Lombard Odier Asset Management (USA) Corp BLDR — BUILDERS FIRSTSOURCE INC

Ownership history in Lombard Odier Asset Management (USA) Corp  ·  22 quarters on record

AI Ownership Summary

Lombard Odier Asset Management (USA) Corp reported BUILDERS FIRSTSOURCE INC (BLDR) in 22 quarterly 13F filings from 2024 Q1 through 2025 Q3. Peak portfolio weight reached 0.27% in 2024 Q2. The latest visible filing shows BLDR at 0.21% 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 BLDR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Lombard Odier Asset Management (USA) Corp's position in BUILDERS FIRSTSOURCE 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
2025 Q3

BLDR was reported at 0.21% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.27% in 2024 Q2

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

Time in book
Holding Window
2024 Q1 to 2025 Q3

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.

BLDR stock page Lombard Odier Asset Management (USA) Corp fund profile Lombard Odier Asset Management (USA) Corp full holdings
How Lombard Odier Asset Management (USA) Corp held BLDR — position size vs. price
% of Fund (quarterly)    BLDR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 ADDED — — — 26,278 +15,357 +140.6% 0.21% $3.2M 2025-11-14 $103.44
2025 Q2 ADDED — — — 10,921 +1,992 +22.3% 0.10% $1.3M 2025-08-14 $138.15
2025 Q1 REDUCED 10.1% -6.6% ✅ 8,929 -999 -10.1% 0.09% $1.1M 2025-05-15 $117.96
2024 Q4 REDUCED 13.1% -12.6% ✅ 9,928 -1,500 -13.1% 0.10% $1.4M 2025-02-14 $153.90
2024 Q3 REDUCED 55.9% -26.0% ✅ 11,428 -14,500 -55.9% 0.15% $2.2M 2024-11-14 $181.20
2024 Q2 ADDED — — — 25,928 +20,928 +418.6% 0.27% $3.6M 2024-08-14 $160.60
2024 Q2 REDUCED 79.5% +40.1% ❌ 5,000 -19,428 -79.5% 0.05% $692K 2024-08-14 $160.60
2024 Q1 ADDED — — — 24,428 +19,428 +388.6% 0.12% $5.1M 2024-05-15 $171.94
2024 Q1 REDUCED 86.4% -35.8% ✅ 5,000 -31,633 -86.4% 0.03% $1.0M 2024-05-15 $171.94
13 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BLDR

As of 2026 Q2 — sorted by position size

STADIUM CAPITAL MANAGEMENT LLC 3Y 7Y 67.68% Coliseum Capital Management, LLC 3Y 7Y 20.0% LITTLEJOHN & CO LLC 3Y 19.43% Hauser Brothers GmbH 13.89% Mountain Lake Investment Management LLC 3Y 7Y 8.24% Michelson Medical Research Foundation, Inc. 3Y 8.02% ROBOTTI ROBERT 3Y 7Y 7.37% GoodHaven Capital Management, LLC 3Y 7Y 6.44% SEMPER AUGUSTUS INVESTMENTS GROUP LLC 3Y 7Y 5.6% Brave Warrior Advisors, LLC 3Y 7Y 4.56%

FAQ About Lombard Odier Asset Management (USA) Corp and BLDR

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

How long has Lombard Odier Asset Management (USA) Corp reported owning BLDR?

Lombard Odier Asset Management (USA) Corp reported BLDR across 9 quarterly 13F filings, from 2024 Q1 through 2025 Q3.

What was the largest reported BLDR position in Lombard Odier Asset Management (USA) Corp's portfolio?

The largest reported portfolio weight for BLDR was 0.27% in 2024 Q2.

What is the latest reported BLDR position on this page?

The most recent filing on this page is 2025 Q3, when Lombard Odier Asset Management (USA) Corp reported 26,278 shares, equal to 0.21% of portfolio, with an estimated market value of $3.2M.

What does the chart on this BLDR ownership page compare?

The chart compares Lombard Odier Asset Management (USA) Corp's quarterly BLDR 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 Lombard Odier Asset Management (USA) Corp time their BLDR position?

Based on 13F filing dates vs. subsequent BLDR price moves, Lombard Odier Asset Management (USA) Corp correctly timed 13 out of 20 reported position changes (65%). The annualised alpha on BLDR relative to SPY over the holding period was +5.4%.

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