Funds Shorting Fortinet, 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 (%) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-25 | 13F | Concurrent Investment Advisors, LLC | Put | 100 | 11 | |||||
| 2025-08-14 | 13F | Pentwater Capital Management LP | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | Peak6 Llc | Put | 68,900 | -68.22 | 7,284 | -65.10 | |||
| 2025-08-18 | 13F/A | Hudson Bay Capital Management LP | Put | 11,000 | -90.65 | 1,163 | -89.74 | |||
| 2025-08-13 | 13F | Capital Fund Management S.a. | Put | 70,100 | -43.10 | 7,411 | -37.52 | |||
| 2025-08-14 | 13F | LMR Partners LLP | Put | 4,800 | 2,300.00 | 507 | 2,568.42 | |||
| 2025-08-05 | 13F | Simplex Trading, Llc | Put | 124,000 | -49.98 | 13 | -43.48 | |||
| 2025-05-15 | 13F | Laurion Capital Management LP | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-06-26 | NP | SPECX - Alger Spectra Fund Class A | Short | -27,202 | -2,822 | |||||
| 2025-08-13 | 13F | Walleye Trading LLC | Put | 160,600 | 53.24 | 16,979 | 68.30 | |||
| 2025-08-14 | 13F | Wells Fargo & Company/mn | Put | 4,700 | -4.08 | 497 | 5.31 | |||
| 2025-07-10 | 13F | Baader Bank INC | Put | 28,000 | -50.00 | 2,960 | -45.08 | |||
| 2025-08-14 | 13F | Jane Street Group, Llc | Put | 258,100 | 27.08 | 27,286 | 39.57 | |||
| 2025-08-14 | 13F | Limestone Investment Advisors LP | Put | 7,200 | 761 | |||||
| 2025-08-14 | 13F | Balyasny Asset Management Llc | Put | 82,500 | -57.14 | 8,722 | -52.94 | |||
| 2025-08-12 | 13F | Eisler Capital Management Ltd. | Put | 25,400 | -52.96 | 2,686 | -48.32 | |||
| 2025-08-14 | 13F | Capstone Investment Advisors, Llc | Put | 30,800 | -52.40 | 3,256 | -47.72 | |||
| 2025-08-14 | 13F | Parallax Volatility Advisers, L.P. | Put | 40,700 | 4,303 | |||||
| 2025-05-13 | 13F | Beacon Pointe Advisors, LLC | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Alyeska Investment Group, L.P. | Put | 0 | -100.00 | 0 | ||||
| 2025-05-15 | 13F | Optiver Holding B.V. | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-13 | 13F | Capula Management Ltd | Put | 1,300 | 137 | |||||
| 2025-08-14 | 13F | Qube Research & Technologies Ltd | Put | 77,900 | -59.34 | 8,236 | -55.35 | |||
| 2025-08-14 | 13F | Citadel Advisors Llc | Put | 816,300 | -20.25 | 86,299 | -12.41 | |||
| 2025-08-07 | 13F | Garda Capital Partners Lp | Put | 7,000 | -67.44 | 740 | -64.23 | |||
| 2025-08-18 | 13F | Wolverine Trading, Llc | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | Tudor Investment Corp Et Al | Put | 24,300 | 406.25 | 2,569 | 455.84 | |||
| 2025-08-13 | 13F | Walleye Capital LLC | Put | 82,200 | 36.09 | 8,690 | 49.47 | |||
| 2025-07-28 | 13F | Allianz Asset Management GmbH | Put | 50,700 | -4.70 | 5,360 | 4.67 | |||
| 2025-07-21 | 13F/A | Point72 Asset Management, L.P. | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Bnp Paribas Arbitrage, Sa | Put | 2,265 | -1.13 | 23,946 | 8.58 | |||
| 2025-08-12 | 13F | Fulcrum Asset Management LLP | Put | 0 | -100.00 | 0 | ||||
| 2025-05-15 | 13F | Two Sigma Securities, Llc | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Point72 (DIFC) Ltd | Put | 26,500 | 516.28 | 2,802 | 578.21 | |||
| 2025-08-14 | 13F | UBS Group AG | Put | 27,800 | 24.11 | 2,939 | 36.32 | |||
| 2025-05-15 | 13F | Centiva Capital, LP | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Cubist Systematic Strategies, LLC | Put | 220,300 | -1.08 | 23,290 | 8.64 | |||
| 2025-08-04 | 13F | Quaker Wealth Management, LLC | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-27 | 13F/A | Squarepoint Ops LLC | Put | 248,700 | 8.65 | 26,293 | 19.33 | |||
| 2025-08-12 | 13F | Proequities, Inc. | Put | 0 | 0 | |||||
| 2025-08-11 | 13F | Citigroup Inc | Put | 125,000 | 108.33 | 13,215 | 128.83 | |||
| 2025-05-15 | 13F | Caption Management, LLC | Put | 0 | -100.00 | 0 | ||||
| 2025-05-15 | 13F | Ardsley Advisory Partners Lp | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | Volterra Technologies LP | Put | 2,000 | 211 | |||||
| 2025-05-01 | 13F | Caas Capital Management Lp | Put | 21,800 | 57.97 | 2,098 | 61.01 | |||
| 2025-08-12 | 13F | Jpmorgan Chase & Co | Put | 44,000 | -55.56 | 4,652 | -51.19 | |||
| 2025-07-28 | 13F | Twin Tree Management, LP | Put | 198,500 | 274.53 | 20,985 | 311.39 | |||
| 2025-08-14 | 13F | Bank Of America Corp /de/ | Put | 400 | 42 | |||||
| 2025-08-14 | 13F | Group One Trading, L.p. | Put | 19,300 | 1.58 | 2,040 | 11.60 | |||
| 2025-08-14 | 13F | Susquehanna International Group, Llp | Put | 1,317,500 | 13.70 | 139,286 | 24.87 | |||
| 2025-04-28 | NP | GBFFX - GMO Benchmark-Free Fund Class III | Short | -742 | -80 | |||||
| 2025-08-14 | 13F | D. E. Shaw & Co., Inc. | Put | 61,500 | -42.79 | 6,502 | -37.17 | |||
| 2025-08-14 | 13F/A | Barclays Plc | Put | 60,000 | -9.23 | 6 | 0.00 | |||
| 2025-08-14 | 13F | J. Goldman & Co LP | Put | 0 | -100.00 | 0 | ||||
| 2025-08-14 | 13F | Millennium Management Llc | Put | 154,300 | -6.54 | 16,313 | 2.64 | |||
| 2025-07-22 | 13F | IMC-Chicago, LLC | Put | 345,800 | -6.99 | 36,558 | 2.15 | |||
| 2025-08-14 | 13F | Verition Fund Management LLC | Put | 52,800 | 274.47 | 5,582 | 311.35 | |||
| 2025-08-14 | 13F | Goldman Sachs Group Inc | Put | 689,500 | 103.09 | 72,894 | 123.05 |
