SNDK Sandisk Corporation
Sandisk Corporation (SNDK) Hedge Fund Activity
This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.
Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.
Most significant moves
Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.
| Fund | Action | Shares changed | Change | Est. value | Portfolio wt. | Score |
|---|---|---|---|---|---|---|
| Situational Awareness Growth Tech | Increased | +1.36M | +118.9% | $3.08B | 28.1% | 94 |
| Cable Car Capital Long/Short Value | New | +95.0K | — | $216.0M | 4.9% | 89 |
| Madison Avenue Partners Value | Reduced | -609.3K | -98.4% | $1.39B | 1.1% | 87 |
| Hudson Bay Capital Management Event | New | +306.1K | — | $696.0M | 3.9% | 85 |
| Maple Rock Capital Partners Long/Short | Reduced | -164.6K | -98.9% | $374.2M | 0.1% | 78 |
| Whale Rock Capital Management Growth Tech | Reduced | -203.0K | -25.4% | $461.7M | 10.9% | 71 |
| RENAISSANCE TECHNOLOGIES LLC Quant | Reduced | -794.6K | -99.4% | $1.81B | 0.0% | 70 |
| Contour Asset Management Long/Short Tech | New | +22.9K | — | $52.2M | 1.2% | 70 |
| Caxton Associates Macro | New | +38.3K | — | $87.1M | 1.6% | 67 |
| Quadrature Capital Quant | Reduced | -233.2K | -78.7% | $530.3M | 1.5% | 66 |
Most significant buyers
By move score, not size.
- Situational Awareness
- Cable Car Capital
- Hudson Bay Capital Management
- Contour Asset Management
- Caxton Associates
Most significant sellers
By move score, not size.
- Madison Avenue Partners
- Maple Rock Capital Partners
- Whale Rock Capital Management
- RENAISSANCE TECHNOLOGIES LLC
- Quadrature Capital
Hedge fund positions
| Fund | Tier | Shares | Previous | Change | Change % | Portfolio wt. | Action | Score |
|---|---|---|---|---|---|---|---|---|
| Situational Awareness | 1 | 2.5M | 1.1M | +1.36M | +118.9% | 28.1% | Increased | 94 |
| Cable Car Capital | 2 | 95.0K | 0 | +95.0K | — | 4.9% | New | 89 |
| Madison Avenue Partners | 2 | 9.7K | 619.0K | -609.3K | -98.4% | 1.1% | Reduced | 87 |
| Hudson Bay Capital Management | 3 | 306.1K | 0 | +306.1K | — | 3.9% | New | 85 |
| Maple Rock Capital Partners | 2 | 1.9K | 166.5K | -164.6K | -98.9% | 0.1% | Reduced | 78 |
| Whale Rock Capital Management | 1 | 596.5K | 799.6K | -203.0K | -25.4% | 10.9% | Reduced | 71 |
| RENAISSANCE TECHNOLOGIES LLC | 1 | 5.0K | 799.6K | -794.6K | -99.4% | 0.0% | Reduced | 70 |
| Contour Asset Management | 2 | 22.9K | 0 | +22.9K | — | 1.2% | New | 70 |
| Caxton Associates | 3 | 38.3K | 0 | +38.3K | — | 1.6% | New | 67 |
| Quadrature Capital | 3 | 63.2K | 296.4K | -233.2K | -78.7% | 1.5% | Reduced | 66 |
| CITADEL ADVISORS LLC | 1 | 67.4K | 607.8K | -540.4K | -88.9% | 0.1% | Reduced | 64 |
| Point72 Asset Management, L.P. | 1 | 49.7K | 376.6K | -326.9K | -86.8% | 0.2% | Reduced | 64 |
| Castle Hook Partners | 1 | 237.6K | 276.9K | -39.3K | -14.2% | 5.8% | Reduced | 62 |
| Balyasny Asset Management L.P. | 2 | 87.9K | 28.3K | +59.6K | +210.3% | 0.4% | Increased | 61 |
| MILLENNIUM MANAGEMENT LLC | 2 | 366.1K | 1.1M | -776.2K | -67.9% | 0.7% | Reduced | 60 |
| Capital Fund Management | 3 | 18.7K | 191.0K | -172.4K | -90.2% | 0.3% | Reduced | 60 |
| Maverick Capital | 2 | 575 | 0 | +575 | — | 0.0% | New | 59 |
| TWO SIGMA INVESTMENTS, LP | 2 | 241.7K | 762.7K | -521.1K | -68.3% | 0.4% | Reduced | 59 |
| Weiss Asset Management | 2 | 0 | 6.1K | -6.1K | -100.0% | 0.0% | Sold Out | 58 |
| Alphadyne Asset Management | 3 | 0 | 7.6K | -7.6K | -100.0% | 0.0% | Sold Out | 58 |
| Bridgewater Associates | 1 | 317 | 9.5K | -9.1K | -96.6% | 0.0% | Reduced | 58 |
| Moore Capital Management | 3 | 641 | 42.3K | -41.6K | -98.5% | 0.0% | Reduced | 58 |
| D. E. Shaw & Co., Inc. | 1 | 561.9K | 1.2M | -611.0K | -52.1% | 0.9% | Reduced | 58 |
| Rokos Capital Management | 2 | 72.8K | 57.1K | +15.7K | +27.5% | 4.4% | Increased | 58 |
| Holocene Advisors, LP | 2 | 82.9K | 305.8K | -222.8K | -72.9% | 0.4% | Reduced | 57 |
| Discovery Capital Management | 2 | 207.6K | 183.7K | +23.9K | +13.0% | 19.8% | Increased | 57 |
| Magnetar Capital | 2 | 0 | 650 | -650 | -100.0% | 0.0% | Sold Out | 56 |
| MARSHALL WACE, LLP | 2 | 209.2K | 564.6K | -355.4K | -62.9% | 0.6% | Reduced | 56 |
| Qube Research & Technologies Ltd | 2 | 409.7K | 844.2K | -434.6K | -51.5% | 1.1% | Reduced | 54 |
| CastleKnight Management | 3 | 2.4K | 37.6K | -35.3K | -93.8% | 0.2% | Reduced | 54 |
| Capstone Investment Advisors | 3 | 19.4K | 3.7K | +15.7K | +421.3% | 0.5% | Increased | 53 |
| Capula Management | 2 | 249 | 7.7K | -7.5K | -96.8% | 0.0% | Reduced | 53 |
| Brevan Howard Capital Management | 3 | 25.4K | 131.6K | -106.2K | -80.7% | 1.1% | Reduced | 53 |
| Lighthouse Investment Partners | 3 | 0 | 3.3K | -3.3K | -100.0% | 0.0% | Sold Out | 53 |
| ExodusPoint Capital Management | 3 | 10.9K | 72.5K | -61.6K | -85.0% | 0.2% | Reduced | 53 |
| Woodline Partners LP | 2 | 21.3K | 9.5K | +11.8K | +123.6% | 0.2% | Increased | 53 |
| SCGE Management | 1 | 75.8K | 62.9K | +12.9K | +20.5% | 2.9% | Increased | 53 |
| WORLDQUANT MILLENNIUM ADVISORS LLC | 2 | 39.9K | 93.8K | -54.0K | -57.5% | 0.3% | Reduced | 49 |
| Winton Group | 4 | 6.1K | 615 | +5.5K | +899.3% | 0.5% | Increased | 49 |
| Man Group | 3 | 21.6K | 92.5K | -70.9K | -76.7% | 0.1% | Reduced | 49 |
| Voloridge Investment Management | 2 | 33.2K | 94.0K | -60.8K | -64.6% | 0.3% | Reduced | 48 |
| Southpoint Capital Advisors | 2 | 40.0K | 60.0K | -20.0K | -33.3% | 2.1% | Reduced | 48 |
| Parallax Volatility Advisers | 3 | 6.6K | 3.5K | +3.2K | +91.7% | 0.8% | Increased | 48 |
| Quantbot Technologies | 4 | 544 | 0 | +544 | — | 0.0% | New | 47 |
| Y-Intercept | 4 | 8.1K | 47.5K | -39.3K | -82.8% | 0.4% | Reduced | 47 |
| Jain Global | 3 | 19.8K | 60.3K | -40.5K | -67.2% | 0.6% | Reduced | 47 |
| Sona Asset Management | 3 | 2.5K | 10.0K | -7.5K | -75.0% | 0.4% | Reduced | 47 |
| Cinctive Capital Management | 3 | 1.4K | 9.3K | -8.0K | -85.3% | 0.1% | Reduced | 46 |
| J. Goldman & Co. | 3 | 188 | 3.0K | -2.8K | -93.7% | 0.0% | Reduced | 45 |
| Squarepoint Ops LLC | 2 | 211.8K | 278.6K | -66.8K | -24.0% | 1.1% | Reduced | 43 |
| Armistice Capital | 3 | 1.6K | 5.9K | -4.2K | -72.3% | 0.1% | Reduced | 42 |
| AQR Capital Management | 3 | 445.3K | 693.8K | -248.5K | -35.8% | 0.3% | Reduced | 42 |
| Graham Capital Management | 3 | 164 | 1.1K | -980 | -85.7% | 0.0% | Reduced | 42 |
| Walleye Capital | 3 | 47.0K | 82.0K | -35.0K | -42.7% | 0.9% | Reduced | 41 |
| Gotham Asset Management, LLC | 2 | 61.9K | 100.5K | -38.6K | -38.4% | 0.4% | Reduced | 41 |
| Engineers Gate | 4 | 4.7K | 18.7K | -14.0K | -74.7% | 0.1% | Reduced | 40 |
| Trexquant Investment | 3 | 25.8K | 51.7K | -25.9K | -50.0% | 0.4% | Reduced | 40 |
| LMR Partners | 3 | 29.0K | 47.2K | -18.1K | -38.5% | 0.8% | Reduced | 39 |
| Boothbay Fund Management | 4 | 1.3K | 5.4K | -4.0K | -75.5% | 0.1% | Reduced | 39 |
| Verition Fund Management | 2 | 11.9K | 20.3K | -8.4K | -41.3% | 0.3% | Reduced | 38 |
| Centiva Capital | 4 | 923 | 3.2K | -2.3K | -71.1% | 0.1% | Reduced | 38 |
| Tudor Investment Corporation | 2 | 80.8K | 66.2K | +14.6K | +22.0% | 0.9% | Increased | 36 |
| Voleon Capital Management | 3 | 29.1K | 38.3K | -9.2K | -24.1% | 1.2% | Reduced | 36 |
| SRS Investment Management | 1 | 35.4K | 35.1K | +279 | +0.8% | 0.8% | Increased | 32 |
| Schonfeld Strategic Advisors | 3 | 44.1K | 38.3K | +5.9K | +15.3% | 0.7% | Increased | 31 |
| Caption Management | 3 | 17.1K | 18.3K | -1.2K | -6.5% | 1.4% | Reduced | 30 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 2 | 115.1K | 112.2K | +2.9K | +2.6% | 0.4% | Increased | 29 |
Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeHedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.