908 Devices Inc. - Common Stock, $0.001 par value (MASS)

CUSIP: 65443P102

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, $0.001 par value
Shares outstanding
36,189,228
Total 13F shares
26,160,214
Share change
+1,545,937
Total reported value
$137,342,999
Put/Call ratio
0%
Price per share
$5.25
Number of holders
117
Value change
+$6,718,786
Number of buys
55
Number of sells
50

Quarterly Holders Quick Answers

What is CUSIP 65443P102?
CUSIP 65443P102 identifies MASS - 908 Devices Inc. - Common Stock, $0.001 par value in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Top shareholders of MASS - 908 Devices Inc. - Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
AWM Investment Company, Inc.
13F 13D/G 3/4/5
Company · 10%+ Owner
15%
from 13D/G
5,199,924
$45,551,334 30 Sep 2025
First Light Asset Management, LLC
13D/G 13F
Mathew P. Arens · Company
17%
6,184,739
$33,397,591 +$8,120,952 31 Dec 2025
Keith Crandell
3/4/5
Director, 10%+ Owner
mixed-class rows
5,770,935
mixed-class rows
$26,739,062 11 Jun 2025
STATE STREET CORP
13F 13D/G
Company · STATE STREET CORPORATION
1.6%
from 13D/G
2,298,648
$20,136,156 30 Sep 2025
ARK Investment Management LLC
13D/G 13F
Company
5.4%
1,953,772
$17,115,043 -$7,312,787 30 Sep 2025
BlackRock, Inc.
13F 13D/G
Company
4.6%
from 13D/G
1,756,205
$15,384,357 30 Sep 2025
VANGUARD GROUP INC
13F 13D/G
Company · The Vanguard Group
3.8%
from 13D/G
1,421,732
$12,454,372 30 Sep 2025
GM Advisory Group, LLC
13F
Company
1.9%
678,086
$5,940,033 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.9%
672,089
$5,888,669 30 Sep 2025
13F
First Eagle Investment Management, LLC
13F
Company
1.7%
603,962
$5,290,707 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
1.6%
571,680
$5,007,918 30 Sep 2025
13F
Tao Capital Management LP
13F
Company
1.6%
568,981
$4,984,274 30 Sep 2025
13F
ESSEX INVESTMENT MANAGEMENT CO LLC
13F
Company
1.4%
493,949
$4,326,993 30 Sep 2025
13F
MARSHALL WACE, LLP
13F
Company
1.2%
439,639
$3,851,237 30 Sep 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.9%
324,788
$2,843,470 30 Sep 2025
13F
Sumitomo Mitsui Trust Group, Inc.
13F
Company
0.88%
318,350
$2,788,746 30 Sep 2025
13F
Amova Asset Management Americas, Inc.
13F
Company
0.88%
318,350
$2,785,563 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.75%
270,069
$2,365,804 30 Sep 2025
13F
E. Kevin Hrusovsky
3/4/5
Director
mixed-class rows
501,581
mixed-class rows
$2,236,565 11 Jun 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.67%
241,119
$2,112,202 30 Sep 2025
13F
NEEDHAM INVESTMENT MANAGEMENT LLC
13F
Company
0.61%
222,000
$1,944,720 30 Sep 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.58%
209,300
$1,833,468 30 Sep 2025
13F
NORTHERN TRUST CORP
13F
Company
0.57%
208,032
$1,822,360 30 Sep 2025
13F
Mitsubishi UFJ Asset Management Co., Ltd.
13F
Company
0.56%
202,175
$1,771,053 30 Sep 2025
13F
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.
13F
Company
0.53%
190,005
$1,664,444 30 Sep 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.51%
184,218
$1,614,000 30 Sep 2025
13F
RAYMOND JAMES FINANCIAL INC
13F
Company
0.51%
183,282
$1,605,551 30 Sep 2025
13F
Legato Capital Management LLC
13F
Company
0.39%
142,055
$1,244,402 30 Sep 2025
13F
Squarepoint Ops LLC
13F
Company
0.37%
133,774
$1,171,860 30 Sep 2025
13F
Trent A. Basarsky
3/4/5
VP, Corporate Development
mixed-class rows
145,779
mixed-class rows
$966,400 27 Apr 2022
AQR CAPITAL MANAGEMENT LLC
13F
Company
0.29%
105,179
$921,368 30 Sep 2025
13F
Meros Investment Management, LP
13F
Company
0.29%
104,323
$913,869 30 Sep 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
0.28%
103,025
$902,497 30 Sep 2025
13F
Parkman Healthcare Partners LLC
13F
Company
0.28%
100,368
$879,224 30 Sep 2025
13F
Nuveen, LLC
13F
Company
0.28%
99,988
$875,895 30 Sep 2025
13F
BANK OF MONTREAL /CAN/
13F
Company
0.25%
90,852
$795,864 30 Sep 2025
13F
Informed Momentum Co LLC
13F
Company
0.24%
86,595
$758,572 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.22%
79,690
$698,084 30 Sep 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.2%
72,327
$633,585 30 Sep 2025
13F
Cassaday & Co Wealth Management LLC
13F
Company
0.2%
71,629
$627,471 30 Sep 2025
13F
LPL Financial LLC
13F
Company
0.19%
69,173
$605,955 30 Sep 2025
13F
Bruce & Co., Inc.
13F
Company
0.19%
68,286
$598,185 30 Sep 2025
13F
Campbell & CO Investment Adviser LLC
13F
Company
0.18%
66,481
$582,374 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
0.18%
66,223
$580,111 30 Sep 2025
13F
Granahan Investment Management, LLC
13F
Company
0.18%
64,338
$563,601 30 Sep 2025
13F
UBS Group AG
13F
Company
0.17%
60,664
$531,417 30 Sep 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
0.16%
56,108
$491,506 30 Sep 2025
13F
IQ EQ FUND MANAGEMENT (IRELAND) Ltd
13F
Company
0.15%
52,787
$462,414 30 Sep 2025
13F
Cubist Systematic Strategies, LLC
13F
Company
0.13%
47,934
$419,902 30 Sep 2025
13F
Mark Spoto
3/4/5
Director
mixed-class rows
99,461
mixed-class rows
$414,024 +$42,850 14 Oct 2025

Institutional Holders of 908 Devices Inc. - Common Stock, $0.001 par value (MASS) as of Q4 2025

As of 31 Dec 2025, 908 Devices Inc. - Common Stock, $0.001 par value (MASS) was held by 117 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 26,160,214 shares. The largest 10 holders included AWM Investment Company, Inc., First Light Asset Management, LLC, ARK Investment Management LLC, BlackRock, Inc., VANGUARD GROUP INC, NEEDHAM INVESTMENT MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, First Eagle Investment Management, LLC, STATE STREET CORP, and Tao Capital Management LP. This page lists 117 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
105
Q4 2025 holders
117
Holder diff
12
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.