GKOS β€” Glaukos Corporation

Ownership history in RIVERBRIDGE PARTNERS LLC  Β·  19 quarters on record

AI Ownership Summary

RIVERBRIDGE PARTNERS LLC reported Glaukos Corporation (GKOS) in 19 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 1.13% in 2025 Q4. The latest visible filing shows GKOS at 1.13% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this GKOS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was RIVERBRIDGE PARTNERS LLC's position in Glaukos Corporation, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

GKOS was reported at 1.13% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.13% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How RIVERBRIDGE PARTNERS LLC held GKOS β€” position size vs. price
% of Fund (quarterly)    GKOS price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 535,169 -34,475 -6.1% 1.13% $60.4M 2026-02-14 (Est.) $109.47
2025 Q3 ADDED 569,644 +165,673 +41.0% 0.78% $46.5M 2025-10-14 $85.32
2025 Q2 ADDED 403,971 +118,509 +41.5% 0.67% $41.7M 2025-07-15 $98.26
2025 Q1 REDUCED 285,462 -27,469 -8.8% 0.45% $28.1M 2025-04-21 $88.30
2024 Q4 REDUCED 312,931 -163,751 -34.4% 0.64% $46.9M 2025-01-17 $156.39
2024 Q3 REDUCED 476,682 -16,393 -3.3% 0.83% $62.1M 2024-10-15 $127.61
2024 Q2 REDUCED 493,075 -41,439 -7.8% 0.79% $58.4M 2024-07-17 $124.16
2024 Q1 REDUCED 534,514 -6,564 -1.2% 0.61% $50.4M 2024-04-26 $99.48
2023 Q4 REDUCED 541,078 -10,210 -1.9% 0.57% $43.0M 2024-01-24 $92.03
2023 Q3 REDUCED 551,288 -17,076 -3.0% 0.60% $41.5M 2023-10-16 $67.02
9 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

FAQ About RIVERBRIDGE PARTNERS LLC and GKOS

These are the practical questions this page is built to answer before you even open the full history table.

How long has RIVERBRIDGE PARTNERS LLC reported owning GKOS?

RIVERBRIDGE PARTNERS LLC reported GKOS across 10 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported GKOS position in RIVERBRIDGE PARTNERS LLC's portfolio?

The largest reported portfolio weight for GKOS was 1.13% in 2025 Q4.

What is the latest reported GKOS position on this page?

The most recent filing on this page is 2025 Q4, when RIVERBRIDGE PARTNERS LLC reported 535,169 shares, equal to 1.13% of portfolio, with an estimated market value of $60.4M.

What does the chart on this GKOS ownership page compare?

The chart compares RIVERBRIDGE PARTNERS LLC's quarterly GKOS portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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