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Glaukos
GKOS

Overview Fund Activity

316 hedge funds and large institutions have $5.65B invested in Glaukos in 2025 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 115 increasing their positions, 114 reducing their positions, and 56 closing their positions.

Holders
316
Holders Change
-5
Holders Change %
-1.56%
% of All Funds
4.29%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
55
Increased
115
Reduced
114
Closed
56
Calls
$27.9M
Puts
$77.9M
Net Calls
-$50M
Net Calls Change
-$31.4M

Top Buyers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$126M
2
Holocene Advisors
2
Holocene Advisors
New York
$73.5M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$643M
4
ClearBridge Investments
4
ClearBridge Investments
New York
$34.4M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$33.9M

Top Sellers

1
1832 Asset Management
1
1832 Asset Management
Ontario, Canada
$0
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$30.5M
3
Norges Bank
3
Norges Bank
Norway
$0
4
Citadel Advisors
4
Citadel Advisors
Florida
$41.4M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$842M 8,556,385 -240,893 -3%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$643M 6,537,647 +425,891 +7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$587M 5,965,115 -9,856 -0.2%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$225M 2,290,790 +131,251 +6%
State Street
5
State Street
Massachusetts
$195M 1,984,393 -79,006 -4%
Ameriprise
6
Ameriprise
Minnesota
$191M 1,943,955 +13,129 +0.7%
Invesco
7
Invesco
Georgia
$143M 1,452,116 -6,519 -0.4%
AllianceBernstein
8
AllianceBernstein
Tennessee
$126M 1,277,539 +461,386 +57%
Primecap Management
9
Primecap Management
California
$120M 1,218,475 +4,150 +0.3%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$120M 1,215,064 +17,849 +1%
BCM
11
Brown Capital Management
Maryland
$117M 1,192,589 -155,268 -12%
Westfield Capital Management
12
Westfield Capital Management
Massachusetts
$107M 1,084,184 +277,033 +34%
DCM
13
Driehaus Capital Management
Illinois
$95.8M 973,625 +153,502 +19%
Janus Henderson Group
14
Janus Henderson Group
United Kingdom
$91.8M 900,367 -192,050 -18%
GGHC
15
Gilder Gagnon Howe & Co
New York
$82.3M 836,529 +11,253 +1%
Holocene Advisors
16
Holocene Advisors
New York
$73.5M 746,768 +437,299 +141%
William Blair Investment Management
17
William Blair Investment Management
Illinois
$73.4M 745,290 -64,299 -8%
Charles Schwab
18
Charles Schwab
California
$63.2M 641,978 -8,719 -1%
Loomis, Sayles & Company
19
Loomis, Sayles & Company
Massachusetts
$63M 640,150 -13,922 -2%
B
20
Braidwell
Connecticut
$61.5M 624,435 +335,559 +116%
FAM
21
Fred Alger Management
New York
$59.6M 605,690 -159,268 -21%
JPMorgan Chase & Co
22
JPMorgan Chase & Co
New York
$57.4M 583,048 +182,462 +46%
Northern Trust
23
Northern Trust
Illinois
$56.1M 569,729 -8,944 -2%
Capital World Investors
24
Capital World Investors
California
$54.2M 550,322 – –
Morgan Stanley
25
Morgan Stanley
New York
$52.9M 537,456 +42,771 +9%
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