William Blair Investment Management’s Glaukos GKOS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $116M | Sell |
1,073,819
-33,099
| -3% | -$3.72M | 0.38% | 72 |
|
|
2025
Q4 | $125M | Buy |
1,106,918
+13,174
| +1% | +$1.26M | 0.35% | 77 |
|
|
2025
Q3 | $89.2M | Sell |
1,093,744
-42,351
| -4% | -$3.89M | 0.23% | 114 |
|
|
2025
Q2 | $117M | Buy |
1,136,095
+390,805
| +52% | +$36.7M | 0.31% | 87 |
|
|
2025
Q1 | $73.4M | Sell |
745,290
-64,299
| -8% | -$8.58M | 0.21% | 121 |
|
|
2024
Q4 | $121M | Buy |
+809,589
| New | +$112M | 0.3% | 101 |
|
|
2020
Q1 | – | Sell |
-1,976,525
| Closed | -$108M | – | 358 |
|
|
2019
Q4 | $108M | Sell |
1,976,525
-416,534
| -17% | -$25.3M | 0.43% | 79 |
|
|
2019
Q3 | $150M | Sell |
2,393,059
-19,963
| -0.8% | -$1.41M | 0.64% | 51 |
|
|
2019
Q2 | $182M | Sell |
2,413,022
-52,410
| -2% | -$3.76M | 0.76% | 40 |
|
|
2019
Q1 | $193M | Buy |
2,465,432
+9,401
| +0.4% | +$628K | 0.81% | 34 |
|
|
2018
Q4 | $138M | Buy |
2,456,031
+13,089
| +0.5% | +$787K | 0.69% | 42 |
|
|
2018
Q3 | $159M | Sell |
2,442,942
-248,266
| -9% | -$12.2M | 0.55% | 57 |
|
|
2018
Q2 | $109M | Sell |
2,691,208
-77,837
| -3% | -$2.77M | 0.41% | 78 |
|
|
2018
Q1 | $85.4M | Buy |
2,769,045
+789,085
| +40% | +$23.9M | 0.33% | 97 |
|
|
2017
Q4 | $50.8M | Buy |
1,979,960
+137,969
| +7% | +$4.11M | 0.2% | 142 |
|
|
2017
Q3 | $60.8M | Sell |
1,841,991
-322,773
| -15% | -$12.3M | 0.22% | 131 |
|
|
2017
Q2 | $89.8M | Buy |
2,164,764
+100,320
| +5% | +$4.32M | 0.33% | 101 |
|
|
2017
Q1 | $106M | Buy |
2,064,444
+104,670
| +5% | +$4.56M | 0.4% | 80 |
|
|
2016
Q4 | $67.2M | Buy |
1,959,774
+883,914
| +82% | +$30.3M | 0.27% | 121 |
|
|
2016
Q3 | $40.6M | Buy |
1,075,860
+937,703
| +679% | +$31M | 0.16% | 165 |
|
|
2016
Q2 | $4.03M | Buy |
+138,157
| New | +$3.2M | 0.02% | 369 |
|
Other funds holding GKOS
VPM
VCM
