Jane Street
MED icon

Jane Street’s Medifast MED Stock Holding History

Jane Street’s Portfolio MED Stock Details MED Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.29M Buy
+126,407
New +$1.36M ﹤0.01% 5955
2025
Q1 		– Sell
-110,917
Closed -$1.67M – 10146
2024
Q4 		$1.95M Sell
110,917
-50,172
-31% -$931K ﹤0.01% 4148
2024
Q3 		$3.08M Sell
161,089
-101,761
-39% -$1.96M ﹤0.01% 3675
2024
Q2 		$5.74M Buy
262,850
+244,253
+1,313% +$6.51M ﹤0.01% 2776
2024
Q1 		$713K Sell
18,597
-4,667
-20% -$226K ﹤0.01% 6051
2023
Q4 		$1.56M Sell
23,264
-17,529
-43% -$1.22M ﹤0.01% 4762
2023
Q3 		$3.05M Buy
40,793
+21,659
+113% +$1.92M ﹤0.01% 3342
2023
Q2 		$1.76M Buy
19,134
+9,982
+109% +$889K ﹤0.01% 4349
2023
Q1 		$949K Buy
9,152
+6,244
+215% +$692K ﹤0.01% 5093
2022
Q4 		$335K Sell
2,908
-2,093
-42% -$244K ﹤0.01% 6824
2022
Q3 		$542K Buy
5,001
+2,972
+146% +$426K ﹤0.01% 6549
2022
Q2 		$366K Buy
+2,029
New +$363K ﹤0.01% 7271
2022
Q1 		– Sell
-2,806
Closed -$588K – 10735
2021
Q4 		$588K Sell
2,806
-8,353
-75% -$1.73M ﹤0.01% 6954
2021
Q3 		$2.15M Buy
11,159
+5,688
+104% +$1.4M ﹤0.01% 4337
2021
Q2 		$1.55M Sell
5,471
-13,846
-72% -$3.75M ﹤0.01% 4856
2021
Q1 		$4.09M Buy
+19,317
New +$4.62M ﹤0.01% 2702
2020
Q4 		– Sell
-3,413
Closed -$603K – 7853
2020
Q3 		$561K Buy
+3,413
New +$562K ﹤0.01% 4972
2020
Q1 		– Sell
-9,419
Closed -$1.03M – 5719
2019
Q4 		$1.03M Buy
9,419
+3,449
+58% +$334K ﹤0.01% 2735
2019
Q3 		$618K Buy
5,970
+648
+12% +$69.6K ﹤0.01% 3266
2019
Q2 		$683K Buy
+5,322
New +$739K ﹤0.01% 3186
2019
Q1 		– Sell
-1,771
Closed -$221K – 5380
2018
Q4 		$221K Buy
+1,771
New +$303K ﹤0.01% 4390
2018
Q2 		– Sell
-2,395
Closed -$224K – 5359
2018
Q1 		$224K Buy
+2,395
New +$179K ﹤0.01% 4349
2013
Q4 		– Sell
-11,052
Closed -$297K – 2683
2013
Q3 		$297K Buy
+11,052
New +$296K ﹤0.01% 2099

Other funds holding MED

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
SCP
Steamboat Capital Partners Rye, New York $403M AUM 43.57% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Man Group
Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return

Jane Street's MED Position: Q1 2026 in Review

Jane Street opened a new position in Medifast (MED) in Q1 2026: 126,407 shares worth $1.29M. The stake represents ﹤0.01% of the portfolio and ranks #5955 among its holdings. This is a return to the name: Jane Street previously reported a position in MED as recently as Q4 2024.

Jane Street first reported a position in MED in Q3 2013 and has held it in 23 quarters since. The position peaked at $5.74M in Q2 2024. 111 funds tracked by Wall St. Rank hold MED as of Q1 2026.

  • Jane Street held 126,407 shares of Medifast worth $1.29M as of Q1 2026.
  • Medifast was a new Jane Street position in Q1 2026.
  • Medifast made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5955 holding.
  • Jane Street first reported a position in Medifast in Q3 2013 and has held it in 23 quarters since.
  • Jane Street's Medifast position peaked at $5.74M in Q2 2024.
  • 111 funds tracked by Wall St. Rank held Medifast as of Q1 2026.

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