AME AMETEK, Inc.
AMETEK, Inc. (AME) 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 |
|---|---|---|---|---|---|---|
| Alyeska Investment Group, L.P. | Sold Out | -116.6K | -100.0% | $28.2M | 0.0% | 60 |
| MILLENNIUM MANAGEMENT LLC | Increased | +413.4K | +111.8% | $100.0M | 0.1% | 60 |
| Cartenna Capital Long/Short | Increased | +115.0K | +21.5% | $27.8M | 5.8% | 58 |
| Wolverine Asset Management Event Quant | New | +15.0K | — | $3.6M | 0.2% | 57 |
| TWO SIGMA INVESTMENTS, LP Quant | Reduced | -1.22M | -75.1% | $296.2M | 0.1% | 56 |
| Capula Management Quant Macro | Sold Out | -279 | -100.0% | $67.5K | 0.0% | 56 |
| Trexquant Investment Quant | Sold Out | -77.7K | -100.0% | $18.8M | 0.0% | 55 |
| Squarepoint Ops LLC Quant | Increased | +232.6K | +2807.7% | $56.3M | 0.1% | 55 |
| Capstone Investment Advisors Quant Macro | Sold Out | -4.4K | -100.0% | $1.1M | 0.0% | 55 |
| Quadrature Capital Quant | New | +6.7K | — | $1.6M | 0.0% | 55 |
Most significant buyers
By move score, not size.
- MILLENNIUM MANAGEMENT LLC
- Cartenna Capital
- Wolverine Asset Management
- Squarepoint Ops LLC
- Quadrature Capital
Most significant sellers
By move score, not size.
- Alyeska Investment Group, L.P.
- TWO SIGMA INVESTMENTS, LP
- Capula Management
- Trexquant Investment
- Capstone Investment Advisors
Hedge fund positions
| Fund | Tier | Shares | Previous | Change | Change % | Portfolio wt. | Action | Score |
|---|---|---|---|---|---|---|---|---|
| Alyeska Investment Group, L.P. | 2 | 0 | 116.6K | -116.6K | -100.0% | 0.0% | Sold Out | 60 |
| MILLENNIUM MANAGEMENT LLC | 2 | 783.3K | 369.9K | +413.4K | +111.8% | 0.1% | Increased | 60 |
| Cartenna Capital | 2 | 650.0K | 535.0K | +115.0K | +21.5% | 5.8% | Increased | 58 |
| Wolverine Asset Management | 2 | 15.0K | 0 | +15.0K | — | 0.2% | New | 57 |
| TWO SIGMA INVESTMENTS, LP | 2 | 406.7K | 1.6M | -1.22M | -75.1% | 0.1% | Reduced | 56 |
| Capula Management | 2 | 0 | 279 | -279 | -100.0% | 0.0% | Sold Out | 56 |
| Trexquant Investment | 3 | 0 | 77.7K | -77.7K | -100.0% | 0.0% | Sold Out | 55 |
| Squarepoint Ops LLC | 2 | 240.9K | 8.3K | +232.6K | +2807.7% | 0.1% | Increased | 55 |
| Capstone Investment Advisors | 3 | 0 | 4.4K | -4.4K | -100.0% | 0.0% | Sold Out | 55 |
| Quadrature Capital | 3 | 6.7K | 0 | +6.7K | — | 0.0% | New | 55 |
| Weiss Asset Management | 2 | 2.0K | 0 | +2.0K | — | 0.0% | New | 54 |
| Cinctive Capital Management | 3 | 30.6K | 0 | +30.6K | — | 0.3% | New | 53 |
| Scopus Asset Management | 2 | 221.9K | 130.5K | +91.4K | +70.0% | 1.5% | Increased | 52 |
| Y-Intercept | 4 | 0 | 33.7K | -33.7K | -100.0% | 0.0% | Sold Out | 51 |
| Schonfeld Strategic Advisors | 3 | 226.9K | 57.3K | +169.6K | +296.0% | 0.4% | Increased | 51 |
| Winton Group | 4 | 0 | 9.3K | -9.3K | -100.0% | 0.0% | Sold Out | 51 |
| CenterBook Partners | 4 | 1.6K | 0 | +1.6K | — | 0.0% | New | 49 |
| WORLDQUANT MILLENNIUM ADVISORS LLC | 2 | 121.2K | 68.4K | +52.8K | +77.2% | 0.1% | Increased | 49 |
| ExodusPoint Capital Management | 3 | 26.3K | 7.0K | +19.3K | +273.2% | 0.1% | Increased | 48 |
| Voleon Capital Management | 3 | 40.2K | 10.6K | +29.6K | +279.5% | 0.2% | Increased | 48 |
| Edgestream Partners | 4 | 37.0K | 1.3K | +35.7K | +2792.4% | 0.3% | Increased | 46 |
| MARSHALL WACE, LLP | 2 | 275.4K | 173.3K | +102.1K | +58.9% | 0.1% | Increased | 44 |
| Balyasny Asset Management L.P. | 2 | 1.1M | 763.4K | +289.3K | +37.9% | 0.5% | Increased | 44 |
| D. E. Shaw & Co., Inc. | 1 | 591.1K | 890.3K | -299.1K | -33.6% | 0.1% | Reduced | 42 |
| RENAISSANCE TECHNOLOGIES LLC | 1 | 182.0K | 306.2K | -124.2K | -40.6% | 0.1% | Reduced | 42 |
| Engineers Gate | 4 | 62.2K | 220.2K | -157.9K | -71.7% | 0.2% | Reduced | 42 |
| Woodline Partners LP | 2 | 3.7K | 10.8K | -7.1K | -65.9% | 0.0% | Reduced | 41 |
| Point72 Asset Management, L.P. | 1 | 480.4K | 373.9K | +106.5K | +28.5% | 0.2% | Increased | 40 |
| Magnetar Capital | 2 | 8.1K | 4.9K | +3.2K | +64.8% | 0.0% | Increased | 40 |
| CITADEL ADVISORS LLC | 1 | 1.1M | 1.4M | -327.1K | -22.6% | 0.2% | Reduced | 40 |
| Verition Fund Management | 2 | 22.4K | 45.8K | -23.4K | -51.2% | 0.1% | Reduced | 38 |
| Man Group | 3 | 1.5M | 1.1M | +333.8K | +29.3% | 0.7% | Increased | 38 |
| Aquatic Capital Management | 4 | 24.8K | 63.0K | -38.1K | -60.6% | 0.2% | Reduced | 36 |
| Davidson Kempner Capital Management | 2 | 200.0K | 180.0K | +20.0K | +11.1% | 1.1% | Increased | 36 |
| Voloridge Investment Management | 2 | 392.5K | 507.7K | -115.3K | -22.7% | 0.4% | Reduced | 34 |
| AQR Capital Management | 3 | 1.4M | 1.0M | +330.6K | +31.7% | 0.1% | Increased | 34 |
| Caxton Associates | 3 | 11.2K | 16.6K | -5.4K | -32.7% | 0.1% | Reduced | 32 |
| Gotham Asset Management, LLC | 2 | 184.6K | 147.8K | +36.8K | +24.9% | 0.1% | Increased | 32 |
| Quantbot Technologies | 4 | 30.2K | 61.4K | -31.2K | -50.8% | 0.3% | Reduced | 32 |
| Qube Research & Technologies Ltd | 2 | 1.5M | 1.4M | +79.2K | +5.5% | 0.4% | Increased | 32 |
| Bridgewater Associates | 1 | 117.7K | 116.5K | +1.2K | +1.0% | 0.1% | Increased | 31 |
| Walleye Capital | 3 | 178.4K | 152.5K | +25.9K | +17.0% | 0.3% | Increased | 28 |
| Jain Global | 3 | 85.2K | 74.0K | +11.2K | +15.2% | 0.3% | Increased | 28 |
| Tudor Investment Corporation | 2 | 89.3K | 100.3K | -11.0K | -11.0% | 0.1% | Reduced | 28 |
| Boothbay Fund Management | 4 | 97.0K | 84.8K | +12.2K | +14.4% | 0.5% | Increased | 26 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 2 | 204.2K | 206.2K | -2.0K | -1.0% | 0.1% | Reduced | 25 |
| Lighthouse Investment Partners | 3 | 26.9K | 30.3K | -3.4K | -11.3% | 0.2% | Reduced | 24 |
| Brevan Howard Capital Management | 3 | 7.0K | 5.8K | +1.2K | +20.1% | 0.0% | Increased | 23 |
| Graham Capital Management | 3 | 19.6K | 23.3K | -3.6K | -15.7% | 0.2% | Reduced | 23 |
| Hudson Bay Capital Management | 3 | 77.8K | 78.2K | -404 | -0.5% | 0.1% | Reduced | 23 |
| Centiva Capital | 4 | 5.7K | 5.5K | +192 | +3.5% | 0.1% | Increased | 18 |
| Chilton Investment Company | 2 | 1.6K | 1.6K | 0 | +0.0% | 0.0% | Unchanged | 18 |
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.