,713
-41,892
-62% -$123K ﹤0.01% 6870
2020
Q2 		$179K Buy
+67,605
New +$162K ﹤0.01% 6439
2015
Q4 		– Sell
-10,479
Closed -$79K – 4276
2015
Q3 		$79K Sell
10,479
-10,917
-51% -$86.6K ﹤0.01% 3399
2015
Q2 		$179K Buy
+21,396
New +$213K ﹤0.01% 3306
2014
Q1 		– Sell
-10,141
Closed -$146K – 2913
2013
Q4 		$146K Buy
+10,141
New +$158K ﹤0.01% 2111

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.