MGY Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Ropp Ralph Lewis Director 2026-08-07 5,000 $123,125
Khani David M. Director 2026-08-07 8,000 $200,000

How Institutional Funds Moved on MGY

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
Sixth Street Partners Management Company, L.P. Sixth Street Partners Management Company, L.P. opened a new position worth $66,973,658. 2026-06-30
DIMENSIONAL FUND ADVISORS LP DIMENSIONAL FUND ADVISORS LP increased this position by 24% ($136,200,828 -> $169,039,112). 2026-06-30
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC reduced this position by 38% ($53,725,889 -> $33,174,753). 2026-06-30
Epoch Investment Partners, Inc. Epoch Investment Partners, Inc. increased this position by 2382886% ($3,788 -> $90,267,523). 2026-06-30
SYSTEMATIC FINANCIAL MANAGEMENT LP SYSTEMATIC FINANCIAL MANAGEMENT LP increased this position by 2781% ($2,389,210 -> $68,831,764). 2026-06-30
ALLIANCEBERNSTEIN L.P. ALLIANCEBERNSTEIN L.P. increased this position by 34% ($97,437,687 -> $130,145,241). 2026-06-30
TD Asset Management Inc TD Asset Management Inc reduced this position by 35% ($156,018,277 -> $100,635,813). 2026-06-30
AMERICAN CENTURY COMPANIES INC AMERICAN CENTURY COMPANIES INC reduced this position by 15% ($331,776,745 -> $281,673,112). 2026-06-30

Which Funds Hold MGY

Largest reported positions as of 2026-06-30.

FundValueShares
VANGUARD PORTFOLIO MANAGEMENT LLC $392,427,922 15,341,201
AMERICAN CENTURY COMPANIES INC $281,673,112 11,011,458
VANGUARD CAPITAL MANAGEMENT LLC $196,026,268 7,663,263
DIMENSIONAL FUND ADVISORS LP $169,039,112 6,608,253
Jupiter Topco LLC $148,163,478 5,792,161
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $139,756,995 5,463,526
ALLIANCEBERNSTEIN L.P. $130,145,241 4,122,434
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $110,300,000 4,311,973
TD Asset Management Inc $100,635,813 3,934,160
Epoch Investment Partners, Inc. $90,267,523 3,528,832

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Renaissance Technologies LLC: 13F Portfolio Moves Tracked Quarterly

Summary of Renaissance Technologies LLC portfolio increases for the quarter ending 2026-06-30, highlighting positions like Intel, AutoZone, McKesson, and Five Below.

Quarter Ending 2026-06-30 During the quarter ending 2026-06-30, Renaissance Technologies LLC filed a 13F showing broad-based increases across a wide range of existing holdings, with no reductions listed among the disclosed moves. The most dramatic percentage changes came from smaller starting positions that were scaled up substantially, including Five Below Inc (FIVE), up 16855% to … Read more