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908 Devices (MASS) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for 908 Devices (NASDAQ:MASS)

Current
Institutional Ownership
Percentage
88.06%
Number of
Institutional Buyers
(last 12 months)
60
Total
Institutional Inflows
(last 12 months)
$53.99M
Number of
Institutional Sellers
(last 12 months)
20
Total
Institutional Outflows
(last 12 months)
$14.26M
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MASS Institutional Buying and Selling by Quarter

908 Devices Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2025The Manufacturers Life Insurance Company 10,869$77K0.0%N/A0.030%
8/14/2025Daiwa Securities Group Inc.8,490$61K0.0%N/A0.024%
8/13/2025Marshall Wace LLP648,796$4.63M0.0%+359.4%1.809%
8/13/2025Walleye Capital LLC11,504$82K0.0%N/A0.032%
8/13/2025Invesco Ltd.92,896$662K0.0%-85.7%0.259%
8/13/2025GM Advisory Group LLC1,165,291$8.31M0.4%N/A3.250%
8/12/2025 American Century Companies Inc.56,296$401K0.0%+22.9%0.157%
8/12/2025 Rhumbline Advisers36,416$260K0.0%+5.5%0.102%
8/12/2025 Dynamic Technology Lab Private Ltd18,537$132K0.0%N/A0.052%
8/12/2025 Catalyst Funds Management Pty Ltd11,400$81K0.0%N/A0.032%
8/8/2025 Intech Investment Management LLC17,187$123K0.0%N/A0.048%
8/8/2025 Geode Capital Management LLC658,603$4.70M0.0%+11.7%1.837%
8/7/2025 49 Wealth Management LLC19,188$137K0.0%-58.0%0.054%
8/7/2025 Campbell & CO Investment Adviser LLC108,689$775K0.0%N/A0.303%
8/7/2025 Mitsubishi UFJ Asset Management Co. Ltd.212,514$1.52M0.0%N/A0.593%
8/6/2025 First Eagle Investment Management LLC267,378$1.91M0.0%N/A0.746%
8/5/2025 ANTIPODES PARTNERS Ltd6,558$47K0.0%+49.7%0.018%
8/1/2025 IQ EQ FUND MANAGEMENT IRELAND Ltd38,186$272K0.0%+67.0%0.106%
7/31/2025 Nisa Investment Advisors LLC3,784$27K0.0%+453.2%0.011%
7/31/2025 Sumitomo Mitsui Trust Group Inc.398,256$2.84M0.0%-3.5%1.111%
7/30/2025 ARK Investment Management LLC2,648,278$18.88M0.1%-8.7%7.385%
7/16/2025 Old Port Advisors73,629$525K0.1%N/A0.205%
6/27/2025Goldman Sachs Group Inc.74,656$334K0.0%-71.7%0.208%
5/29/2025 Rhumbline Advisers34,522$155K0.0%-4.8%0.096%
5/16/2025Goldman Sachs Group Inc.74,656$334K0.0%-71.7%0.209%
5/16/2025AQR Capital Management LLC81,558$365K0.0%N/A0.228%
5/16/2025AWM Investment Company Inc.5,199,924$23.30M3.2%+210.6%14.549%
5/15/2025First Light Asset Management LLC1,701,095$7.62M0.9%N/A4.760%
5/15/2025PDT Partners LLC41,600$186K0.0%N/A0.116%
5/13/2025 American Century Companies Inc.45,814$205K0.0%+10.8%0.128%
5/12/2025 Nuveen LLC106,951$479K0.0%N/A0.299%
5/12/2025Invesco Ltd.649,630$2.91M0.0%N/A1.818%
5/9/2025 Deutsche Bank AG20,670$93K0.0%-79.2%0.058%
5/9/2025 Charles Schwab Investment Management Inc.212,230$951K0.0%+5.2%0.594%
5/9/2025 IQ EQ FUND MANAGEMENT IRELAND Ltd22,862$102K0.0%+115.6%0.064%
5/8/2025 XTX Topco Ltd38,208$171K0.0%-26.8%0.107%
5/7/2025 Essex Investment Management Co. LLC480,549$2.15M0.4%N/A1.345%
5/7/2025 ARK Investment Management LLC2,899,347$12.99M0.1%+4.0%8.112%
5/7/2025 Nikko Asset Management Americas Inc.412,574$1.83M0.0%-11.7%1.154%
5/7/2025 Prescott Group Capital Management L.L.C.190,005$851K0.1%+26.7%0.532%
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5/6/2025Legato Capital Management LLC142,442$638K0.1%N/A0.399%
5/1/2025 CWM LLC6,963$31K0.0%+541.2%0.020%
4/30/2025 49 Wealth Management LLC45,738$205K0.0%-7.9%0.129%
4/29/2025 Bank of New York Mellon Corp51,915$233K0.0%+4.0%0.147%
4/25/2025 Sumitomo Mitsui Trust Group Inc.412,574$1.85M0.0%-11.7%1.168%
4/22/2025 Cambridge Investment Research Advisors Inc.10,000$45K0.0%N/A0.028%
4/17/2025 FNY Investment Advisers LLC75,489$338K0.2%N/A0.214%
2/18/2025 49 Wealth Management LLC49,670$109K0.0%+59.7%0.143%
2/18/2025AWM Investment Company Inc.1,673,924$3.68M0.4%+6.3%4.807%
2/17/2025Two Sigma Investments LP19,000$42K0.0%N/A0.055%
2/17/2025Two Sigma Advisers LP13,500$30K0.0%N/A0.039%
2/17/2025Nuveen Asset Management LLC106,951$235K0.0%-47.7%0.307%
2/17/2025Occudo Quantitative Strategies LP16,376$36K0.0%N/A0.047%
2/17/2025Needham Investment Management LLC200,000$440K0.0%+100.0%0.574%
2/17/2025Millennium Management LLC116,358$256K0.0%-11.5%0.334%
2/17/2025Granahan Investment Management LLC522,786$1.15M0.0%-39.3%1.501%
2/17/2025 Deutsche Bank AG99,239$218K0.0%+1,159.4%0.285%
2/17/2025D. E. Shaw & Co. Inc.85,860$189K0.0%+49.1%0.247%
2/17/2025Bank of America Corp DE94,753$208K0.0%+190.9%0.272%
2/17/2025Ameriprise Financial Inc.1,814,187$3.99M0.0%-1.6%5.210%
2/14/2025Jane Street Group LLC113,890$251K0.0%+118.9%0.327%
2/14/2025Northern Trust Corp200,764$442K0.0%+7.5%0.577%
2/14/2025Hsbc Holdings PLC21,007$46K0.0%+32.2%0.060%
2/14/2025Stifel Financial Corp23,509$52K0.0%N/A0.068%
2/14/2025 Dimensional Fund Advisors LP384,332$845K0.0%-3.2%1.104%
2/13/2025Marshall Wace LLP38,500$85K0.0%N/A0.111%
2/13/2025 XTX Topco Ltd52,196$115K0.0%N/A0.150%
2/13/2025Renaissance Technologies LLC294,956$649K0.0%-8.5%0.847%
2/13/2025 Bank of Montreal Can56,310$124K0.0%N/A0.162%
2/12/2025 Geode Capital Management LLC581,300$1.28M0.0%+2.4%1.669%
2/11/2025 Prudential Financial Inc.15,405$34K0.0%N/A0.044%
2/11/2025 LPL Financial LLC63,287$139K0.0%+13.0%0.182%
2/10/2025 Nikko Asset Management Americas Inc.467,427$1.02M0.0%-5.6%1.342%
2/7/2025 Prescott Group Capital Management L.L.C.150,000$330K0.0%N/A0.431%
2/6/2025 Charles Schwab Investment Management Inc.201,768$444K0.0%-8.5%0.579%
2/4/2025 ARK Investment Management LLC2,788,566$6.14M0.1%-13.4%8.009%
2/3/2025 Concurrent Investment Advisors LLC23,470$52K0.0%N/A0.067%
1/28/2025 Sumitomo Mitsui Trust Group Inc.467,427$1.03M0.0%-5.6%1.342%
12/13/2024B. Riley Wealth Advisors Inc.13,000$45K0.0%N/A0.037%
11/19/2024Barclays PLC46,214$160K0.0%+452.7%0.133%
11/18/2024Arete Wealth Advisors LLC19,482$68K0.0%-43.8%0.056%
11/16/2024 Geode Capital Management LLC567,788$1.97M0.0%+1.2%1.630%
11/15/2024Barclays PLC46,214$160K0.0%+452.7%0.133%
11/15/2024Jane Street Group LLC52,039$181K0.0%-39.8%0.149%
11/15/2024State Street Corp479,044$1.66M0.0%+1.2%1.376%
11/15/2024Needham Investment Management LLC100,000$347K0.0%+100.0%0.287%
11/14/2024Fred Alger Management LLC820,448$2.85M0.0%-18.5%2.367%
11/13/2024Townsquare Capital LLC14,350$50K0.0%N/A0.041%
11/12/2024 49 Wealth Management LLC31,099$108K0.0%+16.2%0.090%
11/12/2024 Charles Schwab Investment Management Inc.220,477$765K0.0%+14.6%0.636%
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11/9/2024 Primecap Management Co. CA20,000$69K0.0%-19.5%0.058%
11/8/2024 Connor Clark & Lunn Investment Management Ltd.54,816$190K0.0%N/A0.158%
11/7/2024 Drive Wealth Management LLC14,350$50K0.0%N/A0.041%
10/31/2024 ARK Investment Management LLC3,219,549$11.17M0.1%-18.2%9.290%
10/3/2024 SG Americas Securities LLC10,347$36K0.0%N/A0.030%
9/16/2024Cubist Systematic Strategies LLC60,429$311K0.0%N/A0.175%
8/15/2024Millennium Management LLC618,310$3.18M0.0%+35.5%1.793%
8/15/2024AQR Capital Management LLC113,594$585K0.0%N/A0.329%
8/14/2024Squarepoint Ops LLC48,554$250K0.0%N/A0.141%
8/14/2024Fred Alger Management LLC1,006,237$5.18M0.0%-1.0%2.918%
(Data available from 1/1/2016 forward)

MASS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MASS shares?

During the previous two years, 81 institutional investors and hedge funds held shares of 908 Devices. The most heavily invested institutionals were AWM Investment Company Inc. ($23.30M), ARK Investment Management LLC ($18.88M), Vanguard Group Inc. ($13.22M), GM Advisory Group LLC ($8.31M), Iron Triangle Partners LP ($7.86M), First Light Asset Management LLC ($7.62M), and Geode Capital Management LLC ($4.70M).Learn more on 908 Devices' institutional investors.

What percentage of 908 Devices' stock is owned by institutional investors?

88.06% of 908 Devices' stock is owned by institutional investors. Learn more on MASS's institutional investor holdings.

Which institutional investors have been buying 908 Devices' stock?

Of the 73 institutional investors that purchased 908 Devices' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: AWM Investment Company Inc. ($4.20M), First Light Asset Management LLC ($1.70M), GM Advisory Group LLC ($1.17M), Invesco Ltd. ($649.63K), Marshall Wace LLP ($590.46K), ARK Investment Management LLC ($484.46K), and Essex Investment Management Co. LLC ($480.55K).

How much institutional buying is happening at 908 Devices?

Institutional investors have bought a total of 11,039,242 shares in the last 24 months. This purchase volume represents approximately $53.99M in transactions.

Which of 908 Devices' major shareholders have been selling company stock?

Of the 20 institutional investors that sold 908 Devices' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: ARK Investment Management LLC ($1.40M), Invesco Ltd. ($556.73K), Goldman Sachs Group Inc. ($379.20K), Granahan Investment Management LLC ($338.65K), Fred Alger Management LLC ($185.79K), Nuveen Asset Management LLC ($97.42K), and Sumitomo Mitsui Trust Group Inc. ($96.97K).

How much institutional selling is happening at 908 Devices?

Institutional investors have sold a total of 3,419,422 shares in the last 24 months. This volume of shares sold represents approximately $14.26M in transactions.


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This page (NASDAQ:MASS) was last updated on 8/14/2025 by MarketBeat.com Staff
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