SIR Capital Management, L.P. PUMP — PROPETRO HLDG CORP

Ownership history in SIR Capital Management, L.P.  ·  16 quarters on record

AI Ownership Summary

SIR Capital Management, L.P. reported PROPETRO HLDG CORP (PUMP) in 16 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 1.42% in 2025 Q4. The latest visible filing shows PUMP at 1.22% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this PUMP 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 PROPETRO HLDG CORP, 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

PUMP was reported at 1.22% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.42% in 2025 Q4

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

Time in book
Holding Window
2023 Q4 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.

PUMP stock page SIR Capital Management, L.P. fund profile SIR Capital Management, L.P. full holdings
How SIR Capital Management, L.P. held PUMP — position size vs. price
% of Fund (quarterly)    PUMP price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 903,130 -442,944 -32.9% 1.22% $13.0M 2026-05-15 $17.45
2025 Q4 ADDED — — — 1,346,074 +1,254,774 +1374.3% 1.42% $12.8M 2026-02-13 $12.02
2025 Q3 REDUCED 88.8% +76.7% ❌ 91,300 -720,754 -88.8% 0.04% $478K 2025-11-14 $9.92
2025 Q2 ADDED — — — 812,054 +170,654 +26.6% 0.43% $4.8M 2025-08-12 $4.88
2025 Q1 ADDED — — — 641,400 +301,096 +88.5% 0.41% $4.7M 2025-05-15 $5.86
2023 Q4 REDUCED 25.5% -5.6% ✅ 340,304 -116,643 -25.5% 0.29% $2.9M 2024-02-14 $7.67
10 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding PUMP

As of 2026 Q1 — sorted by position size

Alta Fundamental Advisers LLC 3Y 7Y 9.63% SOROS CAPITAL MANAGEMENT LLC 3Y 6.84% PKO BP BANKOWY Universal Pension Society JSC 5.81% Sourcerock Group LLC 3Y 4.21% VR Advisory Services Ltd 3Y 7Y 4.2% TOWLE & CO 3Y 7Y 3.79% Valiant Capital Management, L.P. 3Y 7Y 3.35% Capelight Capital Asset Management LP 2.42% Ratan Capital Management LP 3Y 7Y 2.25% Manatuck Hill Partners, LLC 3Y 7Y 2.04%

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

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 PUMP?

SIR Capital Management, L.P. reported PUMP across 6 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

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

The largest reported portfolio weight for PUMP was 1.42% in 2025 Q4.

What is the latest reported PUMP position on this page?

The most recent filing on this page is 2026 Q1, when SIR Capital Management, L.P. reported 903,130 shares, equal to 1.22% of portfolio, with an estimated market value of $13.0M.

What does the chart on this PUMP ownership page compare?

The chart compares SIR Capital Management, L.P.'s quarterly PUMP 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 PUMP position?

Based on 13F filing dates vs. subsequent PUMP price moves, SIR Capital Management, L.P. correctly timed 7 out of 15 reported position changes (47%). The annualised alpha on PUMP relative to SPY over the holding period was +20.7%.

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