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
2025
Q2 		– Sell
-900
Closed -$22.7K – 4529
2025
Q1 		$22.7K Sell
900
-4,600
-84% -$112K ﹤0.01% 3774
2024
Q4 		$129K Sell
5,500
-800
-13% -$20.8K ﹤0.01% 3445
2024
Q3 		$154K Buy
6,300
+6,100
+3,050% +$154K ﹤0.01% 3160
2024
Q2 		$5.07K Hold
200
– – ﹤0.01% 3961
2024
Q1 		$5.19K Sell
200
-16,000
-99% -$351K ﹤0.01% 4416
2023
Q4 		$345K Sell
16,200
-8,400
-34% -$184K ﹤0.01% 3391
2023
Q3 		$564K Buy
+24,600
New +$550K ﹤0.01% 2856
2023
Q2 		– Sell
-7,400
Closed -$162K – 4977
2023
Q1 		$162K Buy
+7,400
New +$164K ﹤0.01% 3649
2022
Q4 		– Sell
-600
Closed -$12K – 5231
2022
Q3 		$12K Buy
+600
New +$13.3K ﹤0.01% 4512
2022
Q2 		– Sell
-5,600
Closed -$132K – 5462
2022
Q1 		$132K Sell
5,600
-3,800
-40% -$83.4K ﹤0.01% 4097
2021
Q4 		$177K Sell
9,400
-19,600
-68% -$389K ﹤0.01% 3994
2021
Q3 		$516K Buy
29,000
+22,400
+339% +$339K ﹤0.01% 2879
2021
Q2 		$103K Buy
+6,600
New +$84.8K ﹤0.01% 4360

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.