SIR Capital Management, L.P. NRG — NRG ENERGY INC

Ownership history in SIR Capital Management, L.P.  ·  8 quarters on record

AI Ownership Summary

SIR Capital Management, L.P. reported NRG ENERGY INC (NRG) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 2.16% in 2024 Q3. The latest visible filing shows NRG at 1.39% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this NRG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was SIR Capital Management, L.P.'s position in NRG ENERGY INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

NRG was reported at 1.39% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.16% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

NRG stock page SIR Capital Management, L.P. fund profile SIR Capital Management, L.P. full holdings
How SIR Capital Management, L.P. held NRG — position size vs. price
% of Fund (quarterly)    NRG price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 101,618 +30,122 +42.1% 1.39% $14.9M 2026-05-15 $127.81
2025 Q4 ADDED — — — 71,496 +39,805 +125.6% 1.26% $11.4M 2026-02-13 $171.82
2025 Q3 ADDED — — — 31,691 +14,999 +89.9% 0.46% $5.1M 2025-11-14 $164.17
2025 Q2 REDUCED 90.8% +3.2% ❌ 16,692 -164,345 -90.8% 0.24% $2.7M 2025-08-12 $155.33
2025 Q1 ADDED — — — 181,037 +14,742 +8.9% 1.52% $17.3M 2025-05-15 $153.27
2024 Q4 REDUCED 31.7% +6.3% ❌ 166,295 -77,335 -31.7% 1.55% $15.0M 2025-02-14 $105.96
2024 Q3 ADDED — — — 243,630 +58,571 +31.6% 2.16% $22.2M 2024-11-14 $89.85
2024 Q2 INITIATED — — — 185,059 — — 1.43% $14.4M 2024-08-07 $70.35

🏢 Other funds also holding NRG

As of 2026 Q1 — sorted by position size

Bluescape Energy Partners LLC 3Y 7Y 15.53% Permian Investment Partners, LP 3Y 7Y 14.86% Glendon Capital Management LP 3Y 7Y 10.4% Monashee Investment Management LLC 3Y 7Y 6.76% LYRICAL ASSET MANAGEMENT LP 3Y 7Y 6.21% Luxor Capital Group, LP 3Y 7Y 6.06% Hiddenite Capital Partners LP 3Y 5.79% Webs Creek Capital Management LP 3Y 4.52% Community Bank of Raymore 3Y 7Y 4.31% Appaloosa LP 3Y 7Y 4.27%

FAQ About SIR Capital Management, L.P. and NRG

These are the practical questions this page is built to answer before you even open the full history table.

How long has SIR Capital Management, L.P. reported owning NRG?

SIR Capital Management, L.P. reported NRG across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported NRG position in SIR Capital Management, L.P.'s portfolio?

The largest reported portfolio weight for NRG was 2.16% in 2024 Q3.

What is the latest reported NRG position on this page?

The most recent filing on this page is 2026 Q1, when SIR Capital Management, L.P. reported 101,618 shares, equal to 1.39% of portfolio, with an estimated market value of $14.9M.

What does the chart on this NRG ownership page compare?

The chart compares SIR Capital Management, L.P.'s quarterly NRG portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did SIR Capital Management, L.P. time their NRG position?

Based on 13F filing dates vs. subsequent NRG price moves, SIR Capital Management, L.P. correctly timed 4 out of 7 reported position changes (57%). The annualised alpha on NRG relative to SPY over the holding period was +13.4%.

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