FRONTIER CAPITAL MANAGEMENT CO LLC
Position in BLDR — Builders FirstSource, Inc.
CIK 351173
Boston, MA
Position in BLDR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$58,286,287
-$12,558,184 QoQ
Shares Held
651,389
-24.3% QoQ
Ownership
0.605%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
#39
of 662 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 81%
Shared 0%
None 19%
Common Shares in BLDR Over Time
Shares Held
Position Value (USD)
Position in Building Products & Equipment
Industrials · as of Jun 30, 2026FRONTIER CAPITAL MANAGEMENT CO LLC holds $95,731,554 across 2 Building Products & Equipment names. BLDR ranks #1 (60.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BLDR |
Builders FirstSource, Inc.
This page
|
651,389 | $58,286,287 | |
| 2 | ROCK |
Gibraltar Industries, Inc.
|
830,272 | $37,445,267 |
All Filings in BLDR
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $58,286,287 | 651,389 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $70,844,471 | 860,494 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $59,282,337 | 576,172 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $156,491,070 | 1,290,648 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $70,153,677 | 601,197 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $78,537,159 | 628,599 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $58,365,036 | 408,347 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $140,611,310 | 725,324 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $95,486,982 | 689,885 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $175,770,736 | 842,823 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $189,268,391 | 1,133,751 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $104,669,324 | 840,785 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $188,611,056 | 1,386,846 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $133,821,733 | 1,507,341 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $162,611,728 | 2,506,346 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $128,244,329 | 2,176,584 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $103,111,947 | 1,920,148 | Shares | Sole | 2022-07-20 | |
| 2022-03-31 | $116,032,980 | 1,797,846 | Shares | Sole | 2022-04-14 | |
| 2021-12-31 | $192,498,231 | 2,245,925 | Shares | Sole | 2022-01-19 | |
| 2021-09-30 | $146,524,782 | 2,831,944 | Shares | Sole | 2021-10-19 | |
| 2021-06-30 | $128,536,798 | 3,013,052 | Shares | Sole | 2021-08-09 | |
| 2021-03-31 | $169,186,880 | 3,648,628 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $92,485,009 | 2,266,234 | Shares | Sole | 2021-01-19 | |
| 2020-09-30 | $66,079,965 | 2,025,750 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $5,739,489 | 277,270 | Shares | Sole | 2020-07-17 | |
| No filing history on record for this holder in this stock. | ||||||