Walleye Trading
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Walleye Trading’s Magnolia Oil & Gas MGY Stock Holding History

Walleye Trading’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 		$28.4K Buy
+900
New +$24.1K ﹤0.01% 3804
2025
Q2 		– Sell
-12,400
Closed -$313K – 4528
2025
Q1 		$313K Sell
12,400
-38,300
-76% -$928K ﹤0.01% 2808
2024
Q4 		$1.19M Buy
50,700
+7,500
+17% +$195K ﹤0.01% 2041
2024
Q3 		$1.05M Buy
43,200
+8,000
+23% +$202K ﹤0.01% 2058
2024
Q2 		$892K Sell
35,200
-8,400
-19% -$214K ﹤0.01% 2151
2024
Q1 		$1.13M Buy
43,600
+6,200
+17% +$136K ﹤0.01% 2140
2023
Q4 		$796K Buy
37,400
+8,400
+29% +$184K ﹤0.01% 2677
2023
Q3 		$664K Buy
+29,000
New +$648K ﹤0.01% 2714
2023
Q2 		– Sell
-36,900
Closed -$807K – 4976
2023
Q1 		$807K Buy
+36,900
New +$819K ﹤0.01% 2395
2022
Q4 		– Sell
-12,400
Closed -$246K – 5230
2022
Q3 		$246K Buy
+12,400
New +$274K ﹤0.01% 3515
2022
Q2 		– Sell
-8,200
Closed -$194K – 5461
2022
Q1 		$194K Sell
8,200
-5,500
-40% -$121K ﹤0.01% 3820
2021
Q4 		$259K Sell
13,700
-58,700
-81% -$1.17M ﹤0.01% 3638
2021
Q3 		$1.29M Buy
72,400
+48,400
+202% +$732K ﹤0.01% 1964
2021
Q2 		$375K Buy
+24,000
New +$308K ﹤0.01% 3269

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

Walleye Trading's MGY Position: Q1 2026 in Review

Walleye Trading opened a new position in Magnolia Oil & Gas (MGY) in Q1 2026: 7,258 shares worth $229K. The stake represents ﹤0.01% of the portfolio and ranks #3043 among its holdings. This is a return to the name: Walleye Trading previously reported a position in MGY as recently as Q2 2024.

Walleye Trading first reported a position in MGY in Q1 2024 and has held it in 3 quarters since. 404 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • Walleye Trading held 7,258 shares of Magnolia Oil & Gas worth $229K as of Q1 2026.
  • Magnolia Oil & Gas was a new Walleye Trading position in Q1 2026.
  • Magnolia Oil & Gas made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #3043 holding.
  • Walleye Trading first reported a position in Magnolia Oil & Gas in Q1 2024 and has held it in 3 quarters since.
  • 404 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.