908 Devices Inc. - Common Stock, $0.001 par value (MASS)
CUSIP: 65443P102
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock, $0.001 par value
- Shares outstanding
- 36,189,228
- Total 13F shares
- 3,986,906
- Share change
- +129,713
- Total reported value
- $24,398,595
- Price per share
- $6.12
- Number of holders
- 36
- Value change
- +$831,393
- Number of buys
- 11
- Number of sells
- 16
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.
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- Previous quarter: Q4 2025
Recent filing periods for CUSIP 65443P102:
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 |
|---|---|---|---|---|---|---|---|---|
| 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 | |
| AWM Investment Company, Inc. |
13F
13D/G
|
Company |
15%
from 13D/G
|
5,199,924
|
$27,299,601 | — | 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 | |
| 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
|
1,801,772
|
$9,459,304 | — | 31 Dec 2025 | |
| Kevin J. Knopp |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
1,633,212
mixed-class rows
|
$7,760,502 | -$83,458 | 01 Feb 2026 | |
| VANGUARD GROUP INC |
13F
13D/G
|
Company · The Vanguard Group |
3.8%
from 13D/G
|
1,470,864
|
$7,722,037 | — | 31 Dec 2025 | |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13F
|
Company |
2.1%
|
770,000
|
$4,042,500 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.9%
|
688,566
|
$3,615,638 | — | 31 Dec 2025 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
1.7%
|
623,883
|
$3,275,386 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13D/G
13F
|
STATE STREET CORPORATION · Company |
1.6%
|
596,294
|
$3,219,988 | -$9,127,836 | 31 Dec 2025 | |
| Tao Capital Management LP |
13F
|
Company |
1.6%
|
568,981
|
$2,987,150 | — | 31 Dec 2025 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
1.3%
|
482,614
|
$2,533,724 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.2%
|
440,486
|
$2,312,556 | — | 31 Dec 2025 | |
| E. Kevin Hrusovsky |
3/4/5
|
Director |
—
mixed-class rows
|
501,581
mixed-class rows
|
$2,236,565 | — | 11 Jun 2025 | |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. |
13F
|
Company |
1%
|
361,595
|
$1,898,374 | — | 31 Dec 2025 | |
| Meros Investment Management, LP |
13F
|
Company |
0.96%
|
347,035
|
$1,821,934 | — | 31 Dec 2025 | |
| Sumitomo Mitsui Trust Group, Inc. |
13F
|
Company |
0.8%
|
288,081
|
$1,512,425 | — | 31 Dec 2025 | |
| Amova Asset Management Americas, Inc. |
13F
|
Company |
0.8%
|
288,081
|
$1,509,544 | — | 31 Dec 2025 | |
| GM Advisory Group, LLC |
13F
|
Company |
0.77%
|
278,792
|
$1,463,658 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.73%
|
264,373
|
$1,387,959 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.68%
|
246,614
|
$1,294,615 | — | 31 Dec 2025 | |
| HighMark Wealth Management LLC |
13F
|
Company |
0.67%
|
241,000
|
$1,265,250 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.67%
|
240,929
|
$1,264,877 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.64%
|
230,294
|
$1,209,044 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.61%
|
222,100
|
$1,166,025 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.6%
|
218,676
|
$1,148,049 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.55%
|
199,286
|
$1,046,252 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.53%
|
190,635
|
$1,000,834 | — | 31 Dec 2025 | |
| Trent A. Basarsky |
3/4/5
|
VP, Corporate Development |
—
mixed-class rows
|
145,779
mixed-class rows
|
$966,400 | — | 27 Apr 2022 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.49%
|
178,267
|
$935,902 | — | 31 Dec 2025 | |
| Joseph H. Griffith IV |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
314,027
mixed-class rows
|
$864,557 | -$272,942 | 01 Feb 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.44%
|
158,103
|
$830,041 | — | 31 Dec 2025 | |
| Legato Capital Management LLC |
13F
|
Company |
0.43%
|
155,594
|
$816,868 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.43%
|
154,830
|
$812,000 | — | 31 Dec 2025 | |
| Mitsubishi UFJ Asset Management Co., Ltd. |
13F
|
Company |
0.39%
|
140,503
|
$715,160 | — | 31 Dec 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.34%
|
122,137
|
$641,000 | — | 31 Dec 2025 | |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P |
13F
|
Company |
0.33%
|
120,000
|
$630,000 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.31%
|
112,654
|
$591,434 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.29%
|
104,806
|
$550,231 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.28%
|
99,988
|
$524,938 | — | 31 Dec 2025 | |
| Granahan Investment Management, LLC |
13F
|
Company |
0.25%
|
91,141
|
$478,490 | — | 31 Dec 2025 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.25%
|
90,852
|
$476,974 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.23%
|
81,960
|
$430,290 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.23%
|
81,862
|
$428,000 | — | 31 Dec 2025 | |
| Campbell & CO Investment Adviser LLC |
13F
|
Company |
0.22%
|
80,553
|
$422,903 | — | 31 Dec 2025 | |
| Mark Spoto |
3/4/5
|
Director |
—
mixed-class rows
|
99,461
mixed-class rows
|
$414,024 | +$42,850 | 14 Oct 2025 | |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd |
13F
|
Company |
0.22%
|
78,026
|
$409,637 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.2%
|
72,327
|
$379,717 | — | 31 Dec 2025 | |
| Cassaday & Co Wealth Management LLC |
13F
|
Company |
0.2%
|
71,629
|
$376,053 | — | 31 Dec 2025 |
Institutional Holders of 908 Devices Inc. - Common Stock, $0.001 par value (MASS) as of Q1 2026
As of 31 Mar 2026,
908 Devices Inc. - Common Stock, $0.001 par value (MASS) was held by
36 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
3,986,906 shares.
The largest 10 holders included
VANGUARD CAPITAL MANAGEMENT LLC, Prescott Group Capital Management, L.L.C., HighMark Wealth Management LLC, Sumitomo Mitsui Trust Group, Inc., Amova Asset Management Americas, Inc., GSA CAPITAL PARTNERS LLP, GM Advisory Group, LLC, VANGUARD FIDUCIARY TRUST CO, VANGUARD PORTFOLIO MANAGEMENT LLC, and Russell Investments Group, Ltd..
This page lists
36
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
117
Q1 2026 holders
36
Holder diff
-81
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.