# MAGNOLIA OIL & GAS CORP CL A

MAGNOLIA OIL & GAS CORP CL A is a security (CUSIP 559663109) tracked across SEC portfolio filings. 423 institutional managers reported $5.7B on Form 13F as of 2026-06-30; 38 registered fund positions totaling $343.3M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MAGNOLIA OIL & GAS CORP
- Class: CL A
- CUSIP: 559663109
- Asset category: EC
- 13F holders: 423
- 13F value: $5.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 38
- N-PORT value: $343.3M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 423 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $931.0M | 29,491,149 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $430.0M | 19,644,960 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $331.8M | 10,509,240 |
| STATE STREET CORP | BOSTON, MA | $299.8M | 9,496,275 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $221.9M | 7,028,781 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $198.2M | 6,279,636 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $197.7M | 6,263,808 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | PHILADELPHIA, PA | $157.0M | 4,972,261 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $143.3M | 4,538,112 |
| [Epoch Investment Partners, Inc.](https://search.stillhousedata.com/firm/131556) | New York, NY | $135.0M | 4,275,509 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $122.4M | 3,877,361 |
| TD Asset Management Inc | Toronto, A6 | $100.6M | 3,934,160 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $98.9M | 3,131,348 |
| VICTORY CAPITAL MANAGEMENT INC | San Antonio, TX | $97.6M | 3,091,053 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $97.4M | 4,451,242 |

## Top fund holders (N-PORT)

_Showing 15 of 38 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $69.5M | 75.40% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $42.0M | 5.15% |
| [Janus Henderson Venture Fund](https://search.stillhousedata.com/fund/S000010488) | JANUS INVESTMENT FUND | $37.9M | 123.71% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $34.8M | 15.96% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $25.4M | 14.52% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $16.3M | 20.14% |
| [Boston Trust SMID Cap Fund](https://search.stillhousedata.com/fund/S000034664) | Boston Trust Walden Funds | $15.3M | 220.00% |
| [Heartland Value Plus Fund](https://search.stillhousedata.com/fund/S000003524) | HEARTLAND GROUP INC. | $13.6M | 462.22% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $11.2M | 14.97% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $9.3M | 19.23% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $8.9M | 20.49% |
| [abrdn U.S. Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000020297) | abrdn Funds | $8.4M | 224.63% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $8.1M | 26.63% |
| [AB Small Cap Value Portfolio](https://search.stillhousedata.com/fund/S000045542) | AB CAP FUND, INC. | $7.2M | 121.11% |
| [HARTFORD SMALL CAP GROWTH HLS FUND](https://search.stillhousedata.com/fund/S000004108) | HARTFORD HLS SERIES FUND II INC | $5.5M | 71.84% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/559663109.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.