ANTB
MGY icon

AMG National Trust Bank’s Magnolia Oil & Gas MGY Stock Holding History

AMG National Trust Bank’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 		$263K Buy
+8,320
New +$223K 0.01% 440
2024
Q4 		– Sell
-60,481
Closed -$1.48M – 459
2024
Q3 		$1.48M Sell
60,481
-5,027
-8% -$127K 0.04% 241
2024
Q2 		$1.66M Buy
65,508
+7,879
+14% +$201K 0.04% 221
2024
Q1 		$1.5M Sell
57,629
-193
-0.3% -$4.23K 0.04% 226
2023
Q4 		$1.23M Buy
57,822
+124
+0.2% +$2.71K 0.04% 250
2023
Q3 		$1.32M Buy
57,698
+730
+1% +$16.3K 0.05% 231
2023
Q2 		$1.19M Sell
56,968
-504
-0.9% -$10.4K 0.04% 247
2023
Q1 		$1.26M Buy
57,472
+11,621
+25% +$258K 0.04% 242
2022
Q4 		$1.08M Buy
45,851
+949
+2% +$23.1K 0.04% 257
2022
Q3 		$890K Buy
44,902
+272
+0.6% +$6.02K 0.03% 276
2022
Q2 		$937K Buy
44,630
+15,418
+53% +$385K 0.03% 265
2022
Q1 		$691K Sell
29,212
-65,586
-69% -$1.44M 0.02% 315
2021
Q4 		$1.79M Hold
94,798
– – 0.05% 202
2021
Q3 		$1.69M Sell
94,798
-21,983
-19% -$332K 0.05% 207
2021
Q2 		$1.82M Buy
116,781
+1,184
+1% +$15.2K 0.06% 197
2021
Q1 		$1.33M Buy
115,597
+596
+0.5% +$6.21K 0.04% 226
2020
Q4 		$812K Sell
115,001
-56
-0% -$334 0.03% 283
2020
Q3 		$595K Sell
115,057
-1,911
-2% -$11.9K 0.02% 296
2020
Q2 		$709K Buy
116,968
+211
+0.2% +$1.15K 0.03% 273
2020
Q1 		$467K Buy
+116,757
New +$1M 0.04% 180

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

AMG National Trust Bank's MGY Position: Q1 2026 in Review

AMG National Trust Bank opened a new position in Magnolia Oil & Gas (MGY) in Q1 2026: 8,320 shares worth $263K. The stake represents 0.01% of the portfolio and ranks #440 among its holdings. This is a return to the name: AMG National Trust Bank previously reported a position in MGY as recently as Q3 2024.

AMG National Trust Bank first reported a position in MGY in Q1 2020 and has held it in 20 quarters since. The position peaked at $1.82M in Q2 2021. 405 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • AMG National Trust Bank held 8,320 shares of Magnolia Oil & Gas worth $263K as of Q1 2026.
  • Magnolia Oil & Gas was a new AMG National Trust Bank position in Q1 2026.
  • Magnolia Oil & Gas made up 0.01% of AMG National Trust Bank's portfolio in Q1 2026, its #440 holding.
  • AMG National Trust Bank first reported a position in Magnolia Oil & Gas in Q1 2020 and has held it in 20 quarters since.
  • AMG National Trust Bank's Magnolia Oil & Gas position peaked at $1.82M in Q2 2021.
  • 405 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on AMG National Trust Bank's 13F filing for Q1 2026, filed 4 May 2026.