Grey Rock Energy Management, LLC — 13F Holdings & Portfolio
CIK 2053459 · latest 13F-HR filed 2026-11-05
Grey Rock Energy Management, LLC manages $179.1M in 13F-reported U.S. long-equity assets across 1 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are GRNT (100.00%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 0 new positions and exited 0; 0 existing positions rose in reported value and 1 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-11-05
vs 2026-06-30
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q3 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q2 26 → Q3 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 100%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 31, 2026.
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| DARDEN, THADDEUS, ALLEN Control | MANAGING PARTNER since Nov 2023 | Less than 5% | Individual |
| EXCEPTIONAL ALLIANCE, LP Control | MEMBER since Apr 2013 | 25–50% | Domestic Entity |
| FUQUAY, EMILY, TUBB Control | CHIEF COMPLIANCE OFFICER & GENERAL COUNSEL since Jun 2021 | Less than 5% | Individual |
| HOLLEY, DAVID, ERIC Control | PARTNER since May 2024 | Less than 5% | Individual |
| LAZARINE, KIRK, VINCENT Control | CO-FOUNDER since Apr 2013 | 10–25% | Individual |
| MILLER, MATTHEW, READE Control | MANAGING PARTNER since Apr 2013 | 10–25% | Individual |
| PERRY, GRIFFIN, ANDREW Control | CO-FOUNDER & SENIOR ADVISOR since Apr 2013 | 10–25% | Individual |
| EXCEPTIONAL ALLIANCE GP, LLC Control Indirect owner via EXCEPTIONAL ALLIANCE, LP | GENERAL PARTNER since May 2013 | General partner, trustee or manager | Domestic Entity |
| REAUD FAMILY INVESTMENTS II, LP Control Indirect owner via EXCEPTIONAL ALLIANCE, LP | LIMITED PARTNER since Jun 2013 | 75% or more | Domestic Entity |
Ownership & leadership changes · 3 filings with changes since Mar 24, 2015
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- AddedDARDEN, THADDEUS, ALLEN · MANAGING PARTNER · Less than 5% · control person
- AddedHOLLEY, DAVID, ERIC · PARTNER · Less than 5% · control person
- ChangedLAZARINE, KIRK, VINCENT · title MANAGING DIRECTOR → CO-FOUNDER
- ChangedMILLER, MATTHEW, READE · title MANAGING DIRECTOR → MANAGING PARTNER
- ChangedPERRY, GRIFFIN, ANDREW · title MANAGING DIRECTOR → CO-FOUNDER & SENIOR ADVISOR
- AddedFUQUAY, EMILY, TUBB · CHIEF COMPLIANCE OFFICER & GENERAL COUNSEL · Less than 5% · control person
- ChangedPERRY, GRIFFIN, ANDREW · title CHIEF COMPLIANCE OFFICER AND MANAGING DIRECTOR → MANAGING DIRECTOR
- AddedEXCEPTIONAL ALLIANCE GP, LLC · GENERAL PARTNER · General partner, trustee or manager · indirect via EXCEPTIONAL ALLIANCE, LP · control person
- AddedREAUD FAMILY INVESTMENTS II, LP · LIMITED PARTNER · 75% or more · indirect via EXCEPTIONAL ALLIANCE, LP · control person
- ChangedEXCEPTIONAL ALLIANCE, LP · now a control person
- ListedEXCEPTIONAL ALLIANCE, LP · MEMBER · 25–50%
- ListedLAZARINE, KIRK, VINCENT · MANAGING DIRECTOR · 10–25% · control person
- ListedMILLER, MATTHEW, READE · MANAGING DIRECTOR · 10–25% · control person
- ListedPERRY, GRIFFIN, ANDREW · CHIEF COMPLIANCE OFFICER AND MANAGING DIRECTOR · 10–25% · control person
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Grey Rock Energy Management, LLC Holdings (2026-09-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | Granite Ridge Resourcess, Inc | GRNT | 387432107 | $179.1M | 100.00% | 41,265,968 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-09-30 | 2026-11-05 | $179.1M | 1 | 0002053459-26-000005 |
| 2026-06-30 | 2026-07-24 | $243.7M | 1 | 0002053459-26-000003 |
| 2026-03-31 | 2026-05-05 | $324.4M | 1 | 0002053459-26-000002 |
| 2025-12-31 | 2026-01-26 | $259.8M | 1 | 0002053459-26-000001 |
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DALLAS, TX 75205