908 DevicesMASS

13F holders, Q4 2024 (December 31)
81holders −5
16new positions
20sold out
5famous investors
$2.20avg. 13F price*

At the end of Q4 2024, 81 institutions reported holding 908 Devices Inc. (MASS) in their 13F filings, down 5 from Q3 2024. 16 opened new positions and 20 sold out. The largest holders were ARK Investment Management ($6.1M), BlackRock, Inc. ($4.2M) and Ameriprise Financial Inc. ($4.0M). 5 famous investors held it, including Cathie Wood (0.1% of ARK Investment Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
908 Devices Inc.
CUSIP
65443P102
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 75Q1 2024Q2 2024: 90Q2 2024Q3 2024: 86Q3 2024Q4 2024: 81Q4 2024Q1 2025: 87Q1 2025Q2 2025: 101Q2 2025Q3 2025: 107Q3 2025Q4 2025: 118Q4 2025Q1 2026: 112Q1 2026Q2 2026: 111Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions16$1.3M
Exits20$5.5M

All 13F filers, Q3 2024 → Q4 2024: 1,514,300 shares bought and 3,207,315 shares sold, net −1,693,015 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 81 holders

ARK Investment Management 0.05% Reduce -13.4% 2,788,566 $6.1M
BlackRock, Inc. 0.00% Add +2.3% 1,927,018 $4.2M
Ameriprise Financial Inc. 0.00% Reduce -1.6% 1,814,187 $4.0M
AWM Investment Company, Inc. 0.45% Add +6.3% 1,673,924 $3.7M
Vanguard Group Inc. 0.00% Reduce -29.5% 1,324,534 $2.9M
Geode Capital Management, LLC 0.00% Add +2.4% 581,300 $1.3M
Tao Capital Management LP 0.87% No change 568,981 $1.3M
Granahan Investment Management, LLC 0.05% Reduce -39.3% 522,786 $1.2M
Sumitomo Mitsui Trust Group, Inc. 0.00% Reduce -5.6% 467,427 $1.0M
Amova Asset Management Americas, Inc. 0.01% Reduce -5.6% 467,427 $1.0M
State Street Corp. 0.00% Reduce -4.5% 457,347 $1.0M
Dimensional Fund Advisors LP 0.00% Reduce -3.2% 384,332 $845K
Renaissance Technologies 0.00% Reduce -8.5% 294,956 $649K
Morgan Stanley 0.00% Add +156.4% 266,568 $586K
Goldman Sachs Group Inc. 0.00% Add +218.0% 264,257 $581K
Sands Capital Alternatives, LLC 0.11% No change 237,258 $522K
Charles Schwab Investment Management Inc. 0.00% Reduce -8.5% 201,768 $444K
Northern Trust Corp. 0.00% Add +7.5% 200,764 $442K
Needham Investment Management LLC 0.03% Add +100.0% 200,000 $440K
Citadel Advisors 0.00% Reduce -9.2% 197,183 $434K
Prescott Group Capital Management, L.L.C. 0.04% New 150,000 $330K
Gsa Capital Partners LLP 0.02% New 117,885 $259K
Millennium Management 0.00% Reduce -11.5% 116,358 $256K
Jane Street Group, LLC 0.00% Add +118.9% 113,890 $251K
Nuveen Asset Management, LLC 0.00% Reduce -47.7% 106,951 $235K
Deutsche Bank AG 0.00% Add +1159.4% 99,239 $218K
Bank of America Corp. 0.00% Add +190.9% 94,753 $208K
D. E. Shaw & Co. 0.00% Add +49.1% 85,860 $189K
Bridgeway Capital Management, LLC 0.00% No change 85,500 $188K
Bruce & Co., Inc. 0.05% No change 68,286 $150K
LPL Financial LLC 0.00% Add +13.0% 63,287 $139K
Bank of Montreal 0.00% New 56,310 $124K
XTX Topco Ltd 0.01% New 52,196 $115K
Bank of New York Mellon Corp 0.00% No change 49,930 $110K
49 Wealth Management, LLC 0.02% Add +59.7% 49,670 $109K
Barclays PLC 0.00% Reduce -4.5% 44,128 $97K
American Century Companies Inc. 0.00% Reduce -0.2% 41,343 $91K
Alliancebernstein L.P. 0.00% No change 41,190 $91K
Thrivent Financial for Lutherans 0.00% No change 23,470 $85K
Marshall Wace, LLP 0.00% New 38,500 $85K
Rhumbline Advisers 0.00% Add +4.4% 36,278 $80K
Susquehanna International Group, LLP 0.00% New 35,624 $78K
Citigroup Inc. 0.00% Add +34.7% 27,847 $61K
Stifel Financial Corp. 0.00% New 23,509 $52K
Concurrent Investment Advisors, LLC 0.00% New 23,470 $52K
UBS Group AG 0.00% Add +151.5% 21,754 $48K
HSBC Holdings PLC 0.00% Add +32.2% 21,007 $46K
Two Sigma Investments, LP 0.00% New 19,000 $42K
Occudo Quantitative Strategies LP 0.01% New 16,376 $36K
Prudential Financial Inc. 0.00% New 15,405 $34K
Wells Fargo & Company 0.00% Add +16.8% 13,708 $30K
Two Sigma Advisers, LP 0.00% New 13,500 $30K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.8% 13,333 $29K
Tower Research Capital LLC (TRC) 0.00% Add +2.9% 13,151 $29K
US Bancorp \de 0.00% Add +17.5% 12,688 $28K
Corebridge Financial, Inc. 0.00% Reduce -7.0% 11,799 $26K
JPMorgan Chase & Co. 0.00% Add +7.4% 11,747 $26K
Cresset Asset Management, LLC 0.00% No change 11,745 $26K
Intech Investment Management LLC 0.00% New 10,885 $24K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.00% New 10,604 $23K
SG Americas Securities, LLC 0.00% Add +1.7% 10,520 $23K
New York State Common Retirement Fund 0.00% No change 8,487 $19K
Allworth Financial LP 0.00% No change 5,269 $15K
BNP Paribas Financial Markets 0.00% New 6,180 $14K
Simplex Trading, LLC 0.00% Add +1216.3% 4,857 $10K
Royal Bank of Canada 0.00% Add +30.8% 2,795 $6K
FMR LLC 0.00% Add +74.2% 2,494 $5K
Legal & General Group Plc 0.00% No change 1,821 $4K
California State Teachers Retirement System 0.00% No change 1,720 $4K
HM Payson & Co. 0.00% Reduce -40.0% 1,500 $3K
Signaturefd, LLC 0.00% Reduce -44.4% 1,447 $3K
Ameritas Investment Partners, Inc. 0.00% No change 1,442 $3K
Federated Hermes, Inc. 0.00% New 1,206 $3K
Amalgamated Bank 0.00% No change 766 $2K
Cwm, LLC 0.00% Add +465.6% 1,086 $2K
Sterling Capital Management LLC 0.00% Add +979.7% 745 $2K
R Squared Ltd 0.00% — 260 $572
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -89.0% 258 $568
GPS Wealth Strategies Group, LLC 0.00% No change 200 $440
Nisa Investment Advisors, LLC 0.00% Add +432.1% 149 $328
Osaic Holdings, Inc. 0.00% Reduce -3.9% 125 $275

"% of holder's portfolio" is MASS's weight in each manager's 13F, not the share of 908 Devices Inc. the manager owns.