GLAUKOS Corp - Common Stock (GKOS)

CUSIP: 377322102

Q4 2023 13F Holders as of 31 Dec 2023

Holder snapshot 7 signals
Share change
+1,061,329
Put/Call ratio
97%
SEC-reported price per share
$79.49
Number of holders
245
Value change
+$90,675,813
Number of buys
123
Open additional details 1 more signal available
Number of sells
111
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
58,134,728

Security key

377322102

Report period

Q4 2023

Institutions

245

Top holders

10

Ownership snapshot

Top reported holders of GKOS - GLAUKOS Corp - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
0/15
Latest evidence
30 Sep 2023
13F Highest disclosed value: $594,464,544 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. has the largest disclosed position value at $594.46M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.
Disclosed position value Top 5
BlackRock Finance, Inc. $594.46M
VANGUARD GROUP INC $394.31M
FMR LLC $262.05M
BROWN CAPITAL MANAGEMENT LLC $196.28M
WELLINGTON MANAGEMENT GROUP LLP $154.75M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock Finance, Inc.
13F
Company
13F
—
denominator unverified
$594,464,544
7,899,861 shares
— 30 Sep 2023
VANGUARD GROUP INC
13F
Company
13F
—
denominator unverified
$394,311,279
5,240,017 shares
— 30 Sep 2023
FMR LLC
13F
Company
13F
—
denominator unverified
$262,048,896
3,482,377 shares
— 30 Sep 2023
BROWN CAPITAL MANAGEMENT LLC
13F
Company
13F
—
denominator unverified
$196,280,144
2,608,374 shares
— 30 Sep 2023
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
—
denominator unverified
$154,745,681
2,056,421 shares
— 30 Sep 2023
FRED ALGER MANAGEMENT, LLC
13F
Company
13F
—
denominator unverified
$133,996,922
1,780,690 shares
— 30 Sep 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
245
Shares
50,930,304
Rows available
245
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders
231
Q4 2023 holders
245
Holder diff
14
Investor Q3 2023 Shares Q4 2023 Shares Share Diff Share Chg % Q3 2023 value Q4 2023 value Value change Value Chg %
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