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Woodline Partners’s Magnolia Oil & Gas MGY Stock Holding History

Woodline Partners’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 		– Sell
-169,213
Closed -$3.7M – 1112
2025
Q4 		$3.7M Sell
169,213
-473,971
-74% -$10.8M 0.01% 682
2025
Q3 		$15.4M Sell
643,184
-1,667,232
-72% -$39.8M 0.07% 337
2025
Q2 		$51.9M Buy
2,310,416
+2,112,306
+1,066% +$46.8M 0.27% 90
2025
Q1 		$5M Buy
+198,110
New +$4.8M 0.03% 512

Other funds holding MGY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Woodline Partners's MGY Position: Q1 2026 in Review

Woodline Partners sold out of Magnolia Oil & Gas (MGY) in Q1 2026, closing a stake of 169,213 shares — an estimated $3.7M sold.

Woodline Partners first reported a position in MGY in Q1 2025 and held it in 4 quarters. The position peaked at $51.9M in Q2 2025. 405 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • Woodline Partners reported no remaining Magnolia Oil & Gas position as of Q1 2026 after selling out during the quarter.
  • Woodline Partners sold 169,213 Magnolia Oil & Gas shares in Q1 2026, an estimated $3.7M.
  • Woodline Partners first reported a position in Magnolia Oil & Gas in Q1 2025 and held it in 4 quarters.
  • Woodline Partners's Magnolia Oil & Gas position peaked at $51.9M in Q2 2025.
  • 405 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.