Funds Shorting Builders FirstSource, Inc.
This page shows institutions, funds, and major shareholders that have reported short positions in their last reporting period. We consider put option positions to be short positions and include all institutions that have disclosed put options here. Green rows indicate new positions. Red rows indicate closed positions. Click the link icon to see the full transaction history.
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| File Date | Source | Investor | Type | Avg Price (Est) |
Shares | Δ Shares (%) |
Reported Value ($1000) |
Δ Value (%) |
Port Alloc (%) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-16 | 13F | Mariner Investment Group Llc | Put | 150,000 | 502 | |||||
| 2025-05-15 | 13F | Parallax Volatility Advisers, L.P. | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-28 | NP | BlackRock Funds V - BlackRock Strategic Income Opportunities Portfolio Investor A Shares | Short | -6,500 | 16 | |||||
| 2025-08-20 | NP | AQMIX - AQR Managed Futures Strategy Fund Class I | Short | -16,221 | -0.00 | -1,893 | -6.61 | |||
| 2025-08-12 | 13F | Clear Street Markets Llc | Put | 1,000 | 117 | |||||
| 2025-08-20 | NP | QMNIX - AQR Equity Market Neutral Fund Class I | Short | -11,873 | -0.00 | -1,385 | -6.61 | |||
| 2025-05-15 | 13F | Candelo Capital Management LP | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F/A | Barclays Plc | Put | 30,000 | 0.00 | 4 | 0.00 | |||
| 2025-08-13 | 13F | Walleye Trading LLC | Put | 29,300 | 121.97 | 3,419 | 107.34 | |||
| 2025-08-28 | NP | BlackRock Variable Series Funds, Inc. - BlackRock Global Allocation V.I. Fund Class I This fund is a listed as child fund of BlackRock, Inc. and if that institution has disclosed ownership in this security, then these positions will not be double counted when calculating total shares and total value | Short | -6,787 | -191.37 | 17 | -98.49 | |||
| 2025-07-22 | 13F | IMC-Chicago, LLC | Put | 136,500 | 37.60 | 15,928 | 28.51 | |||
| 2025-08-20 | NP | QCFIX - AQR CVX Fusion Fund Class I | Short | -51 | -6 | |||||
| 2025-08-12 | 13F | Jpmorgan Chase & Co | Put | 2,500 | 0.00 | 292 | -6.73 | |||
| 2025-08-14 | 13F | Goldman Sachs Group Inc | Put | 17,900 | 0.00 | 2,089 | -6.62 | |||
| 2025-08-14 | 13F | Point72 Asset Management, L.P. | Put | 0 | -100.00 | 0 | ||||
| 2025-08-18 | 13F | Wolverine Trading, Llc | Put | 73,500 | 62.25 | 8,600 | 52.48 | |||
| 2025-08-12 | 13F | Proequities, Inc. | Put | 0 | 0 | |||||
| 2025-08-13 | 13F | Capital Fund Management S.a. | Put | 104,500 | 12,194 | |||||
| 2025-08-14 | 13F | D. E. Shaw & Co., Inc. | Put | 9,100 | -48.30 | 1,062 | -51.73 | |||
| 2025-08-20 | NP | QMHIX - AQR Managed Futures Strategy HV Fund Class I | Short | -8,896 | -0.00 | -1,038 | -6.57 | |||
| 2025-08-14 | 13F | Jane Street Group, Llc | Put | 84,800 | -53.38 | 9,895 | -56.46 | |||
| 2025-08-12 | 13F | Jefferies Financial Group Inc. | Put | 40,800 | 1,033.33 | 4,761 | 960.13 | |||
| 2025-08-14 | 13F | Citadel Advisors Llc | Put | 221,000 | 7.65 | 25,788 | 0.54 | |||
| 2025-08-25 | NP | GEFPX - Gotham Enhanced 500 Plus Fund Institutional Class | Short | -23 | -128.75 | -3 | -122.22 | |||
| 2025-08-13 | 13F | Walleye Capital LLC | Put | 55,300 | 412.04 | 6,453 | 378.28 | |||
| 2025-08-18 | 13F/A | Nomura Holdings Inc | Put | 90,200 | 10,525 | |||||
| 2025-08-20 | NP | QNZNX - AQR Sustainable Long-Short Equity Carbon Aware Fund Class N | Short | -196 | 49.62 | -23 | 37.50 | |||
| 2025-06-05 | NP | GTAPX - Quantitative U.S. Long/Short Equity Portfolio | Short | -1,720 | -206 | |||||
| 2025-08-28 | NP | BlackRock Series Fund, Inc. - BlackRock Global Allocation Portfolio This fund is a listed as child fund of BlackRock, Inc. and if that institution has disclosed ownership in this security, then these positions will not be double counted when calculating total shares and total value | Short | -246 | -193.89 | 1 | -100.00 | |||
| 2025-08-04 | 13F | Quaker Wealth Management, LLC | Put | 0 | -100.00 | 0 | ||||
| 2025-08-05 | 13F | Simplex Trading, Llc | Put | 90,000 | 141.94 | 11 | 150.00 | |||
| 2025-08-14 | 13F | Qube Research & Technologies Ltd | Put | 56,900 | 1,038.00 | 6,640 | 963.94 | |||
| 2025-08-25 | NP | GCHDX - Gotham Hedged Core Fund Institutional Class | Short | -79 | -120.63 | -9 | -111.39 | |||
| 2025-08-14 | 13F | Susquehanna International Group, Llp | Put | 477,200 | 127.67 | 55,684 | 112.64 | |||
| 2025-08-14 | 13F | Group One Trading, L.p. | Put | 40,200 | 443.24 | 4,691 | 407.58 | |||
| 2025-05-15 | 13F | Balyasny Asset Management Llc | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Peak6 Llc | Put | 57,000 | -60.25 | 6,651 | -62.88 | |||
| 2025-08-14 | 13F | Capstone Investment Advisors, Llc | Put | 3,900 | 44.44 | 455 | 35.01 | |||
| 2025-05-29 | NP | TIFF INVESTMENT PROGRAM - TIFF Multi-Asset Fund | Short | -109 | -111.86 | -14 | -109.92 | |||
| 2025-08-14 | 13F | Tudor Investment Corp Et Al | Put | 51,400 | 252.05 | 5,998 | 228.78 | |||
| 2025-08-27 | 13F/A | Squarepoint Ops LLC | Put | 102,400 | 73.85 | 11,949 | 62.39 | |||
| 2025-08-20 | NP | QLEIX - AQR Long-Short Equity Fund Class I | Short | -24,020 | -0.00 | -2,803 | -6.63 | |||
| 2025-08-14 | 13F | Caption Management, LLC | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | Bnp Paribas Arbitrage, Sa | Put | 0 | -100.00 | 0 | ||||
| 2025-08-18 | 13F/A | Hudson Bay Capital Management LP | Put | 16,100 | -73.30 | 1,879 | -75.07 | |||
| 2025-08-14 | 13F | Cubist Systematic Strategies, LLC | Put | 34,600 | 31.06 | 4,037 | 22.41 | |||
| 2025-07-28 | 13F | Twin Tree Management, LP | Put | 13,600 | 36.00 | 1,587 | 26.98 | |||
| 2025-08-14 | 13F | Millennium Management Llc | Put | 38,600 | 55.65 | 4,504 | 45.38 |
