Who Owns 908 Devices Inc. (MASS)?Hedge Fund & Institutional Holders

$6.00-0.01 (-0.08%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$2.5389000104260004e+262T

% of Float Held

—

QoQ Change in Holders

+10 / -3

Price History

$1.88$3.70$5.52$7.33$9.15Sep 24Jun 25Mar 26

MASS — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
First Light Asset Management, LLCIncreased+2.3M+$3.4B
NEEDHAM INVESTMENT MANAGEMENT LLCIncreased+548K+$2.1B
Sumitomo Mitsui Trust Group, Inc.New Position+288K+$1.5B
HighMark Wealth Management LLCNew Position+241K+$1.3B
CITADEL ADVISORS LLCNew Position+264K+$1.0B
Meros Investment Management, LPIncreased+243K+$907.1M
IQ EQ FUND MANAGEMENT (IRELAND) LtdNew Position+78K+$409.0M
STRS OHIONew Position+30K+$155.0M
UBS Group AGIncreased+52K+$58.6M
AXQ CAPITAL, LPIncreased+15K+$32.7M
State of WyomingNew Position+4K+$18.0M
NISA INVESTMENT ADVISORS, LLCNew Position+684+$3.0M
ESSEX INVESTMENT MANAGEMENT CO LLCNew Position+483K+$2.5M
FLAGSHIP HARBOR ADVISORS, LLCNew Position+500+$2.0M
Quarry LPNew Position+197+$1.0M

MASS — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
GM Advisory Group, LLCDecreased-399K-$5.9B
MARSHALL WACE, LLPDecreased-249K-$3.9B
DIMENSIONAL FUND ADVISORS LPDecreased-78K-$1.8B
Mitsubishi UFJ Asset Management Co., Ltd.Decreased-62K-$1.8B
ROYAL BANK OF CANADADecreased-183K-$1.6B
RAYMOND JAMES FINANCIAL INCDecreased-5K-$1.6B
Amova Asset Management Americas, Inc.Decreased-30K-$1.3B
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-190-$1.1B
AQR CAPITAL MANAGEMENT LLCDecreased-373-$921.4M
Schonfeld Strategic Advisors LLCClosed Position-103K-$902.5M
LPL Financial LLCDecreased-612-$606.0M
Brooklyn Investment GroupClosed Position-66K-$574.9M
AMERICAN CENTURY COMPANIES INCDecreased-214-$491.5M
Cubist Systematic Strategies, LLCClosed Position-48K-$419.9M
ALLIANCEBERNSTEIN L.P.Decreased-4K-$401.6M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1First Light Asset Management, LLC4,836,186$25.4B1.94%Share
2ARK Investment Management LLC1,985,986$10.4B69.20%Share
3First Eagle Investment Management, LLC623,883$3.3B5.76%Share
4Tao Capital Management LP568,981$3.0B2.57%Share
5NEEDHAM INVESTMENT MANAGEMENT LLC500,000$2.6B0.17%Share
6Meros Investment Management, LP347,035$1.8B0.72%Share
7Sumitomo Mitsui Trust Group, Inc.288,081$1.5B0.89%Share
8Amova Asset Management Americas, Inc.288,081$1.5B17.44%Share
9HighMark Wealth Management LLC241,000$1.3B0.52%Share
10PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.361,595$1.0B0.09%Share
11CHARLES SCHWAB INVESTMENT MANAGEMENT INC240,929$1.0B0.16%Share
12RENAISSANCE TECHNOLOGIES LLC222,100$1.0B1.55%Share
13NORTHERN TRUST CORP226,019$1.0B0.13%Share
14CITADEL ADVISORS LLC222,007$1.0B0.15%Share
15DIMENSIONAL FUND ADVISORS LP230,850$1.0B0.21%Share
16NEEDHAM INVESTMENT MANAGEMENT LLC120,000$630.0M0.04%Share
17UBS Group AG107,552$564.0M0.09%Share
18NEEDHAM INVESTMENT MANAGEMENT LLC100,000$525.0M0.03%Share
19Granahan Investment Management, LLC91,141$478.0M0.02%Share
20IQ EQ FUND MANAGEMENT (IRELAND) Ltd78,026$409.0M0.03%Share
21Bruce & Co., Inc.68,286$358.0M0.11%Share
22NEEDHAM INVESTMENT MANAGEMENT LLC50,000$262.0M0.02%Share
23Old Port Advisors38,629$202.0M0.05%Share
24STRS OHIO29,700$155.0M0.58%Share
25AXQ CAPITAL, LP28,125$147.0M0.03%Share
2649 WEALTH MANAGEMENT, LLC17,581$92.0M0.01%Share
27Invesco Ltd.10,788$56.0M0.01%Share
28GROUP ONE TRADING LLC5,700$29.0M0.05%Call
29AWM Investment Company, Inc.5,199,924$27.3M2.64%Share
30ANTIPODES PARTNERS Ltd5,094$26.0M0.00%Share
31UBS Group AG5,000$26.0M0.00%Share
32Invesco Ltd.3,640$19.0M0.00%Share
33State of Wyoming3,544$18.0M0.00%Share
34VANGUARD GROUP INC1,260,191$6.0M0.09%Share
35BlackRock, Inc.1,031,064$5.0M0.08%Share
36STATE STREET CORP596,294$3.0M0.00%Share
37NISA INVESTMENT ADVISORS, LLC684$3.0M0.01%Share
38BlackRock, Inc.621,326$3.0M0.05%Share
39ESSEX INVESTMENT MANAGEMENT CO LLC482,614$2.5M0.39%Share
40Optiver Holding B.V.466$2.0M0.00%Share
41FLAGSHIP HARBOR ADVISORS, LLC500$2.0M0.00%Share
42GAMMA Investing LLC473$2.0M0.00%Share
43MORGAN STANLEY290,680$1.0M0.00%Share
44MARSHALL WACE, LLP190,635$1.0M0.00%Share
45GM Advisory Group, LLC278,792$1.0M0.04%Share
46Squarepoint Ops LLC218,676$1.0M0.00%Share
47Quarry LP197$1.0M0.00%Share
48Legato Capital Management LLC155,594$816K0.07%Share
49Mitsubishi UFJ Asset Management Co., Ltd.140,503$715K0.00%Share
50NANO CAP NEW MILLENNIUM GROWTH FUND L P120,000$630K0.54%Share

MASS Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025116$60.8B+24
Q3 202592$94.8B+3
Q2 202589$65.9B+2
Q1 202587$56.7B+7
Q4 202480$74.0B+5
Q3 202475$786.7B-4
Q2 202479$1.1T+14
Q1 202465$1.1T—

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As of Q4 2025, 50 institutional investors hold MASS (908 Devices Inc.). The largest holder is First Light Asset Management, LLC with $25.4B in shares. This quarter, 10 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own MASS?

As of Q4 2025, 50 institutional investors report holding MASS (908 Devices Inc.) in their 13F filings.

Who is the largest institutional holder of MASS?

The largest institutional holder of MASS is First Light Asset Management, LLC with $25.4B in shares.

Is institutional ownership of MASS increasing or decreasing?

This quarter, 10 institutions opened new positions in MASS and 3 closed their positions.