# MONTAUK RENEWABLES INC COM

MONTAUK RENEWABLES INC COM is a security (CUSIP 61218C103) tracked across SEC portfolio filings. 93 institutional managers reported $29.5M on Form 13F as of 2026-06-30; 10 registered fund positions totaling $2.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MONTAUK RENEWABLES INC
- Class: COM
- CUSIP: 61218C103
- Asset category: EC
- 13F holders: 93
- 13F value: $29.5M
- 13F period: 2026-06-30
- N-PORT fund positions: 10
- N-PORT value: $2.0M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 93 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $7.3M | 4,709,893 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $5.9M | 3,528,926 |
| Baader Bank Aktiengesellschaft | Unterschleissheim, 2M | $2.5M | 1,605,000 |
| STATE STREET CORP | BOSTON, MA | $2.1M | 1,369,693 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $2.0M | 1,759,278 |
| BARCLAYS PLC | LONDON, X0 | $1.2M | 1,038,917 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $1.1M | 954,468 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $847K | 736,584 |
| Hosking Partners LLP | LONDON, X0 | $609K | 390,517 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $599K | 520,611 |
| NORTHERN TRUST CORP | CHICAGO, IL | $581K | 505,374 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $408K | 354,600 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $381K | 331,189 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $359K | 311,950 |
| Bank of New York Mellon Corp | NEW YORK, NY | $306K | 195,907 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $819K | 0.10% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $607K | 0.35% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $222K | 0.20% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $125K | 0.26% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $95K | 0.96% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $47K | 0.01% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $42K | 0.01% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $12K | 0.28% |
| [VANGUARD GROWTH AND INCOME FUND](https://search.stillhousedata.com/fund/S000002913) | VANGUARD QUANTITATIVE FUNDS | $9K | 0.01% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $2K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/61218C103.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.