Glaukos Corp (GKOS) Ownership

92.75 ↑0.06 (0.06%)
As of March 28, 2024, 9:40am EST.

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Glaukos Corp (GKOS), owning a total of 7.9 million shares. Combined, the top 34 institutional holders of GKOS own 95.26% of the company with a total of 47 million shares.

In the latest ownership report on December 31st 2023, the top 34 institutional holders increased their combined ownership of GKOS by 2.1 million shares. 10 institutions bought 3,220,377 total additional shares and increased their ownership by an average of 16.82%. However 8 institutions sold 1,129,080 total shares and decreased their ownership by an average of 8.63%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Glaukos Corp increased by a net total of 2,091,297 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc15.958%-0.070%7,894,315-5,5462023-12-31
FMR Inc11.763%67.102%5,819,1102,336,7332023-12-31
Vanguard Group Inc10.586%-0.063%5,236,738-3,2792023-12-31
Brown Capital Management, LLC5.453%3.428%2,697,79489,4202023-12-31
State Street Corporation3.673%2.894%1,816,91151,1042023-12-31
Fred Alger Management, LLC3.325%-7.616%1,645,081-135,6092023-12-31
HHG PLC3.268%0.084%1,616,5341,3572023-12-31
Amvescap Plc.3.179%8.454%1,572,615122,5822023-12-31
Wellington Management Company LLP2.710%-34.814%1,340,500-715,9212023-12-31
Artisan Partners Limited Partnership2.472%-9.049%1,222,916-121,6652023-12-31
Ameriprise Financial Inc2.298%32.765%1,136,685280,5242023-12-31
Millennium Management LLC2.069%-6.291%1,023,333-68,6952023-12-31
Geode Capital Management, LLC2.038%5.965%1,007,98856,7412023-12-31
Dimensional Fund Advisors, Inc.1.867%3.498%923,52631,2132023-12-31
PRIMECAP Management Company1.597%23.710%790,035151,4152023-12-31
Morgan Stanley - Brokerage Accounts1.339%-9.314%662,256-68,0142023-12-31
Driehaus Capital Management LLC1.190%20.281%588,85399,2882023-12-31
Capital World Investors1.112%0.000%550,32202023-12-31
Riverbridge Partners LLC1.108%-1.853%548,136-10,3512023-12-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc15.958%-0.070%7,894,315-5,5462023-12-31
FMR Inc11.763%67.102%5,819,1102,336,7332023-12-31
Vanguard Group Inc10.586%-0.063%5,236,738-3,2792023-12-31
Brown Capital Management, LLC5.453%3.428%2,697,79489,4202023-12-31
State Street Corporation3.673%2.894%1,816,91151,1042023-12-31
Fred Alger Management, LLC3.325%-7.616%1,645,081-135,6092023-12-31
HHG PLC3.268%0.084%1,616,5341,3572023-12-31
Amvescap Plc.3.179%8.454%1,572,615122,5822023-12-31
Wellington Management Company LLP2.710%-34.814%1,340,500-715,9212023-12-31
Artisan Partners Limited Partnership2.472%-9.049%1,222,916-121,6652023-12-31
Ameriprise Financial Inc2.298%32.765%1,136,685280,5242023-12-31
Millennium Management LLC2.069%-6.291%1,023,333-68,6952023-12-31
Geode Capital Management, LLC2.038%5.965%1,007,98856,7412023-12-31
Dimensional Fund Advisors, Inc.1.867%3.498%923,52631,2132023-12-31
PRIMECAP Management Company1.597%23.710%790,035151,4152023-12-31
Citadel Advisors Llc1.559%8.149%758,32457,1412023-03-31
Lord, Abbett & Co LLC1.520%-1.697%741,947-12,8082023-09-30
BRAIDWELL LP1.407%-33.378%695,792-348,6002023-09-30
Balyasny Asset Management LLC1.422%304.286%691,899520,7582023-03-31
American Century Companies Inc1.387%-1.070%676,847-7,3192023-09-30
Point72 Asset Management, L.P.1.373%46.671%669,848213,1482023-06-30
Morgan Stanley - Brokerage Accounts1.339%-9.314%662,256-68,0142023-12-31
Adage Capital Partners Gp LLC1.332%76.583%650,000281,9002023-06-30
Polar Asset Management Partners1.241%0.472%596,3082,8002022-12-31
Driehaus Capital Management LLC1.190%20.281%588,85399,2882023-12-31
Columbia Mgmt Investment Advisers, LLC1.208%229.687%587,881409,5662023-06-30
PURA VIDA INVESTMENTS, LLC1.167%-25.381%567,891-193,1582023-03-31
Northern Trust Corp1.132%0.453%552,3172,4902023-09-30
Capital World Investors1.112%0.000%550,32202023-12-31
Riverbridge Partners LLC1.108%-1.853%548,136-10,3512023-12-31
New York State Common Retirement Fund1.058%19.638%509,88183,6932023-03-31
Bank of New York Mellon Corp0.987%2.751%470,80412,6042022-09-30
InterWest Venture Management Co0.737%0.280%351,2449802022-06-30
Goldman Sachs Group Inc0.730%7.574%347,96624,4992022-09-30

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of Glaukos Corp (GKOS), owning a total of 3.3 million shares. Combined, the top 36 mutual fund holders of GKOS own 62.88% of the company with a total of 30.9 million shares.

In the latest ownership report on February 29th 2024, the top 36 fund holders increased their combined ownership of GKOS by 21 thousand shares. 4 funds bought 25,058 total additional shares and increased their ownership by an average of 0.63%. However 2 funds sold 3,846 total shares and decreased their ownership by an average of 0.13%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Glaukos Corp increased by a net total of 21,212 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF6.705%0.136%3,317,1174,5002024-02-29
Vanguard Total Stock Mkt Idx Inv2.933%-0.252%1,450,766-3,6582024-02-29
Vanguard Small Cap Index2.415%0.925%1,194,80110,9532024-02-29
iShares Russell 2000 ETF2.325%-0.016%1,150,232-1882024-02-29
Vanguard Institutional Extnd Mkt Idx Tr1.456%0.075%720,3405402024-02-29
Vanguard Small Cap Growth Index Inv1.353%1.373%669,4609,0652024-02-29
iShares S&P Small-Cap 600 Growth ETF0.969%0.000%479,20202024-02-29

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF6.705%0.136%3,317,1174,5002024-02-29
Brown Capital Mgmt Small Co Inv2.947%0.000%1,457,91002023-09-30
Vanguard Total Stock Mkt Idx Inv2.933%-0.252%1,450,766-3,6582024-02-29
Vanguard Instl Ttl Stck Mkt Idx Tr2.905%2.883%1,417,46939,7242023-03-31
Select Medical Tech and Devcs2.459%11.111%1,200,000120,0002023-11-30
Vanguard Small Cap Index2.415%0.925%1,194,80110,9532024-02-29
iShares Russell 2000 ETF2.325%-0.016%1,150,232-1882024-02-29
Fidelity Select Medical Tech and Devcs2.264%-6.667%1,120,000-80,0002024-01-31
Fidelity® Select Medical Tech and Devcs2.213%8.000%1,080,00080,0002023-10-31
Janus Henderson US SMID Cap Growth2.103%0.000%1,040,17902023-12-31
Janus Henderson Triton D2.103%0.000%1,040,17902023-12-31
Fidelity Select Health Care1.900%0.000%940,00002024-01-31
Vanguard Health Care Inv1.921%0.000%934,74602023-06-30
Fidelity® Select Health Care1.680%10.811%820,00080,0002023-10-31
Select Health Care1.680%10.811%820,00080,0002023-10-31
Artisan Non-U.S. Small-Mid Growth Comp1.553%-7.101%768,011-58,7072023-12-31
Artisan International Small-Mid Investor1.553%-7.101%768,011-58,7072023-12-31
Vanguard Institutional Extnd Mkt Idx Tr1.456%0.075%720,3405402024-02-29
PRIMECAP Odyssey Aggressive Growth1.389%26.247%686,935142,8152023-12-31
Vanguard Small Cap Growth Index Inv1.353%1.373%669,4609,0652024-02-29
Vanguard Extended Market Index Investor1.354%0.195%658,8601,2842023-08-31
American Century US Opport. Mid Cap Gr1.237%0.000%603,75902023-09-30
American Century Heritage Inv1.237%0.000%603,75902023-09-30
Fidelity Advisor® Health Care I1.230%11.111%600,00060,0002023-11-30
Fidelity Advisor Health Care I1.213%0.000%600,00002024-01-31
American Funds SMALLCAP World A1.112%0.000%550,32202023-12-31
Lord Abbett Developing Growth A1.091%44.720%539,633166,7512024-01-31
Vanguard Explorer Inv1.083%-34.622%535,694-283,6862023-12-31
Alger Weatherbie Specialized Growth A1.020%5.011%496,05623,6732023-05-31
Fidelity Small Cap Growth0.984%49.295%486,699160,7002023-12-31
iShares S&P Small-Cap 600 Growth ETF0.969%0.000%479,20202024-02-29
Strategic Advisers Fidelity US TtlStk0.942%36.059%459,690121,8302023-12-31
Fidelity Small Cap Index0.942%1.932%459,6748,7132023-11-30
Janus Henderson Venture D0.898%0.000%438,01502023-09-30
Vanguard Tax-Managed Small Cap Adm0.873%0.000%421,07402023-05-31
Janus Henderson US Small Cap Growth0.836%0.000%403,17002023-03-31

Discussions

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breakthisgrip

$GKOS what caused the sell off in an otherwise good tech market today?

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three_dayNotice

$GKOS I’m not saying you guys are a bunch of whores
but I’m also not not saying it

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millimaker

$GKOS I don't know shit
but I know I'm holdin till I at least triple up

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