Position in MASS
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$11,913,712
+$1,487,286 QoQ
Shares Held
1,946,685
-2.0% QoQ
Ownership
5.15%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MASS Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026ARK Investment Management LLC holds $127,507,465 across 8 Medical Devices names. MASS ranks #4 (9.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PACB |
Pacific Biosciences Of California, Inc.
|
36,273,288 | $47,880,740 | |
| 2 | CERS |
Cerus Corp
|
19,161,148 | $34,873,289 | |
| 3 | BFLY |
Butterfly Network, Inc.
|
5,227,503 | $21,119,112 | |
| 4 | MASS |
908 Devices Inc.
This page
|
1,946,685 | $11,913,712 | |
| 5 | QSI |
Quantum-Si Inc
|
6,878,899 | $5,324,267 | |
| 6 | BWAY |
Brainsway Ltd.
|
193,686 | $2,574,086 | |
| 7 | INMD |
InMode Ltd.
|
157,726 | $2,157,691 | |
| 8 | NNOX |
Nano-X Imaging Ltd.
|
733,290 | $1,664,568 |
All Filings in MASS
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-05-31 | $15,837,762 | 1,883,206 | Shares | Sole | 2026-06-05 | |
| 2026-03-31 | $11,913,712 | 1,946,685 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $10,426,426 | 1,985,986 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $17,115,042 | 1,953,772 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $18,882,222 | 2,648,278 | Shares | Sole | 2025-07-30 | |
| 2025-03-31 | $12,989,074 | 2,899,347 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $6,134,845 | 2,788,566 | Shares | Sole | 2025-02-04 | |
| 2024-09-30 | $11,171,835 | 3,219,549 | Shares | Sole | 2024-10-31 | |
| 2024-06-30 | $20,278,799 | 3,937,631 | Shares | Sole | 2024-07-26 | |
| 2024-03-31 | $30,569,481 | 4,048,938 | Shares | Sole | 2024-04-18 | |
| 2023-12-31 | $48,768,616 | 4,346,579 | Shares | Sole | 2024-01-17 | |
| 2023-09-30 | $26,729,643 | 4,013,460 | Shares | Sole | 2023-10-18 | |
| 2023-06-30 | $27,254,128 | 3,972,905 | Shares | Sole | 2023-07-10 | |
| 2023-03-31 | $34,338,931 | 3,992,899 | Shares | Sole | 2023-04-17 | |
| 2022-12-31 | $28,113,799 | 3,689,475 | Shares | Sole | 2023-01-24 | |
| 2022-09-30 | $62,101,941 | 3,775,194 | Shares | Sole | 2022-10-17 | |
| 2022-06-30 | $74,705,049 | 3,628,220 | Shares | Sole | 2022-07-11 | |
| 2022-03-31 | $66,210,423 | 3,482,926 | Shares | Sole | 2022-04-19 | |
| 2021-12-31 | $77,516,686 | 2,996,393 | Shares | Sole | 2022-01-28 | |
| 2021-09-30 | $89,458,520 | 2,750,877 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $95,106,333 | 2,454,357 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $52,034,001 | 1,072,866 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $24,901,273 | 437,248 | Shares | Sole | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||