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ARK Investment Management LLC

Position in MASS — 908 Devices Inc.

CIK 1697748 ST. PETERSBURG, FL

Position in MASS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$17,642,904
+$5,729,192 QoQ
Shares Held
2,027,920
+4.2% QoQ
Ownership
4.91%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#3
of 111 holders
Holding Since
Dec 2020
23 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 Jun 30, 2026

ARK Investment Management LLC holds $595,324,133 across 10 Medical Devices names. MASS ranks #6 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MASS
908 Devices Inc.
This page
2,027,920 $17,642,904

All Filings in MASS

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $17,642,904 2,027,920
2026-06-30 $17,642,904 2,027,920
2026-05-31 $15,837,762 1,883,206
2026-03-31 $11,913,712 1,946,685
2025-12-31 $10,426,426 1,985,986
2025-09-30 $17,115,042 1,953,772
2025-06-30 $18,882,222 2,648,278
2025-03-31 $12,989,074 2,899,347
2024-12-31 $6,134,845 2,788,566
2024-09-30 $11,171,835 3,219,549
2024-06-30 $20,278,799 3,937,631
2024-03-31 $30,569,481 4,048,938
2023-12-31 $48,768,616 4,346,579
2023-09-30 $26,729,643 4,013,460
2023-06-30 $27,254,128 3,972,905
2023-03-31 $34,338,931 3,992,899
2022-12-31 $28,113,799 3,689,475
2022-09-30 $62,101,941 3,775,194
2022-06-30 $74,705,049 3,628,220
2022-03-31 $66,210,423 3,482,926
2021-12-31 $77,516,686 2,996,393
2021-09-30 $89,458,520 2,750,877
2021-06-30 $95,106,333 2,454,357
2021-03-31 $52,034,001 1,072,866
2020-12-31 $24,901,273 437,248