Position in PEN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$28,581,689
+$16,668,427 QoQ
Shares Held
90,520
+149.5% QoQ
Ownership
0.230%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#63
of 437 holders
Holding Since
Sep 2020
18 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in PEN Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $951,017,652 across 59 Medical Devices names. PEN ranks #6 (3.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
5,542,438 | $502,920,823 | |
| 2 | BSX |
Boston Scientific Corp
|
2,414,223 | $103,039,037 | |
| 3 | GKOS |
GLAUKOS Corp
|
314,804 | $43,997,006 | |
| 4 | DXCM |
Dexcom Inc
|
532,804 | $35,884,349 | |
| 5 | EW |
Edwards Lifesciences Corp
|
344,361 | $31,150,895 | |
| 6 | PEN |
Penumbra Inc
This page
|
90,520 | $28,581,689 | |
| 7 | SYK |
Stryker Corp
|
51,116 | $16,093,361 | |
| 8 | GMED |
Globus Medical Inc
|
188,541 | $14,896,623 |
All Filings in PEN
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $28,581,689 | 90,520 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $11,913,262 | 36,280 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $32,748,460 | 105,331 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $2,954,977 | 11,665 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $21,051,614 | 82,031 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $4,985,057 | 18,642 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $10,437,720 | 43,952 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $354,032 | 1,822 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $19,381,328 | 107,692 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $4,560,683 | 20,435 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $12,748,298 | 50,681 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $10,830,068 | 44,769 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $25,327,632 | 73,614 | Shares | Other | 2023-08-14 | |
| 2022-09-30 | $2,498,928 | 13,180 | Shares | Other | 2022-11-14 | |
| 2021-06-30 | $221,988 | 810 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $21,429,124 | 79,197 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $2,870,350 | 16,402 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $548,929 | 2,824 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||