908 Devices INC Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

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ARK Investment Management LLC and Catherine D. Wood have jointly filed an Amendment No. 9 to their Schedule 13G, confirming a 5.32% ownership stake in 908 Devices Inc.
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AWM Investment Company, Inc. reports an increased beneficial ownership of 908 Devices Inc. common stock, now holding 11.8% of the class.
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ARK Investment Management and Catherine Wood have disclosed a reduction in their beneficial ownership of 908 Devices Inc. to 4.94%.
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ARCH Venture Fund VII and its affiliates disclosed a 15.1% beneficial ownership stake in 908 Devices Inc. as of March 31, 2026.
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State Street Corporation and its subsidiary SSGA Funds Management, Inc. reported a combined beneficial ownership of 1.6% of 908 Devices Inc. common stock.
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First Light Asset Management and Mathew P. Arens report a 12.93% beneficial ownership stake in 908 Devices Inc. common stock.
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First Light Asset Management, LLC and Mathew P. Arens have reported a beneficial ownership of 9.84% in 908 Devices Inc. common stock.
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ARK Investment Management LLC and Catherine D. Wood have disclosed a continued beneficial ownership of 5.41% in 908 Devices Inc. common stock.
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State Street Corporation and its subsidiary SSGA Funds Management, Inc. have reported beneficial ownership of 6.4% of 908 Devices Inc.'s common stock.
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Ameriprise Financial, Inc. and its subsidiary Columbia Management Investment Advisers, LLC have filed an amended Schedule 13G, reporting a beneficial ownership of 0.0% in 908 Devices Inc.
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BlackRock, Inc. has filed an amendment to its Schedule 13G, disclosing a 4.6% passive beneficial ownership stake in 908 Devices Inc. as of March 31, 2025.
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AWM Investment Company, Inc. has reported a significant beneficial ownership stake of 14.7% in 908 Devices Inc., holding over 5.1 million shares as of March 31, 2025.
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ARK Investment Management LLC has filed an amended Schedule 13G, reporting a passive beneficial ownership of 8.01% in 908 Devices Inc. as of December 31, 2024.
NASDAQ
The Vanguard Group has filed an amended Schedule 13G, disclosing a 3.8% beneficial ownership stake in 908 Devices Inc. as of December 31, 2024.
NASDAQ
ARK Investment Management LLC has disclosed a 9.29% beneficial ownership stake in 908 Devices Inc. as of September 30, 2024, through a Schedule 13G filing.