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908 Devices (MASS) Institutional Ownership

908 Devices logo
$12.05 +0.50 (+4.33%)
Closing price 10/9/2026 04:00 PM Eastern
Extended Trading
$12.12 +0.06 (+0.54%)
As of 10/9/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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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)
50
Total
Institutional Inflows
(last 12 months)
$125.89M
Number of
Institutional Sellers
(last 12 months)
27
Total
Institutional Outflows
(last 12 months)
$32.05M
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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
9/9/2026First Light Asset Management LLC6,282,804$54.66M3.3%+3.5%15.200%
9/9/2026Squarepoint Ops LLC37,739$328K0.0%-82.3%0.091%
9/8/2026Allworth Financial LP3,373$29K0.0%-36.9%0.008%
8/22/2026Gainline Financial Partners LLC12,338$107K0.1%N/A0.030%
8/21/2026AXQ Capital LP10,704$93K0.0%N/A0.026%
8/17/2026Bank of America Corp DE251,027$2.18M0.0%N/A0.607%
8/15/2026AWM Investment Company Inc.4,879,773$42.45M3.7%N/A11.807%
8/15/2026Meros Investment Management LP361,368$3.14M0.0%N/A0.874%
8/14/2026Legal & General Group Plc3,049$27K0.0%N/A0.007%
8/11/2026Allworth Financial LP3,373$29K0.0%N/A0.009%
8/11/2026PCM Encore LLC11,830$103K0.0%N/A0.031%
8/7/2026BlackRock Inc.1,944,236$16.92M0.0%N/A5.142%
8/7/2026Deutsche Bank AG28,412$247K0.0%N/A0.075%
8/7/2026Mitsubishi UFJ Asset Management Co. Ltd.110,557$962K0.0%N/A0.292%
8/6/2026Bank of New York Mellon Corp72,758$633K0.0%N/A0.192%
8/6/2026GSA Capital Partners LLP49,160$428K0.0%N/A0.130%
5/16/2026First Light Asset Management LLC6,072,563$37.16M3.3%+25.6%16.061%
5/15/2026Intelligence Driven Advisers LLC10,000$61K0.0%N/A0.026%
5/15/2026Granahan Investment Management LLC695,070$4.25M0.2%+662.6%1.838%
5/14/2026Renaissance Technologies LLC230,200$1.41M0.0%+3.6%0.609%
5/14/2026Sei Investments Co.164,894$1.01M0.0%+101.2%0.436%
5/8/2026Amova Asset Management Americas Inc.269,873$1.65M0.0%-6.3%0.721%
5/7/2026Dimensional Fund Advisors LP118,751$726K0.0%-51.8%0.317%
5/5/2026Bank of New York Mellon Corp59,041$361K0.0%-3.2%0.158%
4/30/2026Sumitomo Mitsui Trust Group Inc.269,873$1.65M0.0%-6.3%0.722%
4/28/2026GM Advisory Group LLC238,218$1.46M0.1%-14.6%0.637%
2/18/2026XTX Topco Ltd19,852$104K0.0%-55.9%0.055%
2/18/2026Millennium Management LLC158,103$830K0.0%+409.0%0.437%
2/18/2026Engineers Gate Manager LP26,681$140K0.0%N/A0.074%
2/18/2026Bridgeway Capital Management LLC50,500$265K0.0%+65.6%0.140%
2/17/2026First Light Asset Management LLC4,836,186$25.39M1.9%+92.6%13.363%
2/17/2026State of Wisconsin Investment Board32,294$170K0.0%N/A0.089%
2/17/2026Granahan Investment Management LLC91,141$478K0.0%+41.7%0.252%
2/17/2026Graham Capital Management L.P.20,787$109K0.0%+12.9%0.057%
2/17/2026Opal Capital LLC17,581$92K0.0%N/A0.049%
2/17/2026Meros Investment Management LP347,035$1.82M0.7%+232.7%0.959%
2/17/2026Needham Investment Management LLC770,000$4.04M0.3%+246.8%2.128%
2/16/2026Squarepoint Ops LLC218,676$1.15M0.0%+63.5%0.604%
2/16/2026Barclays PLC44,528$234K0.0%+15.4%0.123%
2/13/2026Marshall Wace LLP190,635$1.00M0.0%-56.6%0.527%
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2/13/2026GM Advisory Group LLC278,792$1.46M0.1%-58.9%0.770%
2/13/2026PCM Encore LLC11,830$62K0.0%N/A0.033%
2/13/2026Essex Investment Management Co. LLC482,614$2.53M0.4%-2.3%1.334%
2/13/2026State Street Corp596,294$3.13M0.0%-74.1%1.648%
2/13/2026Wells Fargo & Company MN30,623$161K0.0%+72.1%0.085%
2/12/2026Jane Street Group LLC36,795$193K0.0%N/A0.102%
2/12/2026HRT Financial LP154,830$812K0.0%N/A0.428%
2/12/2026Renaissance Technologies LLC222,100$1.17M0.0%+6.1%0.614%
2/12/2026Dimensional Fund Advisors LP246,614$1.30M0.0%-24.1%0.681%
2/12/2026IQ EQ FUND MANAGEMENT IRELAND Ltd78,026$410K0.0%+47.8%0.216%
2/12/2026Campbell & CO Investment Adviser LLC80,553$423K0.0%+21.2%0.223%
2/11/2026ARK Investment Management LLC1,985,986$10.43M0.1%+1.6%5.488%
2/11/2026Deutsche Bank AG18,429$97K0.0%+3,351.1%0.051%
2/11/2026Amova Asset Management Americas Inc.288,081$1.51M0.0%-9.5%0.796%
2/10/2026Goldman Sachs Group Inc.199,286$1.05M0.0%+150.1%0.551%
2/10/2026AXQ Capital LP28,125$148K0.0%+115.6%0.078%
2/10/2026Intech Investment Management LLC11,515$60K0.0%-13.0%0.032%
2/9/2026Geode Capital Management LLC688,566$3.62M0.0%+2.5%1.902%
2/6/2026Legato Capital Management LLC155,594$817K0.1%+9.5%0.430%
2/6/2026Nano Cap New Millennium Growth Fund L P120,000$630K0.5%N/A0.332%
2/6/2026Prescott Group Capital Management L.L.C.361,595$1.90M0.2%+90.3%0.999%
2/5/2026HighMark Wealth Management LLC241,000$1.27M0.5%N/A0.666%
2/4/2026First Eagle Investment Management LLC623,883$3.28M0.0%+3.3%1.724%
2/4/202649 Wealth Management LLC17,581$92K0.0%-8.4%0.049%
2/3/2026Mitsubishi UFJ Asset Management Co. Ltd.140,503$715K0.0%-30.5%0.388%
2/2/2026Strs Ohio29,700$156K0.0%+130.2%0.082%
1/29/2026Concurrent Investment Advisors LLC11,745$62K0.0%-50.0%0.032%
1/23/2026Sumitomo Mitsui Trust Group Inc.288,081$1.51M0.0%-9.5%0.796%
1/1/2026JPMorgan Chase & Co.11,238$98K0.0%-15.2%0.031%
11/19/2025GM Advisory Group LLC678,086$5.94M0.3%-41.8%1.874%
11/17/2025Susquehanna International Group LLP23,778$208K0.0%-45.4%0.066%
11/17/2025Millennium Management LLC31,063$272K0.0%-62.4%0.086%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.12,700$111K0.0%-15.2%0.035%
11/17/2025Granahan Investment Management LLC64,338$564K0.0%N/A0.178%
11/17/2025First Light Asset Management LLC2,510,496$21.99M2.1%+135.2%6.937%
11/17/2025Brevan Howard Capital Management LP11,600$102K0.0%N/A0.032%
11/17/2025Bank of America Corp DE270,069$2.37M0.0%-25.6%0.746%
11/17/2025Alliancebernstein L.P.45,850$402K0.0%-17.8%0.127%
11/14/2025Schonfeld Strategic Advisors LLC103,025$902K0.0%-56.4%0.285%
11/14/2025Raymond James Financial Inc.183,282$1.61M0.0%+2,649.5%0.506%
11/14/2025Brooklyn Investment Group65,631$575K0.0%N/A0.181%
11/14/2025Squarepoint Ops LLC133,774$1.17M0.0%N/A0.370%
11/13/2025BNP Paribas Financial Markets5,374$47K0.0%-74.8%0.015%
11/13/2025FourThought Financial Partners LLC37,334$327K0.0%N/A0.103%
11/13/2025Russell Investments Group Ltd.10,640$93K0.0%N/A0.029%
11/12/2025Amova Asset Management Americas Inc.318,350$2.79M0.0%-19.3%0.888%
11/12/2025ARK Investment Management LLC1,953,772$17.12M0.1%-26.2%5.448%
11/12/2025Dimensional Fund Advisors LP324,788$2.84M0.0%-10.5%0.906%
11/12/2025Cresset Asset Management LLC16,100$141K0.0%+37.1%0.045%
11/12/2025First Eagle Investment Management LLC603,962$5.29M0.0%+125.9%1.684%
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11/12/2025Mitsubishi UFJ Asset Management Co. Ltd.202,175$1.77M0.0%-4.9%0.564%
11/12/2025Intech Investment Management LLC13,236$116K0.0%-23.0%0.037%
11/10/2025AXQ Capital LP13,045$114K0.0%N/A0.036%
11/7/2025Cassaday & Co Wealth Management LLC71,629$627K0.0%N/A0.200%
11/7/2025Vanguard Group Inc.1,421,732$12.45M0.0%-0.7%3.965%
11/7/2025JPMorgan Chase & Co.11,238$98K0.0%-15.2%0.031%
11/6/2025Essex Investment Management Co. LLC493,949$4.33M0.7%+3.5%1.377%
11/5/2025IQ EQ FUND MANAGEMENT IRELAND Ltd52,787$462K0.0%+38.2%0.147%
10/30/2025Strs Ohio12,900$113K0.0%N/A0.036%
10/28/2025Campbell & CO Investment Adviser LLC66,481$582K0.0%-38.8%0.185%


MASS Institutional Ownership - Frequently Asked Questions

During the previous two years, 107 institutional investors and hedge funds held shares of 908 Devices. The most heavily invested institutionals were First Light Asset Management LLC ($54.66M), AWM Investment Company Inc. ($42.45M), BlackRock Inc. ($16.92M), Vanguard Group Inc. ($12.45M), ARK Investment Management LLC ($10.43M), Granahan Investment Management LLC ($4.25M), and Needham Investment Management LLC ($4.04M).Learn more on 908 Devices' institutional investors.

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

Of the 90 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. ($8.51M), First Light Asset Management LLC ($6.92M), BlackRock Inc. ($1.94M), GM Advisory Group LLC ($1.17M), Needham Investment Management LLC ($698K), Granahan Investment Management LLC ($695.07K), and Invesco Ltd. ($649.63K).

Institutional investors have bought a total of 16,818,462 shares in the last 24 months. This purchase volume represents approximately $125.89M in transactions.

Of the 27 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: State Street Corp ($1.70M), GM Advisory Group LLC ($927.07K), ARK Investment Management LLC ($694.51K), Marshall Wace LLP ($249.00K), Dimensional Fund Advisors LP ($244.26K), Squarepoint Ops LLC ($175.45K), and Schonfeld Strategic Advisors LLC ($133.41K).

Institutional investors have sold a total of 4,764,960 shares in the last 24 months. This volume of shares sold represents approximately $32.05M in transactions.


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Institutional ownership data for NASDAQ:MASS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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