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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 2022

Institutional positions in 908 Devices Inc. as of Mar 31, 2022. 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
84
−3 vs. Q4 2021
Shares held
20.2M
+1.20M (+6.3%) vs. Q4 2021
Total value
$383.7M
−$106.5M (−21.7%) vs. Q4 2021
New holders
19
30 more added
Sold out
22
23 more reduced

Compare with Q4 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 holdersQ1 2022: 84 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 2022: $383.7M
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 2022

Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q4 2021.

Institutions holding MASS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,699,278$70.3M0.00%−9,783−0.3%Reduced
ARK Investment Management LLCSuperinvestorARK Invest3,482,926$66.2M0.28%+486,533+16.2%Added
Eventide Asset Management, LLC1,410,000$26.8M0.42%00.0%Unchanged
Vanguard Group Inc891,024$16.9M0.00%+52,839+6.3%Added
Granahan Investment Management Inc852,712$16.2M0.40%+57,229+7.2%Added
Millennium Management LLC752,431$14.3M0.02%+334,522+80.0%Added
Fred Alger Management, LLC727,172$13.8M0.04%+126,205+21.0%Added
Iron Triangle Partners LP713,105$13.6M1.61%+713,105New
Platinum Investment Management Ltd626,366$11.9M0.37%+131,034+26.5%Added
Tao Capital Management LP568,981$10.8M3.95%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.567,650$10.8M0.01%+9,900+1.8%Added
Nicholas Investment Partners, LP552,801$10.5M0.75%+242,968+78.4%Added
Nikko Asset Management Americas, Inc.567,650$10.2M0.08%+9,900+1.8%Added
State Street Corp494,136$9.39M0.00%+58,556+13.4%Added
TimesSquare Capital Management, LLC393,230$7.47M0.08%−4,600−1.2%Reduced
Emerald Advisers, LLC329,442$6.26M0.24%+28,618+9.5%Added
Sands Capital Ventures, LLC326,427$6.21M1.30%00.0%Unchanged
Geode Capital Management, LLC325,813$6.19M0.00%+49,911+18.1%Added
Pura Vida Investments, LLC296,288$5.63M0.68%−16,658−5.3%Reduced
Emerald Mutual Fund Advisers Trust268,186$5.10M0.23%−24,008−8.2%Reduced
Eversept Partners, LP217,149$4.13M0.38%+217,149New
Northern Trust Corp186,053$3.54M0.00%+15,755+9.3%Added
Primecap Management Co185,319$3.52M0.00%−2,810−1.5%Reduced
Parkman Healthcare Partners LLC175,000$3.33M0.97%+175,000New
Opaleye Management Inc.166,406$3.16M0.98%+166,406New
Segall Bryant & Hamill, LLC152,635$2.90M0.03%+360+0.2%Added
Sectoral Asset Management Inc134,872$2.56M0.46%00.0%Unchanged
Charles Schwab Investment Management Inc134,443$2.56M0.00%+27,090+25.2%Added
Capital World Investors112,500$2.14M0.00%00.0%Unchanged
Parametric Portfolio Associates LLC93,570$1.78M0.00%+29,392+45.8%Added
Rafferty Asset Management, LLC76,215$1.45M0.01%−10,044−11.6%Reduced
New York State Common Retirement Fund65,378$1.24M0.00%+10,594+19.3%Added
Goldman Sachs Group Inc64,982$1.24M0.00%+8,042+14.1%Added
Bank of New York Mellon Corp62,012$1.18M0.00%−6,526−9.5%Reduced
Nuveen Asset Management, LLC42,543$780.0K0.00%+8,546+25.1%Added
RTW Investments, LP40,000$760.0K0.02%00.0%Unchanged
Renaissance Technologies LLC39,000$741.0K0.00%+39,000New
Sit Investment Associates Inc38,450$731.0K0.02%00.0%Unchanged
Swiss National Bank36,700$698.0K0.00%+2,600+7.6%Added
Meridian Financial Partners LLC34,124$649.0K0.97%00.0%Unchanged
Thrivent Financial for Lutherans23,470$446.0K0.00%−140,840−85.7%Reduced
California State Teachers Retirement System22,136$421.0K0.00%−1,206−5.2%Reduced
Morgan Stanley21,313$404.0K0.00%−5,433−20.3%Reduced
Cubist Systematic Strategies, LLC20,364$387.0K0.00%+9,510+87.6%Added
Decheng Capital Management III (Cayman), LLC20,000$380.0K0.12%+20,000New
Rhumbline Advisers18,530$352.0K0.00%+6,185+50.1%Added
Jump Financial, LLC18,400$350.0K0.01%+18,400New
Trexquant Investment LP16,392$312.0K0.01%+16,392New
JPMorgan Chase & Co14,612$278.0K0.00%−3,360−18.7%Reduced
PDT Partners, LLC13,857$263.0K0.02%+13,857New
Credit Suisse AG12,031$229.0K0.00%+12,031New
MetLife Investment Management11,990$227.9K0.00%+4,275+55.4%Added
Bank of America Corp11,379$216.0K0.00%−11,444−50.1%Reduced
Deutsche Bank AG10,985$209.0K0.00%−702−6.0%Reduced
American International Group, Inc.10,392$198.0K0.00%+475+4.8%Added
Advisor Group Holdings, Inc.7,467$142.0K0.00%+1,744+30.5%Added
Quantbot Technologies LP6,365$120.0K0.01%+5,765+960.8%Added
Legal & General Group Plc5,279$100.0K0.00%+283+5.7%Added
Wells Fargo & Company5,188$98.0K0.00%−5,904−53.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)5,073$96.0K0.00%−211−4.0%Reduced
Daiwa Securities Group Inc.4,983$95.0K0.00%+1,564+45.7%Added
Prospera Financial Services Inc3,978$76.0K0.00%+3,978New
Tower Research Capital LLC (TRC)3,888$74.0K0.00%+3,493+884.3%Added
Barclays PLC3,642$69.0K0.00%+3,642New
Amalgamated Bank3,048$58.0K0.00%+3,048New
Amalgamated Financial Corp.3,048$58.0K0.00%+3,048New
Citigroup Inc2,749$52.0K0.00%−3,187−53.7%Reduced
UBS Group AG2,039$39.0K0.00%−9,258−82.0%Reduced
Itau Unibanco Holding S.A.1,860$35.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co1,440$27.4K0.00%−4,275−74.8%Reduced
Ameritas Investment Partners, Inc.1,442$27.0K0.00%00.0%Unchanged
Royal Bank of Canada1,375$26.0K0.00%−2,883−67.7%Reduced
US Bancorp1,234$23.0K0.00%−9−0.7%Reduced
Simplex Trading, LLC880$16.0K0.00%+880New
Dark Forest Capital Management LP704$13.0K0.00%+699+13,980.0%Added
FMR LLC573$11.0K0.00%−351,527−99.8%Reduced
GPS Wealth Strategies Group, LLC575$11.0K0.00%00.0%Unchanged
Signaturefd, LLC357$7.00K0.00%+357New
Baillie Gifford & Co249$5.00K0.00%00.0%Unchanged
Manchester Capital Management LLC28$1.00K0.00%−5−15.2%Reduced
Quadrant Capital Group LLC27$1.00K0.00%−10−27.0%Reduced
The PNC Financial Services Group, Inc.34$1.00K0.00%+34New
Capital Advisors, Ltd. LLC30$1.00K0.00%+30New
Glassman Wealth Services12$00.00%+12New
Casdin Capital, LLC0$00.00%−406,502−100.0%Sold out
Ameriprise Financial Inc0$00.00%−344,583−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−133,637−100.0%Sold out
Victory Capital Management Inc0$00.00%−77,840−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−74,145−100.0%Sold out
Janus Henderson Group PLC0$00.00%−53,095−100.0%Sold out
Two Sigma Investments, LP0$00.00%−28,800−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−24,501−100.0%Sold out
Nomura Holdings Inc0$00.00%−23,096−100.0%Sold out
Citadel Advisors LLC0$00.00%−22,868−100.0%Sold out
Weiss Multi-Strategy Advisers LLC0$00.00%−18,225−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−17,610−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−13,590−100.0%Sold out
Rock Creek Group, LP0$00.00%−18,392−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−10,362−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−10,198−100.0%Sold out