HBK INVESTMENTS L P
Top Portfolio Positions
182 positions ·
$8,705,657,336 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| HOLX |
HOLOGIC INC
Healthcare
|
9,800,000 | $740,782,000 | 8.51% | |
| EA |
Electronic Arts Inc.
Communication Services
|
3,270,100 | $666,675,287 | 7.66% | |
| NVDA |
Nvidia Corp
Technology
|
3,429,817 | $598,160,084 | 6.87% | |
| PEN |
Penumbra Inc
Healthcare
|
1,634,261 | $536,642,284 | 6.16% | |
| NSC |
Norfolk Southern Corp
Industrials
|
1,736,356 | $498,334,172 | 5.72% | |
| MASI |
Masimo Corp
Healthcare
|
2,576,109 | $458,212,507 | 5.26% | |
| WBD |
Warner Bros. Discovery, Inc.
Communication Services
|
16,361,200 | $449,278,552 | 5.16% | |
| CTRA |
Coterra Energy Inc.
Energy
|
10,568,659 | $371,382,677 | 4.27% | |
| KVUE |
Kenvue Inc.
Consumer Defensive
|
21,000,001 | $362,040,017 | 4.16% | |
| AL |
SUMISHO AIR LEASE CORP
Industrials
|
5,527,242 | $358,939,095 | 4.12% |
Portfolio Trend
25 quarters · across all stocks
Holdings in MASI
Shares Held
Position Value (USD)
5 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $458,212,507 | 2,576,109 | Shares | Sole | 2026-05-15 | |
| 2023-12-31 | $23,442,000 | 200,000 | Call | Sole | 2024-02-14 | |
| 2023-09-30 | $48,224,000 | 550,000 | Call | Sole | 2023-11-14 | |
| 2023-09-30 | $25,865,600 | 295,000 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $15,344,000 | 175,000 | Put | Sole | 2023-11-14 | |
| No 13F history on record for this holder in this stock. | ||||||