Brooklyn Investment Group PUMP — PROPETRO HLDG CORP

Ownership history in Brooklyn Investment Group  ·  6 quarters on record

AI Ownership Summary

Brooklyn Investment Group reported PROPETRO HLDG CORP (PUMP) in 6 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 0.06% in 2025 Q4. The latest visible filing shows PUMP at 0.04% 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 PUMP ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Brooklyn Investment Group'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 0.04% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.06% 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
2024 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 Brooklyn Investment Group fund profile Brooklyn Investment Group full holdings
How Brooklyn Investment Group 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 — — — 87,674 -54,630 -38.4% 0.04% $1.3M 2026-04-29 $18.20
2025 Q4 ADDED — — — 142,304 +39,828 +38.9% 0.06% $1.3M 2026-02-12 $11.27
2025 Q3 ADDED — — — 102,476 +102,280 +52183.7% 0.04% $537K 2025-11-14 $9.92
2025 Q2 UNCHANGED — — — 196 — 0% 0.00% $1K 2025-08-12 $4.88
2025 Q1 ADDED — — — 196 +195 +19500.0% 0.00% $1K 2025-05-13 $6.07
2024 Q4 INITIATED — — — 1 — — 0.00% $10 2025-01-15 $10.72

🏢 Other funds also holding PUMP

As of 2026 Q1 — sorted by position size

PKO BP BANKOWY Universal Pension Society JSC 5.81% Capelight Capital Asset Management LP 2.42% SummerHaven Investment Management, LLC 3Y 1.09% Bayforest Capital Ltd 0.24% Inspire Investing, LLC 3Y 7Y 0.04% Y-Intercept (Hong Kong) Ltd 3Y 0.04% WEDGE CAPITAL MANAGEMENT L L P/NC 3Y 7Y 0.03% OP Asset Management Ltd 0.02% Inscription Capital, LLC 3Y 0.02% PROFUND ADVISORS LLC 3Y 7Y 0.02%

FAQ About Brooklyn Investment Group and PUMP

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

How long has Brooklyn Investment Group reported owning PUMP?

Brooklyn Investment Group reported PUMP across 6 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported PUMP position in Brooklyn Investment Group's portfolio?

The largest reported portfolio weight for PUMP was 0.06% in 2025 Q4.

What is the latest reported PUMP position on this page?

The most recent filing on this page is 2026 Q1, when Brooklyn Investment Group reported 87,674 shares, equal to 0.04% of portfolio, with an estimated market value of $1.3M.

What does the chart on this PUMP ownership page compare?

The chart compares Brooklyn Investment Group'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 Brooklyn Investment Group time their PUMP position?

Based on 13F filing dates vs. subsequent PUMP price moves, Brooklyn Investment Group correctly timed 2 out of 4 reported position changes (50%). The annualised alpha on PUMP relative to SPY over the holding period was +29.5%.

← Back to Brooklyn Investment Group Holdings