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NEEDHAM INVESTMENT MANAGEMENT LLC

Position in MASS — 908 Devices Inc.

CIK 1167212 NEW YORK, NY

Position in MASS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$15,839,394
+$8,250,594 QoQ
Shares Held
1,820,620
+46.8% QoQ
Ownership
4.40%
of shares outstanding
% of Portfolio
0.48%
of 13F equity value
Holder Rank
#5
of 111 holders
Holding Since
Jun 2024
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

NEEDHAM INVESTMENT MANAGEMENT LLC holds $47,654,692 across 4 Medical Devices names. MASS ranks #2 (33.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MASS
908 Devices Inc.
This page
1,820,620 $15,839,394

All Filings in MASS

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,839,394 1,820,620
2026-03-31 $7,588,800 1,240,000
2025-12-31 $4,042,500 770,000
2025-09-30 $1,944,720 222,000
2025-06-30 $1,069,500 150,000
2025-03-31 $896,000 200,000
2024-12-31 $440,000 200,000
2024-09-30 $347,000 100,000
2024-06-30 $257,500 50,000