5 of the 18 tracked hedge funds hold BLDR (BUILDERS FIRSTSOURCE INC) in their latest 13F filing. Combined position: $19.5M.
| Fund | Shares | Position | This quarter |
|---|---|---|---|
| Jim Simons (Renaissance) | 220.2K | $18.1M | reduced |
| Ken Griffin (Citadel) | 6.6K | $541K | reduced |
| Ray Dalio (Bridgewater) | 4.1K | $334K | NEW this Q |
| Ken Griffin (Citadel) | 3.1K | $255K | reduced |
| David Tepper (Appaloosa) | 2.7K | $219K | reduced |
Sold out, added to, or brand-new position — email you within minutes of the 13F filing.
← all whales · ← biggest moves this quarter
Data from SEC EDGAR quarterly 13F-HR filings. 13F filings are due 45 days after quarter end and reflect equity positions only (no shorts, no options, no non-US listings). By law they lag reality by up to 6 weeks — treat as historical, not real-time.