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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, Q4 2021

Institutional positions in 908 Devices Inc. as of Dec 31, 2021. 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
+2 vs. Q3 2021
Shares held
19.0M
+3.04M (+19.1%) vs. Q3 2021
Total value
$490.2M
−$28.7M (−5.5%) vs. Q3 2021
New holders
12
50 more added
Sold out
10
16 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 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 heldQ4 2021: $490.2M
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, Q4 2021

Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q3 2021.

Institutions holding MASS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,709,061$96.0M0.00%+384,738+11.6%Added
ARK Investment Management LLCSuperinvestorARK Invest2,996,393$77.5M0.23%+245,516+8.9%Added
Eventide Asset Management, LLC1,410,000$36.5M0.47%+727,729+106.7%Added
Vanguard Group Inc838,185$21.7M0.00%+187,824+28.9%Added
Granahan Investment Management Inc795,483$20.6M0.42%+163,731+25.9%Added
Fred Alger Management, LLC600,967$15.5M0.04%+163,541+37.4%Added
Tao Capital Management LP568,981$14.7M4.50%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.557,750$14.4M0.01%−14,342−2.5%Reduced
Nikko Asset Management Americas, Inc.557,750$13.4M0.07%−14,342−2.5%Reduced
Platinum Investment Management Ltd495,332$12.8M0.36%+394,371+390.6%Added
State Street Corp435,580$11.3M0.00%+56,733+15.0%Added
Millennium Management LLC417,909$10.8M0.01%−174,604−29.5%Reduced
Casdin Capital, LLC406,502$10.5M0.30%00.0%Unchanged
TimesSquare Capital Management, LLC397,830$10.3M0.09%+141,000+54.9%Added
FMR LLC352,100$9.11M0.00%−17,000−4.6%Reduced
Ameriprise Financial Inc344,583$8.91M0.00%−2,507−0.7%Reduced
Sands Capital Ventures, LLC326,427$8.45M1.25%00.0%Unchanged
Pura Vida Investments, LLC312,946$8.10M0.84%+132,058+73.0%Added
Nicholas Investment Partners, LP309,833$8.02M0.51%+22,018+7.7%Added
Emerald Advisers, LLC300,824$7.78M0.29%+168,055+126.6%Added
Emerald Mutual Fund Advisers Trust292,194$7.56M0.27%+196,826+206.4%Added
Geode Capital Management, LLC275,902$7.14M0.00%+61,054+28.4%Added
Primecap Management Co188,129$4.87M0.00%−42,090−18.3%Reduced
Northern Trust Corp170,298$4.41M0.00%+44,219+35.1%Added
Thrivent Financial for Lutherans164,310$4.25M0.01%−8,756−5.1%Reduced
Segall Bryant & Hamill, LLC152,275$3.94M0.04%+74,296+95.3%Added
Sectoral Asset Management Inc134,872$3.49M0.53%+70,622+109.9%Added
Allianz Asset Management GmbH133,637$3.46M0.00%+39,395+41.8%Added
Capital World Investors112,500$2.91M0.00%00.0%Unchanged
Charles Schwab Investment Management Inc107,353$2.78M0.00%+13,667+14.6%Added
Rafferty Asset Management, LLC86,259$2.23M0.01%+5,641+7.0%Added
Victory Capital Management Inc77,840$2.01M0.00%+21,686+38.6%Added
Voloridge Investment Management, LLC74,145$1.92M0.01%−3,557−4.6%Reduced
Bank of New York Mellon Corp68,538$1.77M0.00%+20,432+42.5%Added
Parametric Portfolio Associates LLC64,178$1.66M0.00%+50,673+375.2%Added
Goldman Sachs Group Inc56,940$1.47M0.00%+301+0.5%Added
New York State Common Retirement Fund54,784$1.42M0.00%+11,763+27.3%Added
Janus Henderson Group PLC53,095$1.37M0.00%+721+1.4%Added
RTW Investments, LP40,000$1.03M0.02%00.0%Unchanged
Sit Investment Associates Inc38,450$995.0K0.02%+29,775+343.2%Added
Swiss National Bank34,100$882.0K0.00%+19,100+127.3%Added
Nuveen Asset Management, LLC33,997$796.0K0.00%−2,925−7.9%Reduced
Two Sigma Investments, LP28,800$745.0K0.00%−39,616−57.9%Reduced
Morgan Stanley26,746$692.0K0.00%−20,981−44.0%Reduced
Ensign Peak Advisors, Inc24,501$634.0K0.00%+9,501+63.3%Added
California State Teachers Retirement System23,342$604.0K0.00%+10,626+83.6%Added
Nomura Holdings Inc23,096$595.0K0.00%+23,096New
Citadel Advisors LLC22,868$592.0K0.00%+22,868New
Bank of America Corp22,823$591.0K0.00%+5,463+31.5%Added
Meridian Financial Partners LLC34,124$527.0K0.36%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC18,225$471.0K0.01%−76−0.4%Reduced
JPMorgan Chase & Co17,972$465.0K0.00%+10,044+126.7%Added
Susquehanna International Group, LLP17,610$456.0K0.00%+17,610New
Dynamic Technology Lab Private Ltd13,590$352.0K0.04%+13,590New
Rhumbline Advisers12,345$319.0K0.00%+3,567+40.6%Added
Deutsche Bank AG11,687$302.0K0.00%−1,300−10.0%Reduced
UBS Group AG11,297$292.0K0.00%+8,526+307.7%Added
Rock Creek Group, LP18,392$291.0K0.04%+18,392New
Wells Fargo & Company11,092$287.0K0.00%+10,483+1,721.3%Added
Cubist Systematic Strategies, LLC10,854$281.0K0.00%+10,854New
Hudson Bay Capital Management LP10,362$268.0K0.00%+10,362New
Balyasny Asset Management LLC10,198$264.0K0.00%+10,198New
American International Group, Inc.9,917$257.0K0.00%+2,841+40.1%Added
Personal Capital Advisors Corp9,341$242.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The9,011$233.0K0.00%+2,165+31.6%Added
Paloma Partners Management Co8,484$219.0K0.01%+8,484New
Invesco Ltd.8,057$209.0K0.00%+8,057New
MetLife Investment Management7,715$199.6K0.00%+2,570+50.0%Added
Citigroup Inc5,936$154.0K0.00%+4,125+227.8%Added
Advisor Group Holdings, Inc.5,723$148.0K0.00%+5,109+832.1%Added
Metropolitan Life Insurance Co5,715$147.8K0.00%+1,822+46.8%Added
Zurcher Kantonalbank (Zurich Cantonalbank)5,284$137.0K0.00%−21−0.4%Reduced
Legal & General Group Plc4,996$129.0K0.00%+2,297+85.1%Added
Royal Bank of Canada4,258$110.0K0.00%+2,904+214.5%Added
Daiwa Securities Group Inc.3,419$88.0K0.00%+1,796+110.7%Added
Itau Unibanco Holding S.A.1,860$48.0K0.00%+387+26.3%Added
Marshall Wace, LLP1,422$37.0K0.00%−35,413−96.1%Reduced
Ameritas Investment Partners, Inc.1,442$37.0K0.00%+451+45.5%Added
US Bancorp1,243$32.0K0.00%+883+245.3%Added
GPS Wealth Strategies Group, LLC575$15.0K0.00%00.0%Unchanged
Quantbot Technologies LP600$15.0K0.00%+600New
Tower Research Capital LLC (TRC)395$10.0K0.00%+197+99.5%Added
Baillie Gifford & Co249$6.00K0.00%00.0%Unchanged
Spire Wealth Management225$6.00K0.00%+225New
Manchester Capital Management LLC33$1.00K0.00%+17+106.3%Added
Quadrant Capital Group LLC37$1.00K0.00%+20+117.6%Added
Dark Forest Capital Management LP5$00.00%−10,986−100.0%Reduced
M&G Investment Management Ltd0$00.00%−149,914−100.0%Sold out
Jane Street Group, LLC0$00.00%−58,526−100.0%Sold out
Jefferies Group LLC0$00.00%−17,500−100.0%Sold out
Squarepoint Ops LLC0$00.00%−7,066−100.0%Sold out
SG Americas Securities, LLC0$00.00%−5,989−100.0%Sold out
Charter Oak Capital Management, LLC0$00.00%−5,000−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−175−100.0%Sold out
Captrust Financial Advisors0$00.00%−139−100.0%Sold out
Signaturefd, LLC0$00.00%−60−100.0%Sold out
Glassman Wealth Services0$00.00%−5−100.0%Sold out
Marshall Wace North America L.P.––––Not filed