# GLAUKOS CORP COM

GLAUKOS CORP COM is a security (CUSIP 377322102) tracked across SEC portfolio filings. 357 institutional managers reported $6.1B on Form 13F as of 2026-06-30; 47 registered fund positions totaling $607.4M via N-PORT as of 2026-05-31.

## Summary

- Issuer: GLAUKOS CORP
- Class: COM
- CUSIP: 377322102
- Asset category: EC
- 13F holders: 357
- 13F value: $6.1B
- 13F period: 2026-06-30
- N-PORT fund positions: 47
- N-PORT value: $607.4M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 357 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $978.6M | 9,090,029 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $679.8M | 6,020,492 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $575.8M | 5,348,395 |
| [PRIMECAP MANAGEMENT CO/CA/](https://search.stillhousedata.com/firm/105516) | PASADENA, CA | $362.9M | 3,370,628 |
| STATE STREET CORP | BOSTON, MA | $235.0M | 2,182,617 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $158.3M | 1,446,926 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $157.8M | 1,397,556 |
| [Holocene Advisors, LP](https://search.stillhousedata.com/firm/287999) | New York, NY | $149.0M | 1,383,715 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $148.0M | 1,374,958 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $146.1M | 1,356,453 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $132.8M | 1,173,696 |
| [WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC](https://search.stillhousedata.com/firm/173961) | CHICAGO, IL | $115.6M | 1,073,819 |
| Capital World Investors | LOS ANGELES, CA | $106.5M | 989,060 |
| [BRAIDWELL LP](https://search.stillhousedata.com/firm/316988) | STAMFORD, CT | $82.2M | 763,505 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $76.9M | 714,389 |

## Top fund holders (N-PORT)

_Showing 15 of 47 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $146.7M | 18.10% |
| [Janus Henderson Venture Fund](https://search.stillhousedata.com/fund/S000010488) | JANUS INVESTMENT FUND | $69.8M | 227.84% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $69.0M | 8.46% |
| [PRIMECAP Odyssey Growth Fund](https://search.stillhousedata.com/fund/S000005540) | PRIMECAP Odyssey Funds | $54.3M | 99.93% |
| [AB DISCOVERY GROWTH FUND, INC.](https://search.stillhousedata.com/fund/S000010117) | AB DISCOVERY GROWTH FUND, INC. | $40.6M | 150.93% |
| [Columbia Acorn Fund](https://search.stillhousedata.com/fund/S000009184) | COLUMBIA ACORN TRUST | $33.5M | 149.34% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $32.7M | 15.02% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $29.7M | 16.93% |
| [PGIM Jennison Small Company Fund](https://search.stillhousedata.com/fund/S000004629) | Prudential Jennison Small Co Fund, Inc. | $22.2M | 69.76% |
| [LORD ABBETT DEVELOPING GROWTH FUND INC](https://search.stillhousedata.com/fund/S000006834) | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $18.5M | 83.10% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $14.1M | 11.07% |
| [Baird Small/Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000063403) | Baird Funds Inc | $13.5M | 1755.06% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $9.8M | 20.25% |
| [Small Cap Core Portfolio](https://search.stillhousedata.com/fund/S000051867) | Bernstein Fund Inc | $4.8M | 66.94% |
| [T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002073) | T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. | $4.3M | 10.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/377322102.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.