GKOS — GLAUKOS CORP

Ownership history in Magnetar Financial LLC  ·  4 quarters on record

This page tracks every 13F SEC filing in which Magnetar Financial LLC reported a position in GLAUKOS CORP (GKOS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.05% (2024 Q1)
Avg. % of fund
0.02%
First filed
2019 Q4
Last filed
2025 Q3
Quarters held
4
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 8,209 -16,589 -66.9% 0.00% $669K $81.55
2024 Q1 ADDED 24,798 +20,804 +520.9% 0.05% $2.3M $94.29
2022 Q3 REDUCED 3,994 -2,883 -41.9% 0.00% $213K $53.24
2019 Q4 INITIATED 6,877 — — 0.01% $375K $54.47
% of Fund (quarterly)    GKOS price (monthly, adj. close)

Other funds also holding GKOS

As of 2025 Q4 — sorted by position size

BRAIDWELL LP 3Y 3.33% BROWN CAPITAL MANAGEMENT LLC 3Y 7Y 3.02% PFM Health Sciences, LP 3Y 7Y 2.27% Rhenman & Partners Asset Management AB 3Y 7Y 2.22% Resolute Capital Asset Partners LLC 3Y 2.21% Integral Health Asset Management, LLC 3Y 1.82% Exome Asset Management LLC 1.7% Capricorn Fund Managers Ltd 3Y 1.63% Taylor Frigon Capital Management LLC 3Y 7Y 1.62% Sofinnova Investments, Inc. 3Y 7Y 1.4%
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