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908 Devices Inc.

MASS
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001555279

In the last 90 days, 908 Devices Inc. insiders filed 0 open-market purchases and 14 sales; 111 institutions reported holding it in 13F filings for Q2 2026, worth $244.1M in total; ARK Invest is the only superinvestor holding it.

13F holders, Q1 2025

Institutional positions in 908 Devices Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
87
+7 vs. Q4 2024
Shares held
20.6M
+3.97M (+23.9%) vs. Q4 2024
Total value
$92.3M
+$55.7M (+151.9%) vs. Q4 2024
New holders
23
30 more added
Sold out
16
19 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MASS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 87 institutions
Q1 2021: 72 institutionsQ2 2021: 74 institutionsQ3 2021: 86 institutionsQ4 2021: 87 institutionsQ1 2022: 84 institutionsQ2 2022: 77 institutionsQ3 2022: 81 institutionsQ4 2022: 93 institutionsQ1 2023: 84 institutionsQ2 2023: 86 institutionsQ3 2023: 83 institutionsQ4 2023: 79 institutionsQ1 2024: 75 institutionsQ2 2024: 90 institutionsQ3 2024: 86 institutionsQ4 2024: 81 institutionsQ1 2025: 87 institutionsQ2 2025: 102 institutionsQ3 2025: 107 institutionsQ4 2025: 118 institutionsQ1 2026: 112 institutionsQ2 2026: 111 institutions
Value heldQ1 2025: $92.3M
Q1 2021: $413.8MQ2 2021: $451.9MQ3 2021: $519.5MQ4 2021: $490.2MQ1 2022: $383.7MQ2 2022: $396.7MQ3 2022: $359.9MQ4 2022: $165.4MQ1 2023: $188.0MQ2 2023: $145.8MQ3 2023: $140.8MQ4 2023: $247.1MQ1 2024: $156.5MQ2 2024: $100.4MQ3 2024: $64.8MQ4 2024: $36.9MQ1 2025: $92.3MQ2 2025: $173.6MQ3 2025: $214.7MQ4 2025: $137.3MQ1 2026: $171.0MQ2 2026: $244.1M
Institutions holding MASS and their total value by quarter
QuarterHoldersValue
Q2 2026111$244.1M
Q1 2026112$171.0M
Q4 2025118$137.3M
Q3 2025107$214.7M
Q2 2025102$173.6M
Q1 202587$92.3M
Q4 202481$36.9M
Q3 202486$64.8M
Q2 202490$100.4M
Q1 202475$156.5M
Q4 202379$247.1M
Q3 202383$140.8M
Q2 202386$145.8M
Q1 202384$188.0M
Q4 202293$165.4M
Q3 202281$359.9M
Q2 202277$396.7M
Q1 202284$383.7M
Q4 202187$490.2M
Q3 202186$519.5M
Q2 202174$451.9M
Q1 202172$413.8M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q4 2024.

Institutions holding MASS in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
AWM Investment Company, Inc.5,199,924$23.3M3.21%+3,526,000+210.6%Added
ARK Investment Management LLCSuperinvestorARK Invest2,899,347$13.0M0.13%+110,781+4.0%Added
BlackRock, Inc.1,746,984$7.83M0.00%−180,034−9.3%Reduced
First Light Asset Management, LLC1,701,095$7.62M0.87%+1,701,095New
Vanguard Group Inc1,362,170$6.10M0.00%+37,636+2.8%Added
Invesco Ltd.649,630$2.91M0.00%+649,630New
Geode Capital Management, LLC589,839$2.64M0.00%+8,539+1.5%Added
Tao Capital Management LP568,981$2.55M2.20%00.0%Unchanged
Morgan Stanley531,609$2.38M0.00%+265,041+99.4%Added
Essex Investment Management Co LLC480,549$2.15M0.45%+480,549New
State Street Corp467,865$2.10M0.00%+10,518+2.3%Added
Sumitomo Mitsui Trust Holdings, Inc.412,574$1.85M0.00%−54,853−11.7%Reduced
Nikko Asset Management Americas, Inc.412,574$1.83M0.02%−54,853−11.7%Reduced
Dimensional Fund Advisors LP384,332$1.72M0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.339,715$1.52M0.00%+253,855+295.7%Added
Charles Schwab Investment Management Inc212,230$950.8K0.00%+10,462+5.2%Added
Northern Trust Corp200,021$896.1K0.00%−743−0.4%Reduced
Needham Investment Management LLC200,000$896.0K0.08%00.0%Unchanged
Prescott Group Capital Management, L.L.C.190,005$851.2K0.12%+40,005+26.7%Added
Renaissance Technologies LLC144,600$647.8K0.00%−150,356−51.0%Reduced
Legato Capital Management LLC142,442$638.1K0.09%+142,442New
Marshall Wace, LLP141,234$632.7K0.00%+102,734+266.8%Added
Bank of America Corp112,906$505.8K0.00%+18,153+19.2%Added
Nuveen, LLC106,951$479.1K0.00%+106,951New
Bank of Montreal90,278$404.4K0.00%+33,968+60.3%Added
LPL Financial LLC83,009$371.9K0.00%+19,722+31.2%Added
AQR Capital Management LLC81,558$365.4K0.00%+81,558New
FNY Investment Advisers, LLC75,489$338.0K0.21%+75,489New
Goldman Sachs Group Inc74,656$334.5K0.00%−189,601−71.7%Reduced
Two Sigma Investments, LP69,927$313.3K0.00%+50,927+268.0%Added
Bruce & Co., Inc.68,286$305.9K0.10%00.0%Unchanged
Susquehanna International Group, LLP65,727$294.5K0.00%+30,103+84.5%Added
Bank of New York Mellon Corp51,915$232.6K0.00%+1,985+4.0%Added
Gsa Capital Partners LLP51,838$232.0K0.02%−66,047−56.0%Reduced
American Century Companies Inc45,814$205.2K0.00%+4,471+10.8%Added
49 Wealth Management, LLC45,738$204.9K0.02%−3,932−7.9%Reduced
PDT Partners, LLC41,600$186.4K0.01%+41,600New
Alliancebernstein L.P.41,190$184.5K0.00%00.0%Unchanged
XTX Topco Ltd38,208$171.2K0.01%−13,988−26.8%Reduced
UBS Group AG37,123$166.3K0.00%+15,369+70.6%Added
Rhumbline Advisers34,522$154.6K0.00%−1,756−4.8%Reduced
Bridgeway Capital Management, LLC30,500$136.6K0.00%−55,000−64.3%Reduced
BNP Paribas Arbitrage, SA24,230$108.5K0.00%+18,050+292.1%Added
Barclays PLC24,031$107.7K0.00%−20,097−45.5%Reduced
Concurrent Investment Advisors, LLC23,470$105.1K0.00%00.0%Unchanged
Davy Global Fund Management Ltd22,862$102.4K0.01%+12,258+115.6%Added
Deutsche Bank AG20,670$92.6K0.00%−78,569−79.2%Reduced
SG Americas Securities, LLC20,278$91.0K0.00%+9,758+92.8%Added
Thrivent Financial for Lutherans23,470$85.0K0.00%00.0%Unchanged
HSBC Holdings PLC20,264$84.5K0.00%−743−3.5%Reduced
Axq Capital, LP18,165$81.4K0.03%+18,165New
Citigroup Inc17,483$78.3K0.00%−10,364−37.2%Reduced
Wells Fargo & Company14,019$62.8K0.00%+311+2.3%Added
Mirae Asset Global ETFs Holdings Ltd.13,957$62.5K0.00%+624+4.7%Added
Wolverine Trading, LLC14,353$58.0K0.00%+14,353New
JPMorgan Chase & Co12,534$56.2K0.00%+787+6.7%Added
Price T Rowe Associates Inc12,410$56.0K0.00%+12,410New
Zacks Investment Management12,388$55.5K0.00%+12,388New
Cresset Asset Management, LLC12,187$54.6K0.00%+442+3.8%Added
Corebridge Financial, Inc.11,626$52.1K0.00%−173−1.5%Reduced
Cambridge Investment Research Advisors, Inc.10,000$45.0K0.00%+10,000New
Tower Research Capital LLC (TRC)8,523$38.2K0.00%−4,628−35.2%Reduced
New York State Common Retirement Fund8,487$38.0K0.00%00.0%Unchanged
CWM, LLC6,963$31.0K0.00%+5,877+541.2%Added
FMR LLC6,274$28.1K0.00%+3,780+151.6%Added
Allworth Financial LP5,269$27.6K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey5,622$25.2K0.00%+5,622New
Antipodes Partners Ltd4,382$19.6K0.00%+4,382New
Larson Financial Group LLC3,638$16.3K0.00%+3,638New
Simplex Trading, LLC3,516$15.0K0.00%−1,341−27.6%Reduced
Royal Bank of Canada3,357$15.0K0.00%+562+20.1%Added
Versant Capital Management, Inc1,989$8.91K0.00%+1,989New
Legal & General Group Plc1,821$8.16K0.00%00.0%Unchanged
California State Teachers Retirement System1,720$7.71K0.00%00.0%Unchanged
HM Payson & Co1,500$6.72K0.00%00.0%Unchanged
Signaturefd, LLC1,447$6.48K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.1,442$6.46K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC684$3.06K0.00%+535+359.1%Added
Amalgamated Bank766$3.00K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC483$2.16K0.00%+483New
Sterling Capital Management LLC374$1.68K0.00%−371−49.8%Reduced
Advisor Group Holdings, Inc.250$1.12K0.00%+125+100.0%Added
Coldstream Capital Management Inc247$1.11K0.00%+247New
Rise Advisors, LLC207$9270.00%+207New
South State Corp.200$8960.00%+200New
The PNC Financial Services Group, Inc.126$5640.00%+126New
True Wealth Design, LLC32$1440.00%+32New
Ameriprise Financial Inc0$00.00%−1,814,187−100.0%Sold out
Granahan Investment Management Inc0$00.00%−522,786−100.0%Sold out
Sands Capital Ventures, LLC0$00.00%−237,258−100.0%Sold out
Citadel Advisors LLC0$00.00%−197,183−100.0%Sold out
Millennium Management LLC0$00.00%−116,358−100.0%Sold out
Jane Street Group, LLC0$00.00%−113,890−100.0%Sold out
Stifel Financial Corp0$00.00%−23,509−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−16,376−100.0%Sold out
Prudential Financial Inc0$00.00%−15,405−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−13,500−100.0%Sold out
US Bancorp0$00.00%−12,688−100.0%Sold out
Intech Investment Management LLC0$00.00%−10,885−100.0%Sold out
Federated Hermes, Inc.0$00.00%−1,206−100.0%Sold out