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GKOS — GLAUKOS CORP

Reported value held$4.68B
Funds holding (latest)48
SectorHealth Care
Funds holding (Q2 2026)41
Institutional value$3.40B · 25.02M sh
New / Add / Cut / Exit5 / 25 / 9 / 2
Top-5 / Top-10 concentration62.0% / 76.6%
Institutional holdings change Reducing -9.2% (-2.52M sh)
Institutional value change Up +16.2%

As of Q2 2026, 41 SEC-registered investment managers reported holding GKOS (GLAUKOS CORP) in their latest 13F filings, with a combined reported value of $3.40B across 25.02M shares. That is -9.2% by share count (-2.52M shares) versus the previous quarter, while reported value moved +16.2%. Ownership is concentrated: the five largest holders account for 62.0% of reported value and the top ten for 76.6%.

Compared with the prior quarter, 5 opened new positions, 25 added to existing stakes, 9 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

GKOS is classified in the Health Care sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 9.54M $1.33B 0.02% Add
Vanguard Group history Q4 2025 6.02M $679.77M 0.01% Hold
Janus Henderson Group history Q1 2026 5.35M $575.84M 0.29% Add
Millennium Management history Q2 2026 1.61M $225.16M 0.09% Add
Geode Capital Management history Q2 2026 1.46M $204.57M 0.01% Add
Citadel Advisors history Q2 2026 1.46M $203.86M 0.02% Reduce
Capital World Investors history Q2 2026 1.02M $141.99M 0.02% Add
Goldman Sachs Group history Q2 2026 897.02K $125.37M 0.01% Reduce
Charles Schwab Investment Management history Q2 2026 752.64K $105.19M 0.01% Add
Invesco Ltd history Q2 2026 706.88K $98.79M 0.01% Reduce
Northern Trust Corp history Q2 2026 612.50K $85.60M 0.01% Add
Morgan Stanley history Q2 2026 589.79K $82.43M 0.01% Reduce
Bank of America Corp history Q2 2026 587.33K $82.08M 0.01% Reduce
UBS Group AG history Q2 2026 578.27K $80.82M 0.01% Add
Norges Bank Investment Management history Q2 2026 498.50K $69.67M 0.01% Reduce
Balyasny Asset Management history Q2 2026 491.64K $68.71M 0.09% New
Wellington Management Group history Q2 2026 428.21K $59.85M 0.01% Add
Fidelity Management & Research (FMR) history Q2 2026 377.49K $52.76M 0.00% Add
Principal Global Investors history Q2 2026 358.76K $50.14M 0.03% Add
BNY Mellon history Q2 2026 357.15K $49.92M 0.01% Add

View all 48 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 8.48M 8.80M 8.56M 8.72M 8.66M 9.16M 9.09M 9.54M
Millennium Management 180.20K 4.79K 857.83K 118.94K 370.30K 398.28K 1.34M 1.58M 1.19M 1.47M 10.00M 9.50M 5.00M 395.22K 184.23K 67.50K 918.41K 1.61M 1.23M 1.61M
Geode Capital Management 747.92K 758.32K 788.12K 782.02K 798.77K 829.88K 870.63K 914.05K 951.25K 1.01M 1.04M 1.11M 1.17M 1.20M 1.22M 1.33M 1.32M 1.32M 1.36M 1.46M
Citadel Advisors 341.29K 99.27K 118.94K 36.18K 703.68K 733.18K 778.32K 472.96K 409.34K 222.96K 90.75K 568.93K 407.15K 1.24M 510.30K 381.41K 126.14K 84.76K 1.47M 1.46M
Capital World Investors 750.32K 750.32K 750.32K 750.32K 750.32K 750.32K 550.32K 550.32K 550.32K 550.32K 550.32K 550.32K 550.32K 550.32K 550.32K 850.89K 850.89K 850.89K 989.06K 1.02M
Goldman Sachs Group 138.77K 223.35K 188.48K 323.47K 347.97K 180.48K 216.07K 124.03K 108.00K 126.64K 230.42K 218.72K 310.11K 399.00K 369.15K 560.92K 436.97K 1.35M 1.37M 897.02K
Charles Schwab Investment Management 321.11K 331.80K 338.59K 332.68K 344.25K 351.36K 355.55K 366.38K 386.79K 392.24K 407.54K 434.42K 641.76K 650.70K 641.98K 700.46K 702.38K 714.03K 714.39K 752.64K
Invesco Ltd 233.84K 221.96K 217.50K 206.19K 210.86K 221.58K 213.11K 996.28K 1.45M 1.57M 1.60M 1.61M 1.39M 1.46M 1.45M 997.09K 607.44K 780.27K 914.19K 706.88K
Northern Trust Corp 568.64K 563.76K 542.93K 532.12K 532.15K 536.08K 539.83K 549.83K 552.32K 542.71K 532.82K 520.91K 538.62K 578.67K 569.73K 635.01K 627.66K 587.13K 576.21K 612.50K
Morgan Stanley 528.65K 503.39K 528.07K 506.71K 512.18K 809.21K 632.25K 568.50K 730.27K 662.26K 1.00M 615.68K 662.50K 494.69K 537.46K 496.32K 429.58K 670.78K 678.83K 589.79K
Bank of America Corp 352.22K 379.53K 415.46K 326.12K 363.82K 344.44K 453.27K 407.54K 390.69K 372.55K 290.00K 319.47K 300.27K 209.37K 212.25K 285.65K 474.93K 538.68K 657.43K 587.33K
UBS Group AG 23.13K 13.75K 1.70K 1.64K 8.34K 18.95K 26.38K 40.64K 6.97K 37.12K 37.68K 17.61K 24.81K 63.00K 78.36K 160.44K 210.09K 873.94K 386.40K 578.27K
Norges Bank Investment Management — — — — — 402.76K — — — 362.39K — 537.97K — 563.49K — 738.83K — 536.14K — 498.50K
Balyasny Asset Management 430.69K — 11.62K 557.89K 450.27K 171.14K 691.90K 158.13K 83.21K 29.79K 16.64K — — 31.75K — — — 87.17K — 491.64K
Wellington Management Group 3.80M 4.92M 4.70M 4.42M 3.61M 4.39M 4.68M 3.95M 2.06M 1.34M 422.28K 553.50K 2.18M 2.16M 2.29M 3.24M 3.58M 486.82K 149.15K 428.21K
Fidelity Management & Research (FMR) 10.62K 2.38K 3.76K 2.57K 2.89K 2.28K 2.96K 2.83K 4.20M 4.20M 4.20M 4.00M 6.58M 6.11M 6.54M 6.34M 121.41K 10.08K 303.27K 377.49K
Principal Global Investors — 325.33K 322.99K 326.69K 309.43K 310.10K 302.23K 346.72K 398.57K 297.47K 297.42K 297.95K 288.50K 268.53K 327.04K 283.39K 277.20K 274.56K 280.74K 358.76K
BNY Mellon 465.59K 478.38K 481.23K 458.20K 470.80K 450.01K 440.51K 435.76K 427.18K 410.62K 387.17K 413.68K 385.47K 397.84K 368.26K 392.54K 381.39K 355.84K 343.17K 357.15K
Marshall Wace 672.76K 425.54K 9.76K 7.94K 4.80K — 6.64K — — 73.13K 3.20K — 128.80K — 344.77K 230.69K 324.53K 7.24K 34.10K 314.80K
PSP Investments 94.57K 95.50K 87.52K 87.52K 87.25K 86.78K 83.90K 85.57K 60.13K 101.10K 100.03K 110.91K 116.61K 137.38K 174.84K 194.84K 223.71K 198.82K 205.48K 201.74K

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