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Livermore
Livermore
ZHEN

Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

GKOS holding history

GLAUKOS Corp 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.

GKOS overviewAll 13F holders of GKOSFull Q2 2026 holdings

Shares (Q2 2026)
125,911
Value
$17.6M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of GKOS by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026125,911$17.6M0.1%+11,968+10.5%AddedHolders
Q1 2026113,943$12.3M0.1%−211,597−65.0%ReducedHolders
Q4 2025325,540$36.8M0.1%+8,736+2.8%AddedHolders
Q3 2025316,804$25.8M0.1%−109,170−25.6%ReducedHolders
Q2 2025425,974$44.0M0.2%−179,716−29.7%ReducedHolders
Q1 2025605,690$59.6M0.3%−159,268−20.8%ReducedHolders
Q4 2024764,958$114.7M0.5%−312,016−29.0%ReducedHolders
Q3 20241,076,974$140.3M0.7%−201,749−15.8%ReducedHolders
Q2 20241,278,723$151.3M0.7%+47,308+3.8%AddedHolders
Q1 20241,231,415$116.1M0.6%−413,666−25.1%ReducedHolders
Q4 20231,645,081$130.8M0.7%−135,609−7.6%ReducedHolders
Q3 20231,780,690$134.0M0.8%+150,102+9.2%AddedHolders
Q2 20231,630,588$116.1M0.6%+109,801+7.2%AddedHolders
Q1 20231,520,787$76.2M0.4%+194,028+14.6%AddedHolders
Q4 20221,326,759$58.0M0.3%−75,351−5.4%ReducedHolders
Q3 20221,402,110$74.6M0.4%+358,360+34.3%AddedHolders
Q2 20221,043,750$47.4M0.2%+39,959+4.0%AddedHolders
Q1 20221,003,791$58.0M0.2%+38,088+3.9%AddedHolders
Q4 2021965,703$42.9M0.1%+348,954+56.6%AddedHolders
Q3 2021616,749$29.7M0.1%−91,938−13.0%ReducedHolders
Q2 2021708,687$60.1M0.1%+8,758+1.3%AddedHolders
Q1 2021699,929$58.7M0.2%––Holders

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