Fred Alger 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
$12.3M Sell
113,943
-211,597
-65% -$23.8M 0.05% 149
2025
Q4
$36.8M Buy
325,540
+8,736
+3% +$835K 0.14% 79
2025
Q3
$25.8M Sell
316,804
-109,170
-26% -$10M 0.1% 104
2025
Q2
$44M Sell
425,974
-179,716
-30% -$16.9M 0.2% 66
2025
Q1
$59.6M Sell
605,690
-159,268
-21% -$21.2M 0.34% 45
2024
Q4
$115M Sell
764,958
-312,016
-29% -$43M 0.55% 31
2024
Q3
$140M Sell
1,076,974
-201,749
-16% -$25.1M 0.68% 31
2024
Q2
$151M Buy
1,278,723
+47,308
+4% +$5.02M 0.74% 26
2024
Q1
$116M Sell
1,231,415
-413,666
-25% -$37M 0.58% 36
2023
Q4
$131M Sell
1,645,081
-135,609
-8% -$9.25M 0.71% 29
2023
Q3
$134M Buy
1,780,690
+150,102
+9% +$11.2M 0.77% 24
2023
Q2
$116M Buy
1,630,588
+109,801
+7% +$6.3M 0.59% 39
2023
Q1
$76.2M Buy
1,520,787
+194,028
+15% +$9.42M 0.41% 74
2022
Q4
$58M Sell
1,326,759
-75,351
-5% -$3.72M 0.31% 93
2022
Q3
$74.6M Buy
1,402,110
+358,360
+34% +$18.5M 0.38% 72
2022
Q2
$47.4M Buy
1,043,750
+39,959
+4% +$1.9M 0.22% 120
2022
Q1
$58M Buy
1,003,791
+38,088
+4% +$2.02M 0.19% 134
2021
Q4
$42.9M Buy
965,703
+348,954
+57% +$16.1M 0.11% 166
2021
Q3
$29.7M Sell
616,749
-91,938
-13% -$5.1M 0.07% 184
2021
Q2
$60.1M Buy
708,687
+8,758
+1% +$719K 0.14% 157
2021
Q1
$58.7M Buy
699,929
+251,678
+56% +$22.1M 0.15% 149
2020
Q4
$33.7M Sell
448,251
-340,536
-43% -$21.5M 0.09% 169
2020
Q3
$39.1M Sell
788,787
-399,651
-34% -$17.6M 0.11% 140
2020
Q2
$45.7M Sell
1,188,438
-1,671,734
-58% -$62.2M 0.15% 132
2020
Q1
$88.3M Buy
2,860,172
+624,749
+28% +$32.1M 0.39% 62
2019
Q4
$122M Buy
2,235,423
+133,232
+6% +$8.11M 0.45% 59
2019
Q3
$131M Buy
2,102,191
+1,134,638
+117% +$79.9M 0.52% 49
2019
Q2
$73M Buy
967,553
+248,679
+35% +$17.8M 0.28% 89
2019
Q1
$56.3M Buy
718,874
+606,227
+538% +$40.5M 0.22% 103
2018
Q4
$6.33M Sell
112,647
-57,158
-34% -$3.44M 0.03% 193
2018
Q3
$11M Buy
169,805
+98,225
+137% +$4.82M 0.04% 179
2018
Q2
$2.91M Buy
+71,580
New +$2.55M 0.01% 260
2017
Q3
Sell
-21,000
Closed -$871K 527
2017
Q2
$871K Sell
21,000
-7,000
-25% -$302K ﹤0.01% 339
2017
Q1
$1.44M Buy
+28,000
New +$1.22M 0.01% 310
2016
Q1
Sell
-22,050
Closed -$544K 569
2015
Q4
$544K Buy
22,050
+1,000
+5% +$22.9K ﹤0.01% 427
2015
Q3
$509K Sell
21,050
-87,185
-81% -$2.62M ﹤0.01% 431
2015
Q2
$3.14M Buy
+108,235
New +$3.14M 0.01% 352

Other funds holding GKOS

Fred Alger Management's GKOS Position: Q1 2026 in Review

Fred Alger Management reduced its Glaukos (GKOS) stake by 65% in Q1 2026, selling an estimated $23.8M and leaving 113,943 shares worth $12.3M. The position accounts for 0.05% of the portfolio, ranked #149.

Fred Alger Management first reported a position in GKOS in Q2 2015 and has held it in 37 quarters since. The position peaked at $151M in Q2 2024. 336 funds tracked by Wall St. Rank hold GKOS as of Q1 2026.

  • Fred Alger Management held 113,943 shares of Glaukos worth $12.3M as of Q1 2026.
  • Fred Alger Management sold 211,597 Glaukos shares in Q1 2026, an estimated $23.8M.
  • Glaukos made up 0.05% of Fred Alger Management's portfolio in Q1 2026, its #149 holding.
  • Fred Alger Management first reported a position in Glaukos in Q2 2015 and has held it in 37 quarters since.
  • Fred Alger Management's Glaukos position peaked at $151M in Q2 2024.
  • 336 funds tracked by Wall St. Rank held Glaukos as of Q1 2026.

Based on Fred Alger Management's 13F filing for Q1 2026, filed 15 May 2026.