What does CUSIP 65443P102 represent in this 13F holders report?

CUSIP 65443P102 is the security identifier for MASS - 908 Devices Inc. - Common Stock, $0.001 par value used to aggregate holder disclosures.

How many institutions held MASS - 908 Devices Inc. - Common Stock, $0.001 par value in Q1 2021?

71 institutional investors reported MASS - 908 Devices Inc. - Common Stock, $0.001 par value for Q1 2021. Use the holders table for investor-level position and value details.

908 Devices Inc. - Common Stock, $0.001 par value (MASS)

CUSIP: 65443P102

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock, $0.001 par value
Shares outstanding: 36,189,228
Total 13F shares: 8,547,858
Share change: +492,974
Total reported value: $413,830,255
Price per share: $48.50
Number of holders: 71
Value change: +$12,162,543
Number of buys: 51
Number of sells: 43

Quarterly Holders Quick Answers

What is CUSIP 65443P102?
CUSIP 65443P102 identifies MASS - 908 Devices Inc. - Common Stock, $0.001 par value in SEC institutional holdings data.

Need full ownership history?
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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 65443P102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MASS - 908 Devices Inc. - Common Stock, $0.001 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	2.1%	748,566	$42,632,000	—	31 Dec 2020	13F
Tao Capital Management LP	13F	Company	2%	715,519	$40,749,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.6%	573,000	$32,632,000	—	31 Dec 2020	13F
Cormorant Asset Management, LP	13F	Company	1.5%	545,322	$29,503,000	—	31 Dec 2020	13F
ARK Investment Management LLC	13F	Company	1.2%	437,248	$24,901,000	—	31 Dec 2020	13F
Capital World Investors	13F	Company	1.2%	425,000	$24,204,000	—	31 Dec 2020	13F
Casdin Capital, LLC	13F	Company	1.1%	406,502	$23,150,000	—	31 Dec 2020	13F
SANDS CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	393,128	$22,389,000	—	31 Dec 2020	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.92%	333,283	$18,980,000	—	31 Dec 2020	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	0.9%	325,000	$18,509,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	0.83%	300,000	$17,086,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.83%	299,969	$17,083,000	—	31 Dec 2020	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.81%	292,115	$16,639,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.59%	214,154	$12,196,000	—	31 Dec 2020	13F
LORD, ABBETT & CO. LLC	13F	Company	0.42%	150,525	$8,572,000	—	31 Dec 2020	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.41%	150,000	$8,543,000	—	31 Dec 2020	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.39%	140,000	$7,973,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.32%	115,000	$6,549,000	—	31 Dec 2020	13F
Nicholas Investment Partners, LP	13F	Company	0.26%	93,595	$5,330,000	—	31 Dec 2020	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.23%	84,190	$4,795,000	—	31 Dec 2020	13F
FEDERATED HERMES, INC.	13F	Company	0.22%	80,000	$4,556,000	—	31 Dec 2020	13F
First Light Asset Management, LLC	13F	Company	0.22%	80,000	$4,556,000	—	31 Dec 2020	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.21%	77,500	$4,414,000	—	31 Dec 2020	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.21%	75,000	$4,271,000	—	31 Dec 2020	13F
FARALLON CAPITAL MANAGEMENT LLC	13F	Company	0.21%	75,000	$4,271,000	—	31 Dec 2020	13F
Redmile Group, LLC	13F	Company	0.21%	75,000	$4,271,000	—	31 Dec 2020	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.17%	60,500	$3,445,000	—	31 Dec 2020	13F
Alyeska Investment Group, L.P.	13F	Company	0.14%	50,190	$2,858,000	—	31 Dec 2020	13F
JENNISON ASSOCIATES LLC	13F	Company	0.14%	50,000	$2,848,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.13%	45,451	$2,588,000	—	31 Dec 2020	13F
ORBIMED ADVISORS LLC	13F	Company	0.11%	40,000	$2,278,000	—	31 Dec 2020	13F
RTW INVESTMENTS, LP	13F	Company	0.11%	40,000	$2,278,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	0.11%	40,000	$2,278,000	—	31 Dec 2020	13F
Zimmer Partners, LP	13F	Company	0.1%	35,000	$1,993,000	—	31 Dec 2020	13F
MARSHALL WACE, LLP	13F	Company	0.09%	34,079	$1,941,000	—	31 Dec 2020	13F
Maven Securities LTD	13F	Company	0.08%	30,435	$1,838,000	—	31 Dec 2020	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.09%	31,563	$1,798,000	—	31 Dec 2020	13F
Point72 Asset Management, L.P.	13F	Company	0.09%	31,492	$1,793,000	—	31 Dec 2020	13F
Allianz Asset Management GmbH	13F	Company	0.06%	23,143	$1,318,000	—	31 Dec 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.06%	22,379	$1,275,000	—	31 Dec 2020	13F
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP	13F	Company	0.06%	22,000	$1,252,000	—	31 Dec 2020	13F
Lisanti Capital Growth, LLC	13F	Company	0.06%	21,870	$1,245,000	—	31 Dec 2020	13F
ExodusPoint Capital Management, LP	13F	Company	0.06%	21,654	$1,233,000	—	31 Dec 2020	13F
Marshall Wace North America L.P.	13F	Company	0.06%	21,374	$1,217,000	—	31 Dec 2020	13F
Laurion Capital Management LP	13F	Company	0.06%	20,000	$1,139,000	—	31 Dec 2020	13F
PLATINUM INVESTMENT MANAGEMENT LTD	13F	Company	0.06%	20,000	$1,139,000	—	31 Dec 2020	13F
Weiss Multi-Strategy Advisers LLC	13F	Company	0.05%	18,089	$1,030,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.05%	18,040	$1,027,000	—	31 Dec 2020	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	0.05%	17,399	$991,000	—	31 Dec 2020	13F
TD ASSET MANAGEMENT INC	13F	Company	0.05%	17,200	$980,000	—	31 Dec 2020	13F

Institutional Holders of 908 Devices Inc. - Common Stock, $0.001 par value (MASS) as of Q1 2021

As of 31 Mar 2021, 908 Devices Inc. - Common Stock, $0.001 par value (MASS) was held by 71 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 8,547,858 shares. The largest 10 holders included ARK Investment Management LLC, BlackRock Inc., Tao Capital Management LP, Cormorant Asset Management, LP, PRICE T ROWE ASSOCIATES INC /MD/, GRANAHAN INVESTMENT MANAGEMENT INC/MA, Casdin Capital, LLC, FMR LLC, VANGUARD GROUP INC, and EVENTIDE ASSET MANAGEMENT, LLC. This page lists 71 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

Q1 2021 holders

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.