GKOSGlaukos Corporation

$165.63+98% 1Y

Who owns GKOS

361 institutions reported holding GKOS for 2026Q2, together 104% of the company, more than the 332 a quarter earlier.

361

Institutions reporting a position · as of 2026Q2 · up from 332 the quarter before

Shares held by institutions
60.6M

Shares held by institutions · 104% of the company · long US equity positions only, as reported on Form 13F

Reported value
$8.43B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
45%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
45
New positions
68
Positions exited
42
Added to
134
Reduced
93
Top 10 holdersof the company
58%
Shares sold shortsettled Sep 15, 2026
4.2M
Short interestof shares outstanding
7.2%
Days to coverat the average daily volume
5.7
Change in the short positionsince the Aug 31, 2026 count
+9.0%
Institutional ownership by quarter, 2015Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q236160.6M$8.43B
2026Q133257.9M$6.24B
2025Q432957.0M$6.44B
2025Q331155.9M$4.56B
2025Q229061.0M$6.30B
2025Q130957.5M$5.70B
2024Q431657.0M$8.54B
2024Q331154.7M$7.13B
2024Q227953.9M$6.37B
2024Q125051.8M$4.88B
2023Q424450.8M$4.04B
2023Q323049.6M$3.74B
2023Q221748.4M$3.45B
2023Q120047.3M$2.37B
2022Q421346.5M$2.03B
2022Q321944.3M$2.36B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.9.5M16%$1.33B
VANGUARD GROUP INC6.4M11%$893M
Jupiter Topco LLC4.9M8.4%$680M
PRIMECAP MANAGEMENT CO/CA/3.0M5.2%$425M
STATE STREET CORP2.3M4.0%$324M
MILLENNIUM MANAGEMENT LLC1.6M2.7%$221M
Holocene Advisors, LP1.5M2.6%$212M
GEODE CAPITAL MANAGEMENT LLC1.5M2.5%$205M
CITADEL ADVISORS LLC1.4M2.4%$194M
AMERIPRISE FINANCIAL INC1.3M2.3%$184M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20264.2M7.2%5.7
Aug 31, 20263.8M6.6%6.7
Aug 14, 20264.0M6.8%5.2
Jul 31, 20263.6M6.3%3.6
Jul 15, 20264.7M8.1%6.3
Jun 30, 20264.4M7.7%4.5
Jun 15, 20264.2M7.2%3.5
May 29, 20263.1M5.4%2.0
May 15, 20263.3M5.7%4.3
Apr 30, 20262.9M5.0%3.6
Apr 15, 20263.2M5.6%4.9
Mar 31, 20263.1M5.3%4.2

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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