Funds Shorting Western Digital Corporation
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 (%) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-14 | 13F | Css Llc/il | Put | 10,000 | 0.00 | 640 | 58.17 | |||
| 2025-05-15 | 13F | Credit Industriel Et Commercial | Put | 0 | -100.00 | 0 | ||||
| 2025-07-29 | NP | SEIAX - SIIT Multi-Asset Real Return Fund - Class A | Short | -626 | -0.00 | -32 | 6.67 | |||
| 2025-08-14 | 13F | Raymond James Financial Inc | Put | 200 | 10 | |||||
| 2025-08-14 | 13F | Susquehanna International Group, Llp | Put | 1,440,000 | 19.68 | 92,146 | 89.42 | |||
| 2025-08-08 | 13F | SG Americas Securities, LLC | Put | 49,700 | -57.85 | 0 | ||||
| 2025-08-04 | 13F | Wolverine Asset Management Llc | Put | 25,700 | 0.00 | 1,645 | 58.23 | |||
| 2025-08-20 | NP | ADANX - AQR Diversified Arbitrage Fund Class N | Short | -50,982 | -3,262 | |||||
| 2025-08-27 | NP | JNL SERIES TRUST - JNL Multi-Manager Alternative Fund (A) | Short | -65,966 | 101.03 | -4,221 | 218.33 | |||
| 2025-08-14 | 13F | Boothbay Fund Management, Llc | Put | 108,000 | 6,911 | |||||
| 2025-08-13 | 13F | Walleye Capital LLC | Put | 45,900 | -37.72 | 2,937 | -1.41 | |||
| 2025-08-18 | 13F/A | Nomura Holdings Inc | Put | 294,400 | 154.89 | 18,839 | 303.47 | |||
| 2025-08-14 | 13F | Tudor Investment Corp Et Al | Put | 268,200 | 59.83 | 17,162 | 152.98 | |||
| 2025-08-14 | 13F | Citadel Advisors Llc | Put | 1,916,100 | 6.43 | 122,611 | 68.44 | |||
| 2025-08-20 | NP | QSPIX - AQR Style Premia Alternative Fund Class I | Short | -25,279 | -0.00 | -1,618 | 58.22 | |||
| 2025-08-20 | NP | QRPNX - AQR Alternative Risk Premia Fund Class N | Short | -5,981 | -30.66 | -383 | 9.77 | |||
| 2025-07-29 | NP | NELAX - Nuveen Equity Long/Short Fund Class A This fund is a listed as child fund of Nuveen Asset Management, LLC 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 | -9,000 | 26.76 | -464 | 33.43 | |||
| 2025-05-15 | 13F | Barclays Plc | Put | 0 | -100.00 | 0 | ||||
| 2025-06-26 | NP | KCEVX - Knights of Columbus Long/Short Equity Fund Investor Shares | Short | -15,886 | -697 | |||||
| 2025-08-13 | 13F | Marshall Wace, Llp | Put | 424,700 | 27,177 | |||||
| 2025-08-20 | NP | QMFNX - AQR MS Fusion Fund Class N | Short | -173 | -11 | |||||
| 2025-08-14 | 13F | Limestone Investment Advisors LP | Put | 10,300 | 659 | |||||
| 2025-08-14 | 13F | Qube Research & Technologies Ltd | Put | 215,100 | 221.52 | 13,764 | 409.02 | |||
| 2025-08-14 | 13F | Parallax Volatility Advisers, L.P. | Put | 169,600 | 40.75 | 10,853 | 122.79 | |||
| 2025-08-14 | 13F | Jane Street Group, Llc | Put | 1,157,900 | 4.81 | 74,094 | 65.88 | |||
| 2025-06-27 | NP | PASIX - PACE Alternative Strategies Investments Class A | Short | -15,640 | 290.32 | -686 | 163.46 | |||
| 2025-08-14 | 13F | Caption Management, LLC | Put | 150,000 | 66.67 | 9,598 | 163.83 | |||
| 2025-07-29 | NP | CLSE - Convergence Long/Short Equity ETF | Short | -15,788 | -40.17 | -814 | -37.03 | |||
| 2025-08-14 | 13F | Group One Trading, L.p. | Put | 71,000 | -17.92 | 4,543 | 29.91 | |||
| 2025-06-27 | NP | CVSIX - Calamos Market Neutral Income Fund Class A | Short | -875,613 | 21.26 | -38,404 | -18.34 | |||
| 2025-08-12 | 13F | Proequities, Inc. | Put | 0 | 0 | |||||
| 2025-08-14 | 13F | Cubist Systematic Strategies, LLC | Put | 22,500 | 1,223.53 | 1,440 | 2,016.18 | |||
| 2025-08-13 | 13F | HAP Trading, LLC | Put | 146,900 | 345.15 | 183 | -46.15 | |||
| 2025-08-26 | NP | GFSYX - Strategic Alternatives Fund Institutional | Short | -15,076 | -965 | 510.13 | ||||
| 2025-08-14 | 13F | Rokos Capital Management LLP | Put | 630,000 | 40,304 | |||||
| 2025-05-15 | 13F | Centiva Capital, LP | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-14 | 13F | Capstone Investment Advisors, Llc | Put | 15,400 | -73.08 | 985 | -57.40 | |||
| 2025-07-21 | 13F | CenterStar Asset Management, LLC | Put | 3,200 | 205 | |||||
| 2025-08-22 | NP | BTAL - AGFiQ U.S. Market Neutral Anti-Beta Fund | Short | -26,720 | -347.32 | -1,710 | -418.84 | |||
| 2025-08-14 | 13F | UBS Group AG | Put | 220,200 | -2.18 | 14,091 | 54.84 | |||
| 2025-08-14 | 13F | Banco BTG Pactual S.A. | Put | 0 | -100.00 | 0 | ||||
| 2025-08-13 | 13F | Capital Fund Management S.a. | Put | 300,200 | 10.25 | 19,210 | 74.48 | |||
| 2025-05-15 | 13F | CMT Capital Markets Trading GmbH | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-13 | 13F | Hsbc Holdings Plc | Put | 17,100 | 1,098 | |||||
| 2025-06-26 | NP | MSTVX - Morningstar Alternatives Fund | Short | -7,457 | -26.64 | -327 | -50.60 | |||
| 2025-08-01 | 13F | Belvedere Trading LLC | Put | 20,900 | 808.70 | 1,351 | 947.29 | |||
| 2025-08-14 | 13F | Millennium Management Llc | Put | 346,700 | 3.52 | 22,185 | 63.85 | |||
| 2025-05-15 | 13F | LMR Partners LLP | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-05-13 | 13F | Arrowpoint Investment Partners (Singapore) Pte. Ltd. | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-18 | 13F | Wolverine Trading, Llc | Put | 134,300 | 157.28 | 8,500 | 300.90 | |||
| 2025-08-27 | 13F/A | Squarepoint Ops LLC | Put | 225,400 | 414.61 | 14,423 | 714.86 | |||
| 2025-08-13 | 13F | NINE MASTS CAPITAL Ltd | Put | 0 | -100.00 | 0 | ||||
| 2025-08-20 | NP | QMNIX - AQR Equity Market Neutral Fund Class I | Short | -12,225 | -51.31 | -782 | -22.96 | |||
| 2025-08-20 | NP | QLFIX - AQR LSE Fusion Fund Class I | Short | -111 | -7 | |||||
| 2025-08-06 | 13F | CloudAlpha Capital Management Limited/Hong Kong | Put | 400,000 | 25,596 | |||||
| 2025-08-14 | 13F | Point72 (DIFC) Ltd | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-03-26 | NP | SPECX - Alger Spectra Fund Class A | Short | -60,595 | -3,947 | |||||
| 2025-08-14 | 13F | Verition Fund Management LLC | Put | 125,000 | 268.73 | 7,999 | 483.80 | |||
| 2025-08-27 | NP | TIFF INVESTMENT PROGRAM - TIFF Multi-Asset Fund | Short | -695 | -112.78 | -44 | -112.68 | |||
| 2025-08-07 | 13F | Garda Capital Partners Lp | Put | 55,200 | -29.68 | 3,532 | 11.31 | |||
| 2025-05-01 | 13F | Caas Capital Management Lp | Put | 9,000 | 364 | |||||
| 2025-08-20 | NP | QCFIX - AQR CVX Fusion Fund Class I | Short | -52 | -3 | |||||
| 2025-08-14 | 13F | Goldman Sachs Group Inc | Put | 156,700 | 31.68 | 10,027 | 108.42 | |||
| 2025-08-12 | 13F | Jpmorgan Chase & Co | Put | 143,000 | -78.68 | 9,151 | -66.25 | |||
| 2025-08-20 | NP | QHFRX - AQR MS Fusion HV Fund Class R6 | Short | -191 | -12 | |||||
| 2025-07-29 | 13F | Portman Square Capital LLP | Put | 720,800 | 1,210.55 | 46,124 | 1,852.71 | |||
| 2025-08-14 | 13F | Bnp Paribas Arbitrage, Sa | Put | 2,648 | -8.34 | 16,945 | 45.07 | |||
| 2025-08-14 | 13F | Balyasny Asset Management Llc | Put | 21,400 | -90.00 | 1,369 | -84.17 | |||
| 2025-07-29 | NP | GAAVX - GMO Alternative Allocation Fund Class VI | Short | -23,241 | 48.98 | -1,198 | 57.01 | |||
| 2025-08-14 | 13F | D. E. Shaw & Co., Inc. | Put | 174,500 | -49.21 | 11,166 | -19.62 | |||
| 2025-08-22 | NP | BEARX - Federated Prudent Bear Fund Class A Shares This fund is a listed as child fund of Federated Hermes, 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 | -890 | -0.00 | -57 | 60.00 | |||
| 2025-07-23 | NP | FAAAX - Franklin K2 Alternative Strategies Fund Class A | Short | -16,439 | 368.88 | -847 | 395.32 | |||
| 2025-05-15 | 13F | Ubs Oconnor Llc | Put | 0 | -100.00 | 0 | ||||
| 2025-05-15 | 13F | Bank Of America Corp /de/ | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-13 | 13F | Walleye Trading LLC | Put | 1,190,500 | -1.83 | 76,180 | 55.38 | |||
| 2025-07-22 | 13F | IMC-Chicago, LLC | Put | 424,000 | 2.00 | 27,132 | 61.44 | |||
| 2025-08-11 | 13F | Citigroup Inc | Put | 250,000 | 400.00 | 15,998 | 691.54 | |||
| 2025-08-04 | 13F | Quaker Wealth Management, LLC | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-13 | 13F | Capital Markets Trading UK LLP | Put | 0 | -100.00 | 0 | ||||
| 2025-08-05 | 13F | Bank Of Montreal /can/ | Put | 50,000 | 3,200 | |||||
| 2025-08-14 | 13F | Saba Capital Management, L.P. | Put | 550,800 | 35,246 | |||||
| 2025-08-15 | NP | SSIJX - American Beacon SSI Alternative Income Fund Institutional Class | Short | -65,148 | 65.52 | -4,169 | 161.97 | |||
| 2025-08-13 | 13F | Capula Management Ltd | Put | 0 | -100.00 | 0 | ||||
| 2025-03-26 | NP | FTLS - First Trust Long/Short Equity ETF This fund is a listed as child fund of First Trust Advisors Lp 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 | -66,129 | -4,307 | |||||
| 2025-07-28 | 13F | Twin Tree Management, LP | Put | 443,900 | -22.77 | 28,405 | 22.23 | |||
| 2025-08-28 | NP | SIFAX - SIMT MULTI-ASSET INFLATION MANAGED FUND Class F | Short | -448 | -0.00 | -29 | 55.56 | |||
| 2025-05-15 | 13F | DeepCurrents Investment Group LLC | Put | 0 | -100.00 | 0 | -100.00 | |||
| 2025-08-21 | NP | LEOIX - Lazard Enhanced Opportunities Portfolio Institutional Shares | Short | -949 | 70.38 | -61 | 172.73 | |||
| 2025-08-14 | 13F | Peak6 Llc | Put | 547,900 | 87.96 | 35,060 | 197.50 | |||
| 2025-08-12 | 13F | Eisler Capital Management Ltd. | Put | 36,300 | -70.22 | 2,324 | -52.82 | |||
| 2025-08-05 | 13F | Simplex Trading, Llc | Put | 474,900 | -27.02 | 21 | 40.00 |
