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Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

MASS holding history

908 Devices Inc. in every 13F filed by Fred Alger Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MASS overviewAll 13F holders of MASSFull Q2 2026 holdings

Shares (Q4 2024)
0
Sold out in Q4 2024
Value
$0
% of portfolio
0.0%
Quarters held
13
Since Q3 2021
Holdings of MASS by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20240$00.0%−820,448−100.0%Sold outHolders
Q3 2024820,448$2.85M<0.1%−185,789−18.5%ReducedHolders
Q2 20241,006,237$5.18M<0.1%−10,165−1.0%ReducedHolders
Q1 20241,016,402$7.67M<0.1%−194,017−16.0%ReducedHolders
Q4 20231,210,419$13.6M0.1%−121,121−9.1%ReducedHolders
Q3 20231,331,540$8.87M0.1%−455,372−25.5%ReducedHolders
Q2 20231,786,912$12.3M0.1%−19,286−1.1%ReducedHolders
Q1 20231,806,198$15.5M0.1%−998,715−35.6%ReducedHolders
Q4 20222,804,913$21.4M0.1%−654,190−18.9%ReducedHolders
Q3 20223,459,103$56.9M0.3%+2,388,844+223.2%AddedHolders
Q2 20221,070,259$22.0M0.1%+343,087+47.2%AddedHolders
Q1 2022727,172$13.8M<0.1%+126,205+21.0%AddedHolders
Q4 2021600,967$15.5M<0.1%+163,541+37.4%AddedHolders
Q3 2021437,426$14.2M<0.1%+437,426NewHolders