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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, Q3 2021

Institutional positions in 908 Devices Inc. as of Sep 30, 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
86
+12 vs. Q2 2021
Shares held
16.0M
+4.31M (+37.0%) vs. Q2 2021
Total value
$519.5M
+$67.6M (+15.0%) vs. Q2 2021
New holders
25
40 more added
Sold out
13
10 more reduced

Compare with Q2 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 holdersQ3 2021: 86 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 heldQ3 2021: $519.5M
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, Q3 2021

Shares, value and share of portfolio for each institution holding 908 Devices Inc.; share changes are against Q2 2021.

Institutions holding MASS in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,324,323$108.1M0.00%+867,014+35.3%Added
ARK Investment Management LLCSuperinvestorARK Invest2,750,877$89.5M0.21%+296,520+12.1%Added
Eventide Asset Management, LLC682,271$22.2M0.29%+348,988+104.7%Added
Vanguard Group Inc650,361$21.1M0.00%+235,297+56.7%Added
Granahan Investment Management Inc631,752$20.5M0.39%+59,902+10.5%Added
Millennium Management LLC592,513$19.3M0.03%+555,162+1,486.3%Added
Sumitomo Mitsui Trust Holdings, Inc.572,092$18.6M0.01%+376,787+192.9%Added
Tao Capital Management LP568,981$18.5M4.93%00.0%Unchanged
Nikko Asset Management Americas, Inc.572,092$18.0M0.08%+331,079+137.4%Added
Fred Alger Management, LLC437,426$14.2M0.03%+437,426New
Casdin Capital, LLC406,502$13.2M0.33%00.0%Unchanged
State Street Corp378,847$12.3M0.00%+29,432+8.4%Added
FMR LLC369,100$12.0M0.00%−4,199−1.1%Reduced
Ameriprise Financial Inc347,090$11.3M0.00%+1,605+0.5%Added
Sands Capital Ventures, LLC326,427$10.6M1.60%+326,427New
Nicholas Investment Partners, LP287,815$9.36M0.68%−70,043−19.6%Reduced
TimesSquare Capital Management, LLC256,830$8.35M0.07%+256,830New
Primecap Management Co230,219$7.49M0.01%−67,038−22.6%Reduced
Geode Capital Management, LLC214,848$6.99M0.00%+86,641+67.6%Added
Pura Vida Investments, LLC180,888$5.88M0.44%+19,829+12.3%Added
Thrivent Financial for Lutherans173,066$5.63M0.01%+173,066New
M&G Investment Management Ltd149,914$4.95M0.02%+23,011+18.1%Added
Emerald Advisers, LLC132,769$4.32M0.16%+132,769New
Northern Trust Corp126,079$4.10M0.00%+48,257+62.0%Added
Capital World Investors112,500$3.66M0.00%00.0%Unchanged
Platinum Investment Management Ltd100,961$3.28M0.09%+51,801+105.4%Added
Emerald Mutual Fund Advisers Trust95,368$3.10M0.11%+95,368New
Allianz Asset Management GmbH94,242$3.06M0.00%+94,242New
Charles Schwab Investment Management Inc93,686$3.05M0.00%+45,836+95.8%Added
Rafferty Asset Management, LLC80,618$2.62M0.02%−8,508−9.5%Reduced
Segall Bryant & Hamill, LLC77,979$2.54M0.02%+77,979New
Voloridge Investment Management, LLC77,702$2.53M0.02%+64,401+484.2%Added
Two Sigma Investments, LP68,416$2.23M0.01%+68,416New
Sectoral Asset Management Inc64,250$2.09M0.17%+64,250New
Jane Street Group, LLC58,526$1.90M0.00%+58,526New
Goldman Sachs Group Inc56,639$1.84M0.00%+7,460+15.2%Added
Victory Capital Management Inc56,154$1.83M0.00%+24,246+76.0%Added
Janus Henderson Group PLC52,374$1.70M0.00%+692+1.3%Added
Bank of New York Mellon Corp48,106$1.56M0.00%+14,540+43.3%Added
Morgan Stanley47,727$1.55M0.00%+22,086+86.1%Added
New York State Common Retirement Fund43,021$1.40M0.00%+2,676+6.6%Added
Nuveen Asset Management, LLC36,922$1.32M0.00%+19,508+112.0%Added
RTW Investments, LP40,000$1.30M0.02%00.0%Unchanged
Marshall Wace, LLP36,835$1.20M0.01%+31,614+605.5%Added
Meridian Financial Partners LLC34,124$1.09M0.73%00.0%Unchanged
Weiss Multi-Strategy Advisers LLC18,301$595.0K0.01%+398+2.2%Added
Jefferies Group LLC17,500$569.1K0.01%+10,426+147.4%Added
Bank of America Corp17,360$564.0K0.00%−4,564−20.8%Reduced
Marshall Wace North America L.P.15,990$520.0K0.00%+6,016+60.3%Added
Ensign Peak Advisors, Inc15,000$488.0K0.00%00.0%Unchanged
Swiss National Bank15,000$488.0K0.00%00.0%Unchanged
Parametric Portfolio Associates LLC13,505$439.0K0.00%+13,505New
Deutsche Bank AG12,987$422.0K0.00%+8,234+173.2%Added
California State Teachers Retirement System12,716$414.0K0.00%+2,746+27.5%Added
Dark Forest Capital Management LP10,991$357.0K0.13%+10,991New
Personal Capital Advisors Corp9,341$304.0K0.00%−1,126−10.8%Reduced
Rhumbline Advisers8,778$285.0K0.00%+8,778New
Sit Investment Associates Inc8,675$282.0K0.01%00.0%Unchanged
JPMorgan Chase & Co7,928$258.0K0.00%−6,171−43.8%Reduced
American International Group, Inc.7,076$230.0K0.00%+3,014+74.2%Added
Squarepoint Ops LLC7,066$230.0K0.00%+7,066New
Manufacturers Life Insurance Company, The6,846$223.0K0.00%+6,846New
SG Americas Securities, LLC5,989$195.0K0.00%+5,989New
Zurcher Kantonalbank (Zurich Cantonalbank)5,305$173.0K0.00%+5,305New
MetLife Investment Management5,145$167.3K0.00%+5,145New
Charter Oak Capital Management, LLC5,000$163.0K0.02%00.0%Unchanged
Metropolitan Life Insurance Co3,893$126.6K0.00%+3,893New
UBS Group AG2,771$90.0K0.00%−677−19.6%Reduced
Legal & General Group Plc2,699$88.0K0.00%+1,911+242.5%Added
Citigroup Inc1,811$59.0K0.00%+1,341+285.3%Added
Daiwa Securities Group Inc.1,623$53.0K0.00%+1,623New
Itau Unibanco Holding S.A.1,473$48.0K0.00%+505+52.2%Added
Royal Bank of Canada1,354$44.0K0.00%+858+173.0%Added
Ameritas Investment Partners, Inc.991$32.0K0.00%+404+68.8%Added
Advisor Group Holdings, Inc.614$20.0K0.00%−3,872−86.3%Reduced
Wells Fargo & Company609$20.0K0.00%+166+37.5%Added
GPS Wealth Strategies Group, LLC575$19.0K0.00%00.0%Unchanged
US Bancorp360$12.0K0.00%+72+25.0%Added
Baillie Gifford & Co249$8.00K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)198$6.00K0.00%−4,775−96.0%Reduced
Steward Partners Investment Advisory, LLC175$6.00K0.00%+65+59.1%Added
Captrust Financial Advisors139$5.00K0.00%+128+1,163.6%Added
Signaturefd, LLC60$2.00K0.00%+60New
Manchester Capital Management LLC16$1.00K0.00%+16New
Quadrant Capital Group LLC17$1.00K0.00%+17New
Glassman Wealth Services5$00.00%+5New
Cormorant Asset Management, LP0$00.00%−545,320−100.0%Sold out
Sands Capital Management, LLC0$00.00%−326,427−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−26,819−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−12,669−100.0%Sold out
Caas Capital Management LP0$00.00%−12,079−100.0%Sold out
Twinbeech Capital LP0$00.00%−8,910−100.0%Sold out
Engineers Gate Manager LP0$00.00%−7,790−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−6,877−100.0%Sold out
Virtu Financial LLC0$00.00%−6,311−100.0%Sold out
Legato Capital Management LLC0$00.00%−5,705−100.0%Sold out
Credit Suisse AG0$00.00%−5,701−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−5,250−100.0%Sold out
Toronto Dominion Bank0$00.00%−30−100.0%Sold out