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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 13 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, Q2 2025

Institutional positions in 908 Devices Inc. as of Jun 30, 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
102
+15 vs. Q1 2025
Shares held
24.3M
+3.72M (+18.0%) vs. Q1 2025
Total value
$173.6M
+$81.2M (+88.0%) vs. Q1 2025
New holders
27
36 more added
Sold out
12
25 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 102 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 heldQ2 2025: $173.6M
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, Q2 2025

Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q1 2025.

Institutions holding MASS in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FNY Investment Advisers, LLC90$00.00%−75,399−99.9%Reduced
True Wealth Design, LLC44$3140.00%+12+37.5%Added
Advisor Group Holdings, Inc.125$8910.00%−125−50.0%Reduced
EverSource Wealth Advisors, LLC176$1.25K0.00%−307−63.6%Reduced
IFP Advisors, Inc0$1.37K0.00%0New
South State Corp.200$1.43K0.00%00.0%Unchanged
Rise Advisors, LLC207$1.48K0.00%00.0%Unchanged
Essential Partners LLC218$1.55K0.00%+218New
Sterling Capital Management LLC224$1.60K0.00%−150−40.1%Reduced
The PNC Financial Services Group, Inc.237$1.69K0.00%+111+88.1%Added
SRS Capital Advisors, Inc.245$1.75K0.00%+245New
GAMMA Investing LLC584$4.16K0.00%+584New
Amalgamated Bank766$5.00K0.00%00.0%Unchanged
Kozak & Associates, Inc.750$5.30K0.00%+750New
Versant Capital Management, Inc1,070$7.63K0.00%−919−46.2%Reduced
Signaturefd, LLC1,447$10.3K0.00%00.0%Unchanged
California State Teachers Retirement System1,720$12.3K0.00%00.0%Unchanged
Clear Street Markets LLC2,277$16.2K0.01%+2,277New
Ameritas Investment Partners, Inc.2,795$19.9K0.00%+1,353+93.8%Added
Legal & General Group Plc2,918$20.8K0.00%+1,097+60.2%Added
Larson Financial Group LLC3,467$24.7K0.00%−171−4.7%Reduced
Nisa Investment Advisors, LLC3,784$27.0K0.00%+3,100+453.2%Added
Tower Research Capital LLC (TRC)4,548$32.4K0.00%−3,975−46.6%Reduced
Allworth Financial LP5,449$38.9K0.00%+180+3.4%Added
Police & Firemen's Retirement System of New Jersey5,622$40.1K0.00%00.0%Unchanged
Antipodes Partners Ltd6,558$46.8K0.00%+2,176+49.7%Added
Raymond James Financial Inc6,666$47.5K0.00%+6,666New
CWM, LLC7,875$56.0K0.00%+912+13.1%Added
New York State Common Retirement Fund8,487$60.5K0.00%00.0%Unchanged
Daiwa Securities Group Inc.8,490$61.0K0.00%+8,490New
FMR LLC10,777$76.8K0.00%+4,503+71.8%Added
Manufacturers Life Insurance Company, The10,869$77.5K0.00%+10,869New
Citigroup Inc10,904$77.7K0.00%−6,579−37.6%Reduced
Catalyst Funds Management Pty Ltd11,400$81.3K0.02%+11,400New
Walleye Capital LLC11,504$82.0K0.00%+11,504New
Cresset Asset Management, LLC11,745$83.7K0.00%−442−3.6%Reduced
Price T Rowe Associates Inc12,410$89.0K0.00%00.0%Unchanged
JPMorgan Chase & Co13,248$94.5K0.00%+714+5.7%Added
Quantinno Capital Management LP14,698$104.8K0.00%+14,698New
Wells Fargo & Company14,951$106.6K0.00%+932+6.6%Added
Mirae Asset Global ETFs Holdings Ltd.14,977$106.8K0.00%+1,020+7.3%Added
Intech Investment Management LLC17,187$122.5K0.00%+17,187New
MetLife Investment Management17,821$127.1K0.00%+17,821New
Dynamic Technology Lab Private Ltd18,537$132.0K0.02%+18,537New
49 Wealth Management, LLC19,188$136.8K0.01%−26,550−58.0%Reduced
Deutsche Bank AG21,204$151.2K0.00%+534+2.6%Added
BNP Paribas Arbitrage, SA21,290$151.8K0.00%−2,940−12.1%Reduced
Concurrent Investment Advisors, LLC23,470$167.3K0.00%00.0%Unchanged
SG Americas Securities, LLC23,864$170.0K0.00%+3,586+17.7%Added
Zacks Investment Management25,720$183.4K0.00%+13,332+107.6%Added
Bridgeway Capital Management, LLC30,500$217.5K0.01%00.0%Unchanged
Rhumbline Advisers36,416$259.6K0.00%+1,894+5.5%Added
Davy Global Fund Management Ltd38,186$272.3K0.02%+15,324+67.0%Added
Susquehanna International Group, LLP42,461$302.7K0.00%−23,266−35.4%Reduced
Jane Street Group, LLC47,850$341.2K0.00%+47,850New
Barclays PLC49,756$354.8K0.00%+25,725+107.0%Added
Alliancebernstein L.P.55,790$397.8K0.00%+14,600+35.4%Added
American Century Companies Inc56,296$401.4K0.00%+10,482+22.9%Added
Bank of New York Mellon Corp57,444$409.6K0.00%+5,529+10.7%Added
UBS Group AG61,726$440.1K0.00%+24,603+66.3%Added
Bruce & Co., Inc.68,286$486.9K0.16%00.0%Unchanged
Goldman Sachs Group Inc69,279$494.0K0.00%−5,377−7.2%Reduced
Meros Investment Management, LP69,470$495.3K0.24%+69,470New
Two Sigma Investments, LP70,994$506.2K0.00%+1,067+1.5%Added
EAM Investors, LLC72,416$516.3K0.08%+72,416New
Old Port Advisors73,629$525.0K0.14%+73,629New
Manatuck Hill Partners, LLC80,000$570.4K0.21%+80,000New
LPL Financial LLC80,503$574.0K0.00%−2,506−3.0%Reduced
Millennium Management LLC82,699$589.6K0.00%+82,699New
Bank of Montreal90,959$648.5K0.00%+681+0.8%Added
Invesco Ltd.92,896$662.3K0.00%−556,734−85.7%Reduced
AQR Capital Management LLC94,992$677.3K0.00%+13,434+16.5%Added
Nuveen, LLC99,988$712.9K0.00%−6,963−6.5%Reduced
Parkman Healthcare Partners LLC100,000$713.0K0.08%+100,000New
Campbell & CO Investment Adviser LLC108,689$775.0K0.05%+108,689New
Legato Capital Management LLC142,055$1.01M0.12%−387−0.3%Reduced
Needham Investment Management LLC150,000$1.07M0.09%−50,000−25.0%Reduced
Renaissance Technologies LLC174,100$1.24M0.00%+29,500+20.4%Added
D. E. Shaw & Co., Inc.186,215$1.33M0.00%−153,500−45.2%Reduced
Prescott Group Capital Management, L.L.C.190,005$1.35M0.16%00.0%Unchanged
Royal Bank of Canada191,325$1.36M0.00%+187,968+5,599.3%Added
Northern Trust Corp211,045$1.50M0.00%+11,024+5.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.212,514$1.52M0.00%+212,514New
Charles Schwab Investment Management Inc232,273$1.66M0.00%+20,043+9.4%Added
Schonfeld Strategic Advisors LLC236,438$1.69M0.01%+236,438New
First Eagle Investment Management, LLC267,378$1.91M0.00%+267,378New
Dimensional Fund Advisors LP363,007$2.59M0.00%−21,325−5.5%Reduced
Bank of America Corp363,217$2.59M0.00%+250,311+221.7%Added
Nikko Asset Management Americas, Inc.394,375$2.81M0.03%−18,199−4.4%Reduced
Sumitomo Mitsui Trust Holdings, Inc.398,256$2.84M0.00%−14,318−3.5%Reduced
Essex Investment Management Co LLC477,342$3.40M0.62%−3,207−0.7%Reduced
Morgan Stanley554,245$3.95M0.00%+22,636+4.3%Added
Tao Capital Management LP568,981$4.06M2.97%00.0%Unchanged
Marshall Wace, LLP648,796$4.63M0.01%+507,562+359.4%Added
Geode Capital Management, LLC658,603$4.70M0.00%+68,764+11.7%Added
First Light Asset Management, LLC1,067,613$7.61M0.99%−633,482−37.2%Reduced
GM Advisory Group, Inc.1,165,291$8.31M0.41%+1,165,291New
Vanguard Group Inc1,431,115$10.2M0.00%+68,945+5.1%Added
BlackRock, Inc.1,790,845$12.8M0.00%+43,861+2.5%Added
State Street Corp2,287,135$16.3M0.00%+1,819,270+388.8%Added