Lubar & Co., Inc SGU — Star Gas Partners L.P. UNIT

Ownership history in Lubar & Co., Inc  ·  42 quarters on record

AI Ownership Summary

Lubar & Co., Inc reported Star Gas Partners L.P. UNIT (SGU) in 42 quarterly 13F filings from 2025 Q4 through 2026 Q1. Peak portfolio weight reached 13.37% in 2026 Q1. The latest visible filing shows SGU at 13.37% 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 SGU ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Lubar & Co., Inc's position in Star Gas Partners L.P. UNIT, 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

SGU was reported at 13.37% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
13.37% in 2026 Q1

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

Time in book
Holding Window
2025 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.

SGU stock page Lubar & Co., Inc fund profile Lubar & Co., Inc full holdings
How Lubar & Co., Inc held SGU — position size vs. price
% of Fund (quarterly)    SGU price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 2 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 1,295,985 — 0% 13.37% $15.9M 2026-04-24 $12.87
2025 Q4 ADDED — — — 1,295,985 +41,323 +3.3% 11.43% $15.3M 2026-02-03 $13.00
40 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SGU

As of 2026 Q1 — sorted by position size

DOLIVER ADVISORS, LP 3Y 7Y 0.39% Roxbury Financial LLC 0.11% Joel Isaacson & Co., LLC 3Y 7Y 0.08% PARSONS CAPITAL MANAGEMENT INC/RI 3Y 7Y 0.03% Marquette Asset Management, LLC 3Y 7Y 0.03% Spire Wealth Management 3Y 0.0% HM PAYSON & CO 3Y 7Y 0.0% COMMONWEALTH EQUITY SERVICES, LLC 3Y 7Y 0.0% Farther Finance Advisors, LLC 0.0%

FAQ About Lubar & Co., Inc and SGU

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

How long has Lubar & Co., Inc reported owning SGU?

Lubar & Co., Inc reported SGU across 2 quarterly 13F filings, from 2025 Q4 through 2026 Q1.

What was the largest reported SGU position in Lubar & Co., Inc's portfolio?

The largest reported portfolio weight for SGU was 13.37% in 2026 Q1.

What is the latest reported SGU position on this page?

The most recent filing on this page is 2026 Q1, when Lubar & Co., Inc reported 1,295,985 shares, equal to 13.37% of portfolio, with an estimated market value of $15.9M.

What does the chart on this SGU ownership page compare?

The chart compares Lubar & Co., Inc's quarterly SGU 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 Lubar & Co., Inc time their SGU position?

Based on 13F filing dates vs. subsequent SGU price moves, Lubar & Co., Inc correctly timed 0 out of 3 reported position changes (0%). The annualised alpha on SGU relative to SPY over the holding period was -1.7%.

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