908 DEVICES INC (MASS) Institutional Ownership Changes & 13F Activity

908 DEVICES INC (MASS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include First Eagle U.S. Value, ARK Invest, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2022ARK InvestSell-85,7193,689,475$28,113,800
Q4 2022Renaissance Technologies LLCBuy65,700232,400$1,771
Q3 2022ARK InvestBuy146,9743,775,194$62,102
Q3 2022Renaissance Technologies LLCBuy29,000166,700$2,742
Q2 2022ARK InvestBuy145,2943,628,220$50,505
Q2 2022Renaissance Technologies LLCBuy98,700137,700$2,835
Q1 2022ARK InvestBuy486,5333,482,926$66,210
Q1 2022Renaissance Technologies LLCBuy39,00039,000$741
Q4 2021ARK InvestBuy245,5162,996,393$77,517
Q3 2021ARK InvestBuy296,5202,750,877$89,459
Q2 2021ARK InvestBuy1,381,4912,454,357$95,106
Q1 2021ARK InvestBuy635,6181,072,866$52,034
Q4 2020ARK InvestBuy437,248437,248$24,901

Frequently asked questions about MASS activity

  • Which institutional owners are buying MASS?

    Institutional owners buying MASS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MASS activity?

    "Buy" means an investor increased their reported position in MASS compared to the prior reporting period. This reflects growing exposure to 908 DEVICES INC (MASS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MASS increasing?

    Institutional interest in MASS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.