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STATE OF WISCONSIN INVESTMENT BOARD

Position in MASS — 908 Devices Inc.

CIK 854157 MADISON, WI

Position in MASS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$236,379
+$76,048 QoQ
Shares Held
27,170
+3.7% QoQ
Ownership
0.066%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#52
of 111 holders
Holding Since
Jun 2022
9 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

STATE OF WISCONSIN INVESTMENT BOARD holds $435,169,679 across 41 Medical Devices names. MASS ranks #38 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MASS

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $236,379 27,170
2026-03-31 $160,331 26,198
2025-12-31 $169,543 32,294
2023-12-31 $200,097 17,834
2023-09-30 $172,054 25,834
2023-06-30 $219,067 31,934
2023-03-31 $270,332 31,434
2022-12-31 $199,636 26,199
2022-06-30 $696,394 33,822