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GW&K Investment Management’s Magnolia Oil & Gas MGY Stock Holding History

GW&K Investment Management’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 		$97.3M Sell
3,081,264
-88,232
-3% -$2.36M 0.86% 21
2025
Q4 		$69.4M Buy
3,169,496
+404,402
+15% +$9.2M 0.6% 36
2025
Q3 		$66M Sell
2,765,094
-288,218
-9% -$6.87M 0.58% 51
2025
Q2 		$68.6M Sell
3,053,312
-371,529
-11% -$8.23M 0.61% 42
2025
Q1 		$86.5M Sell
3,424,841
-59,314
-2% -$1.44M 0.8% 19
2024
Q4 		$81.5M Sell
3,484,155
-42,361
-1% -$1.1M 0.69% 29
2024
Q3 		$86.1M Sell
3,526,516
-110,660
-3% -$2.79M 0.74% 24
2024
Q2 		$92.2M Sell
3,637,176
-55,870
-2% -$1.43M 0.84% 15
2024
Q1 		$95.8M Sell
3,693,046
-45,262
-1% -$993K 0.84% 15
2023
Q4 		$79.6M Sell
3,738,308
-100,163
-3% -$2.19M 0.74% 22
2023
Q3 		$87.9M Sell
3,838,471
-48,829
-1% -$1.09M 0.88% 12
2023
Q2 		$81.2M Sell
3,887,300
-34,053
-0.9% -$704K 0.77% 23
2023
Q1 		$85.8M Buy
3,921,353
+60,156
+2% +$1.34M 0.83% 19
2022
Q4 		$90.5M Sell
3,861,197
-55,979
-1% -$1.36M 0.92% 12
2022
Q3 		$77.6M Sell
3,917,176
-724,372
-16% -$16M 0.86% 19
2022
Q2 		$97.4M Buy
4,641,548
+1,164,794
+34% +$29.1M 1.05% 7
2022
Q1 		$82.2M Sell
3,476,754
-2,284
-0.1% -$50.1K 0.73% 28
2021
Q4 		$65.6M Sell
3,479,038
-45,046
-1% -$894K 0.55% 58
2021
Q3 		$62.7M Buy
3,524,084
+20,013
+0.6% +$303K 0.56% 53
2021
Q2 		$54.8M Buy
3,504,071
+955,838
+38% +$12.3M 0.48% 70
2021
Q1 		$29.3M Buy
+2,548,233
New +$26.5M 0.27% 161

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

GW&K Investment Management's MGY Position: Q1 2026 in Review

GW&K Investment Management reduced its Magnolia Oil & Gas (MGY) stake by 2.8% in Q1 2026, selling an estimated $2.36M and leaving 3,081,264 shares worth $97.3M. The position accounts for 0.86% of the portfolio, ranked #21.

GW&K Investment Management first reported a position in MGY in Q1 2021 and has held it in 21 quarters since. The position peaked at $97.4M in Q2 2022. 405 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • GW&K Investment Management held 3,081,264 shares of Magnolia Oil & Gas worth $97.3M as of Q1 2026.
  • GW&K Investment Management sold 88,232 Magnolia Oil & Gas shares in Q1 2026, an estimated $2.36M.
  • Magnolia Oil & Gas made up 0.86% of GW&K Investment Management's portfolio in Q1 2026, its #21 holding.
  • GW&K Investment Management first reported a position in Magnolia Oil & Gas in Q1 2021 and has held it in 21 quarters since.
  • GW&K Investment Management's Magnolia Oil & Gas position peaked at $97.4M in Q2 2022.
  • 405 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on GW&K Investment Management's 13F filing for Q1 2026, filed 13 May 2026.