Jane Street
MGY icon

Jane Street’s Magnolia Oil & Gas MGY Stock Holding History

Jane Street’s Portfolio MGY Stock Details MGY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$436K Buy
+13,800
New +$369K ﹤0.01% 8380
2024
Q2 		– Sell
-13,200
Closed -$343K – 9873
2024
Q1 		$343K Sell
13,200
-8,200
-38% -$180K ﹤0.01% 7340
2023
Q4 		$456K Buy
21,400
+2,400
+13% +$52.5K ﹤0.01% 6914
2023
Q3 		$435K Sell
19,000
-4,100
-18% -$91.6K ﹤0.01% 6495
2023
Q2 		$483K Buy
23,100
+9,700
+72% +$201K ﹤0.01% 6368
2023
Q1 		$293K Buy
13,400
+4,400
+49% +$97.7K ﹤0.01% 7240
2022
Q4 		$211K Sell
9,000
-21,500
-70% -$524K ﹤0.01% 7594
2022
Q3 		$604K Buy
+30,500
New +$675K ﹤0.01% 6334
2022
Q2 		– Sell
-27,900
Closed -$660K – 10411
2022
Q1 		$660K Buy
27,900
+13,900
+99% +$305K ﹤0.01% 6968
2021
Q4 		$264K Sell
14,000
-3,200
-19% -$63.5K ﹤0.01% 8404
2021
Q3 		$306K Sell
17,200
-8,700
-34% -$132K ﹤0.01% 8141
2021
Q2 		$405K Buy
25,900
+4,200
+19% +$53.9K ﹤0.01% 7638
2021
Q1 		$249K Sell
21,700
-18,400
-46% -$192K ﹤0.01% 7954
2020
Q4 		$283K Buy
+40,100
New +$239K ﹤0.01% 6496

Other funds holding MGY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Jane Street's MGY Position: Q1 2026 in Review

Jane Street reduced its Magnolia Oil & Gas (MGY) stake by 23% in Q1 2026, selling an estimated $2.25M and leaving 277,770 shares worth $8.77M. The position accounts for ﹤0.01% of the portfolio, ranked #2697.

Jane Street first reported a position in MGY in Q3 2019 and has held it in 26 quarters since. The position peaked at $26.8M in Q1 2025. 405 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • Jane Street held 277,770 shares of Magnolia Oil & Gas worth $8.77M as of Q1 2026.
  • Jane Street sold 84,093 Magnolia Oil & Gas shares in Q1 2026, an estimated $2.25M.
  • Magnolia Oil & Gas made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2697 holding.
  • Jane Street first reported a position in Magnolia Oil & Gas in Q3 2019 and has held it in 26 quarters since.
  • Jane Street's Magnolia Oil & Gas position peaked at $26.8M in Q1 2025.
  • 405 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

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