# Riley Exploration Permain COM

Riley Exploration Permain COM is a security (CUSIP 76665T102) tracked across SEC portfolio filings. 185 institutional managers reported $536.3M on Form 13F as of 2026-06-30; 17 registered fund positions totaling $20.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Riley Exploration Permain
- Class: COM
- CUSIP: 76665T102
- Asset category: EC
- 13F holders: 185
- 13F value: $536.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 17
- N-PORT value: $20.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 185 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Yorktown Energy Partners XI, L.P. | NEW YORK, NY | $65.0M | 1,784,113 |
| BlackRock, Inc. | New York, NY | $40.3M | 1,222,746 |
| [Bluescape Energy Partners LLC](https://search.stillhousedata.com/firm/283812) | Dallas, TX | $36.1M | 990,000 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $25.0M | 948,813 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $22.9M | 627,206 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $22.5M | 616,564 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $22.2M | 608,833 |
| Driehaus Capital Management LLC | Chicago, IL | $16.2M | 443,719 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $15.4M | 421,820 |
| Yorktown Energy Partners X, L.P. | NEW YORK, NY | $14.2M | 390,860 |
| [First Eagle Investment Management, LLC](https://search.stillhousedata.com/firm/108260) | NEW YORK, NY | $14.2M | 430,946 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $11.2M | 306,484 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $11.2M | 306,556 |
| STATE STREET CORP | BOSTON, MA | $10.7M | 325,904 |
| [ROYCE & ASSOCIATES LP](https://search.stillhousedata.com/firm/107689) | New York, NY | $9.5M | 261,647 |

## Top fund holders (N-PORT)

_Showing 15 of 17 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $4.1M | 0.50% |
| ROYCE MICRO-CAP TRUST, INC. | ROYCE MICRO-CAP TRUST, INC. | $3.6M | 52.77% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $2.5M | 1.44% |
| [Royce Capital Fund - Small-Cap Portfolio](https://search.stillhousedata.com/fund/S000009497) | ROYCE CAPITAL FUND | $2.3M | 134.80% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $2.3M | 3.08% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $1.6M | 0.73% |
| [North Star Dividend Fund](https://search.stillhousedata.com/fund/S000040441) | NORTHERN LIGHTS FUND TRUST II | $1.0M | 105.68% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $829K | 1.72% |
| [Keeley Small Cap Fund](https://search.stillhousedata.com/fund/S000001085) | Teton Westwood Funds | $801K | 93.33% |
| [CORNERCAP SMALL-CAP VALUE FUND](https://search.stillhousedata.com/fund/S000004377) | CORNERCAP GROUP OF FUNDS | $470K | 39.02% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $433K | 4.39% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $339K | 0.06% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $250K | 0.08% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $75K | 1.78% |
| [Longview Advantage ETF](https://search.stillhousedata.com/fund/S000086399) | RBB Fund Trust | $55K | 0.83% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/76665T102.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.