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Livermore
Livermore
ZHEN

Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

TNDM holding history

Tandem Diabetes Care 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.

TNDM overviewAll 13F holders of TNDMFull Q2 2026 holdings

Shares (Q3 2025)
0
Sold out in Q3 2025
Value
$0
% of portfolio
0.0%
Quarters held
18
Since Q1 2021
Holdings of TNDM by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 20250$00.0%−667,345−100.0%Sold outHolders
Q2 2025667,345$12.4M0.1%−786,894−54.1%ReducedHolders
Q1 20251,454,239$27.9M0.2%−489,117−25.2%ReducedHolders
Q4 20241,943,356$70.0M0.3%−35,763−1.8%ReducedHolders
Q3 20241,979,119$83.9M0.4%−194,988−9.0%ReducedHolders
Q2 20242,174,107$87.6M0.4%+677,036+45.2%AddedHolders
Q1 20241,497,071$53.0M0.3%+1,194,292+394.4%AddedHolders
Q4 2023302,779$8.96M<0.1%−22,910−7.0%ReducedHolders
Q3 2023325,689$6.76M<0.1%+110,049+51.0%AddedHolders
Q2 2023215,640$5.29M<0.1%−8,768−3.9%ReducedHolders
Q1 2023224,408$9.11M<0.1%+79,241+54.6%AddedHolders
Q4 2022145,167$6.53M<0.1%−34,506−19.2%ReducedHolders
Q3 2022179,673$8.60M<0.1%+34,583+23.8%AddedHolders
Q2 2022145,090$8.59M<0.1%−3,522−2.4%ReducedHolders
Q1 2022148,612$17.3M0.1%−728−0.5%ReducedHolders
Q4 2021149,340$22.5M0.1%−4,894−3.2%ReducedHolders
Q3 2021154,234$18.4M<0.1%−18,658−10.8%ReducedHolders
Q2 2021172,892$16.8M<0.1%−2,092−1.2%ReducedHolders
Q1 2021174,984$15.4M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.