MTSI MACOM Technology Solutions Holdings, Inc.
MACOM Technology Solutions Holdings, Inc. (MTSI) 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 |
|---|---|---|---|---|---|---|
| Qube Research & Technologies Ltd Quant | New | +790.7K | — | $300.8M | 0.3% | 67 |
| Bridgewater Associates Quant Macro | Sold Out | -10.7K | -100.0% | $4.1M | 0.0% | 63 |
| WORLDQUANT MILLENNIUM ADVISORS LLC Quant | New | +43.0K | — | $16.4M | 0.1% | 60 |
| Discovery Capital Management Long/Short Macro | New | +26.9K | — | $10.2M | 0.4% | 60 |
| Polar Asset Management Partners Long/Short | Sold Out | -27.8K | -100.0% | $10.6M | 0.0% | 59 |
| CITADEL ADVISORS LLC Quant | Reduced | -546.9K | -92.6% | $208.0M | 0.0% | 58 |
| Tudor Investment Corporation Macro | New | +60.9K | — | $23.2M | 0.1% | 58 |
| Capula Management Quant Macro | New | +2.9K | — | $1.1M | 0.0% | 58 |
| Maverick Capital Long/Short Growth | New | +1.8K | — | $681.6K | 0.0% | 57 |
| Whale Rock Capital Management Growth Tech | Reduced | -186.2K | -15.8% | $70.8M | 3.0% | 57 |
Most significant buyers
By move score, not size.
- Qube Research & Technologies Ltd
- WORLDQUANT MILLENNIUM ADVISORS LLC
- Discovery Capital Management
- Tudor Investment Corporation
- Capula Management
Most significant sellers
By move score, not size.
- Bridgewater Associates
- Polar Asset Management Partners
- CITADEL ADVISORS LLC
- Whale Rock Capital Management
- Cinctive Capital Management
Hedge fund positions
| Fund | Tier | Shares | Previous | Change | Change % | Portfolio wt. | Action | Score |
|---|---|---|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 2 | 790.7K | 0 | +790.7K | — | 0.3% | New | 67 |
| Bridgewater Associates | 1 | 0 | 10.7K | -10.7K | -100.0% | 0.0% | Sold Out | 63 |
| WORLDQUANT MILLENNIUM ADVISORS LLC | 2 | 43.0K | 0 | +43.0K | — | 0.1% | New | 60 |
| Discovery Capital Management | 2 | 26.9K | 0 | +26.9K | — | 0.4% | New | 60 |
| Polar Asset Management Partners | 3 | 0 | 27.8K | -27.8K | -100.0% | 0.0% | Sold Out | 59 |
| CITADEL ADVISORS LLC | 1 | 43.7K | 590.6K | -546.9K | -92.6% | 0.0% | Reduced | 58 |
| Tudor Investment Corporation | 2 | 60.9K | 0 | +60.9K | — | 0.1% | New | 58 |
| Capula Management | 2 | 2.9K | 0 | +2.9K | — | 0.0% | New | 58 |
| Maverick Capital | 2 | 1.8K | 0 | +1.8K | — | 0.0% | New | 57 |
| Whale Rock Capital Management | 1 | 988.8K | 1.2M | -186.2K | -15.8% | 3.0% | Reduced | 57 |
| Cinctive Capital Management | 3 | 0 | 44.1K | -44.1K | -100.0% | 0.0% | Sold Out | 57 |
| Weiss Asset Management | 2 | 18.1K | 0 | +18.1K | — | 0.1% | New | 57 |
| Jain Global | 3 | 0 | 26.7K | -26.7K | -100.0% | 0.0% | Sold Out | 56 |
| Holocene Advisors, LP | 2 | 1.5K | 0 | +1.5K | — | 0.0% | New | 56 |
| Brevan Howard Capital Management | 3 | 61.9K | 0 | +61.9K | — | 0.4% | New | 56 |
| Armistice Capital | 3 | 0 | 16.8K | -16.8K | -100.0% | 0.0% | Sold Out | 55 |
| Hudson Bay Capital Management | 3 | 2.9K | 0 | +2.9K | — | 0.0% | New | 55 |
| Trexquant Investment | 3 | 26.6K | 0 | +26.6K | — | 0.1% | New | 55 |
| Capstone Investment Advisors | 3 | 1.8K | 0 | +1.8K | — | 0.0% | New | 53 |
| J. Goldman & Co. | 3 | 7.2K | 0 | +7.2K | — | 0.1% | New | 53 |
| MARSHALL WACE, LLP | 2 | 1.1K | 25.0K | -23.9K | -95.6% | 0.0% | Reduced | 51 |
| Engineers Gate | 4 | 4.4K | 0 | +4.4K | — | 0.0% | New | 50 |
| Balyasny Asset Management L.P. | 2 | 22.8K | 95.3K | -72.4K | -76.0% | 0.0% | Reduced | 49 |
| LMR Partners | 3 | 9.1K | 75.0K | -65.9K | -87.9% | 0.0% | Reduced | 49 |
| Aquatic Capital Management | 4 | 1.5K | 0 | +1.5K | — | 0.0% | New | 48 |
| Quantbot Technologies | 4 | 2.5K | 0 | +2.5K | — | 0.0% | New | 45 |
| Point72 Asset Management, L.P. | 1 | 67.5K | 125.7K | -58.3K | -46.3% | 0.0% | Reduced | 44 |
| Schonfeld Strategic Advisors | 3 | 9.8K | 40.6K | -30.8K | -76.0% | 0.0% | Reduced | 43 |
| MILLENNIUM MANAGEMENT LLC | 2 | 430.4K | 335.2K | +95.2K | +28.4% | 0.1% | Increased | 38 |
| Caxton Associates | 3 | 7.0K | 15.3K | -8.3K | -54.3% | 0.1% | Reduced | 38 |
| TWO SIGMA INVESTMENTS, LP | 2 | 53.0K | 39.3K | +13.6K | +34.7% | 0.0% | Increased | 36 |
| ExodusPoint Capital Management | 3 | 16.1K | 30.7K | -14.6K | -47.7% | 0.1% | Reduced | 35 |
| Squarepoint Ops LLC | 2 | 136.6K | 172.2K | -35.6K | -20.7% | 0.1% | Reduced | 33 |
| Gotham Asset Management, LLC | 2 | 92.3K | 71.6K | +20.7K | +29.0% | 0.1% | Increased | 33 |
| Walleye Capital | 3 | 48.7K | 70.6K | -22.0K | -31.1% | 0.1% | Reduced | 31 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 2 | 80.1K | 70.1K | +10.0K | +14.3% | 0.0% | Increased | 30 |
| AQR Capital Management | 3 | 234.1K | 212.2K | +21.9K | +10.3% | 0.0% | Increased | 24 |
| Boothbay Fund Management | 4 | 6.9K | 8.3K | -1.4K | -17.3% | 0.1% | Reduced | 22 |
| Man Group | 3 | 5.7K | 5.8K | -78 | -1.4% | 0.0% | Reduced | 21 |
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.