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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.

New
Increased
Maintained
Reduced
Closed
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
Citadel Advisors
3
Citadel Advisors
Florida
$41.4M
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Millennium Management
5
Millennium Management
New York
$7.7M
Name Holding Trade Value Shares
Change 		Shares
Change %
TIM
26
Thornburg Investment Management
New Mexico
$49.6M +$4.77M +4,847 +11%
SPPAM
27
Summit Partners Public Asset Management
Massachusetts
$43.4M -$28.4M -288,824 -40%
Dimensional Fund Advisors
28
Dimensional Fund Advisors
Texas
$42.3M +$11.5M +117,012 +37%
Citadel Advisors
29
Citadel Advisors
Florida
$41.4M -$76M -772,243 -65%
New York State Common Retirement Fund
30
New York State Common Retirement Fund
New York
$37.2M -$356K -3,622 -0.9%
Goldman Sachs
31
Goldman Sachs
New York
$36.3M -$2.94M -29,856 -7%
Bank of New York Mellon
32
Bank of New York Mellon
New York
$36.2M -$2.91M -29,584 -7%
ClearBridge Investments
33
ClearBridge Investments
New York
$34.4M +$34.4M +349,578 New
Marshall Wace
34
Marshall Wace
United Kingdom
$33.9M +$33.9M +344,771 New
Principal Financial Group
35
Principal Financial Group
Iowa
$32.2M +$5.76M +58,502 +22%
NL
36
Nuveen LLC
North Carolina
$31.5M +$31.5M +319,795 New
Allspring Global Investments
37
Allspring Global Investments
North Carolina
$31.1M -$2.11M -21,735 -6%
Lord, Abbett & Co
38
Lord, Abbett & Co
New Jersey
$30.5M -$98.3M -999,145 -76%
Artisan Partners
39
Artisan Partners
Wisconsin
$29.8M -$16.7M -169,456 -36%
EAM
40
Eventide Asset Management
Massachusetts
$28.6M +$28.6M +290,921 New
RP
41
Riverbridge Partners
Minnesota
$28.1M -$2.7M -27,469 -9%
RPAM
42
Rhenman & Partners Asset Management
Sweden
$26.6M +$23M +233,469 +639%
ACM
43
Atika Capital Management
New York
$25.9M +$2.36M +24,000 +10%
UBS AM
44
UBS AM
Illinois
$22.6M +$6.66M +67,668 +42%
Royal Bank of Canada
45
Royal Bank of Canada
Ontario, Canada
$22.5M +$11.4M +115,939 +103%
Qube Research & Technologies (QRT)
46
Qube Research & Technologies (QRT)
United Kingdom
$21.1M +$18.7M +189,706 +754%
Bank of America
47
Bank of America
North Carolina
$20.9M +$283K +2,873 +1%
Amundi
48
Amundi
France
$19.8M +$9.73M +111,872 +97%
Comerica Bank
49
Comerica Bank
Texas
$19.6M +$4.7M +47,763 +32%
RCM
50
RA Capital Management
Massachusetts
$18.7M +$18.7M +190,256 New
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