Which hedge funds own MGY? MAGNOLIA OIL & GAS CORP, Q2 2026 13F holders
37 tracked hedge funds disclosed a position in MGY (MAGNOLIA OIL & GAS CORP) in their Q2 2026 13F filings, worth $317.3m in total. The largest holder by portfolio weight is SIR Capital Management, L.P. at 0.7% of its book. 13 opened a new position this quarter: MQS Management LLC, Aventail Capital Group, LP, iSAM Funds (UK) Ltd, Ares Systematic Credit Ltd. 12 exited: Campbell & CO Investment Adviser LLC, Seven Grand Managers, LLC, Qsemble Capital Management, LP.
- 37
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 13
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 12
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $20.7m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $39.5m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $317m
- Combined value Sum of the holders' reported positions in the security.
- 3.0%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Campbell & CO Investment Adviser LLC | 0.4% | $7.5m |
| Seven Grand Managers, LLC | 0.3% | $4.7m |
| Qsemble Capital Management, LP | 0.3% | $3.8m |
| Gsa Capital Partners LLP | 0.10% | $1.5m |
| Y-Intercept (Hong Kong) Ltd | 0.09% | $4.8m |
| FORA Capital, LLC | 0.09% | $1.2m |
| Centiva Capital, LP | 0.04% | $794k |
| Mangrove Partners IM, LLC | 0.03% | $317k |
| Tudor Investment Corp ET AL | 0.02% | $3.0m |
| Citadel Advisors LLC | 0.01% | $11.5m |
| Engineers Gate Manager LP | 0.0% | $267k |
| Bayforest Capital Ltd | 0.0% | $2.5k |
Ownership over time
Who discovered MGY first? Beta
The run: Q3 2020 → Q1 2026, +511%
| SIR Capital Management, L.P. | Q2 2020 | 1.6% | +3.0 pts |
| Wildcat Capital Management, LLC | Q3 2019 | 0.4% | −2.1 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.