Position in LAB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,933,853
-$2,402,054 QoQ
Shares Held
2,102,015
-37.9% QoQ
Ownership
0.539%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in LAB Over Time
Shares Held
Position Value (USD)
Derivatives in LAB
reported options exposure · as of Dec 31, 2024CallValue
$0
CallShares
0
PutValue
$32,200
PutShares
18,400
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Mar 31, 2026MILLENNIUM MANAGEMENT LLC holds $2,438,858,395 across 79 Medical Devices names. LAB ranks #49 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
1,098,136 | $360,594,918 | |
| 2 | BSX |
Boston Scientific Corp
|
4,337,804 | $272,197,201 | |
| 3 | IRTC |
iRhythm Holdings, Inc.
|
1,608,014 | $189,777,812 | |
| 4 | MASI |
Masimo Corp
|
988,853 | $175,887,283 | |
| 5 | LIVN |
LivaNova PLC
|
2,438,671 | $155,001,928 | |
| 6 | EW |
Edwards Lifesciences Corp
|
1,796,821 | $143,889,425 | |
| 7 | GMED |
Globus Medical Inc
|
1,643,352 | $141,591,208 | |
| 8 | ABT |
Abbott Laboratories
|
1,323,342 | $135,867,523 |
All Filings in LAB
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,933,853 | 2,102,015 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $4,335,907 | 3,387,428 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,889,647 | 1,453,575 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,832,966 | 2,360,805 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $5,479,201 | 5,073,335 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $12,392,994 | 7,081,711 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $32,200 | 18,400 | Put | Sole | 2025-02-14 | |
| 2024-09-30 | $13,479,567 | 6,984,232 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $11,012,927 | 6,221,993 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $38,951,369 | 14,373,199 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $3,266,196 | 1,477,917 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,242,942 | 428,601 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,131,495 | 586,267 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,778,616 | 912,111 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $923,676 | 789,467 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,012,064 | 920,059 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,166,915 | 1,354,322 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $2,493,222 | 694,491 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $490,000 | 125,000 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $2,328,499 | 594,005 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $18,798,067 | 2,852,514 | Shares | Sole | 2021-11-15 | |
| 2021-09-30 | $659,000 | 100,000 | Call | Sole | 2021-11-15 | |
| 2021-06-30 | $20,837,167 | 3,382,657 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,983,634 | 1,102,574 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $9,978,522 | 1,663,087 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $22,826,304 | 3,072,181 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $7,458,467 | 1,859,967 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $2,265,464 | 891,915 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||