No AI summary for this filing type
View Full Filing (SEC EDGAR)Glaukos CORP
$167.89+1.4%
+$1.7B
Net Activity
+21.25% total shares
Institutions Holding
368
Popularity Rank
#1690
Avg Weight
0.09%
Total Value
$8.8B
Market Cap
$9.6B
368 institutions currently hold GKOS, with 228 net buyers and 141 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
141
Net Buying Institutions
228
Top 5 by Value
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Across its top 20 institutional holders, GKOS's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 5/100, avg. turnover score 41/100).
GKOS ranks #1690 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
368 institutions disclose a position in GKOS, but none treat it as a major bet — even Braidwell LP, its most concentrated holder, allocates just 3.1% of its own portfolio to it.
Assenagon Asset Management S.A. has added to its GKOS position for two straight quarters, increasing it by $15.0M to reach $16.1M today.
State of Alaska, Department of Revenue has trimmed its GKOS position for two straight quarters, cutting it by $1.4M while still holding $1.6M.
GKOS is up 1.4% today, and institutions have been net buyers of $1.7B this quarter — today's price move and the underlying institutional flow are pointing the same direction.
GKOS reported a net loss of $188.0M over the trailing twelve months.
+$1.5B
Total Buy Value
$653.2M
Total Sell Value
228
Net Buyers
141
Net Sellers
GKOS
Q2 2026
Top 5 Institutional Movers
GKOS does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
8
Filings (90d)
$18.18M
Total Est. Value
101K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| Navratil Tomas | 2026-10-05 | $251K |
| Navratil Tomas | 2026-09-25 | $249K |
| Navratil Tomas | 2026-09-16 | $243K |
| Navratil Tomas | 2026-08-28 | $2.48M |
| Kliman Gilbert H | 2026-08-19 | $475K |
| Gilliam Joseph E | 2026-08-11 | $10.78M |
| Thurman Alex R. | 2026-08-07 | $3.60M |
| WEN LEANA | 2026-07-31 | $88K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
No Schedule 13D/13G filings for this ticker
2
Filings (14d)
No AI summary for this filing type
View Full Filing (SEC EDGAR)AI summary pending
View Full Filing (SEC EDGAR)377322102
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Access GKOS's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/GKOSCLI
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