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Campbell & Co Investment Adviser’s Magnolia Oil & Gas MGY Stock Holding History

Campbell & Co Investment Adviser’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 		$7.5M Buy
237,440
+184,843
+351% +$4.95M 0.43% 27
2025
Q4 		$1.15M Buy
52,597
+16,786
+47% +$382K 0.06% 510
2025
Q3 		$855K Sell
35,811
-178,400
-83% -$4.25M 0.06% 484
2025
Q2 		$4.82M Buy
214,211
+163,804
+325% +$3.63M 0.3% 52
2025
Q1 		$1.27M Buy
+50,407
New +$1.22M 0.1% 332
2023
Q4 		– Sell
-138,293
Closed -$3.17M – 1240
2023
Q3 		$3.17M Buy
+138,293
New +$3.09M 0.38% 37
2023
Q1 		– Sell
-11,620
Closed -$272K – 943
2022
Q4 		$272K Sell
11,620
-3,636
-24% -$88.7K 0.07% 592
2022
Q3 		$302K Sell
15,256
-16,846
-52% -$373K 0.07% 479
2022
Q2 		$674K Sell
32,102
-4,422
-12% -$111K 0.18% 178
2022
Q1 		$864K Buy
36,524
+13,724
+60% +$301K 0.23% 105
2021
Q4 		$430K Sell
22,800
-29,500
-56% -$586K 0.15% 240
2021
Q3 		$930K Buy
52,300
+19,000
+57% +$287K 0.3% 76
2021
Q2 		$520K Buy
+33,300
New +$428K 0.21% 148

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

Campbell & Co Investment Adviser's MGY Position: Q1 2026 in Review

Campbell & Co Investment Adviser increased its Magnolia Oil & Gas (MGY) stake by 351% in Q1 2026, buying an estimated $4.95M and bringing the position to 237,440 shares worth $7.5M. The position accounts for 0.43% of the portfolio, ranked #27.

Campbell & Co Investment Adviser first reported a position in MGY in Q2 2021 and has held it in 13 quarters since. 405 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • Campbell & Co Investment Adviser held 237,440 shares of Magnolia Oil & Gas worth $7.5M as of Q1 2026.
  • Campbell & Co Investment Adviser bought 184,843 Magnolia Oil & Gas shares in Q1 2026, an estimated $4.95M.
  • Magnolia Oil & Gas made up 0.43% of Campbell & Co Investment Adviser's portfolio in Q1 2026, its #27 holding.
  • Campbell & Co Investment Adviser first reported a position in Magnolia Oil & Gas in Q2 2021 and has held it in 13 quarters since.
  • 405 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q1 2026, filed 15 May 2026.