California State Teachers Retirement System Glaukos Corp Transaction History

California State Teachers Retirement System

  • $94.5 Billion
  • Q3 2025

A detailed history of California State Teachers Retirement System transactions in Glaukos Corp stock. As of the latest transaction made, California State Teachers Retirement System holds 53,784 shares of GKOS stock, worth $4.84 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
53,784
Previous 50,854 5.76%
Holding current value
$4.84 Million
Previous $5.25 Million 16.49%
% of portfolio
0.0%
Previous 0.01%

Shares

35 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025
BUY
$79.92 - $106.55 $234,165 - $312,191
2,930 Added 5.76%
53,784 $4.39 Million
Q2 2025

Aug 14, 2025
BUY
$82.27 - $103.29 $34,635 - $43,485
421 Added 0.83%
50,854 $5.25 Million
Q1 2025

May 15, 2025
SELL
$96.6 - $161.22 $49,845 - $83,189
-516 Reduced 1.01%
50,433 $4.96 Million
Q4 2024

Feb 14, 2025
BUY
$126.42 - $152.67 $430,965 - $520,452
3,409 Added 7.17%
50,949 $7.64 Million
Q3 2024

Apr 04, 2025
SELL
$113.62 - $135.39 $387,330 - $461,544
-3,409 Reduced 6.69%
47,540 $6.19 Million
Q3 2024

Nov 14, 2024
SELL
$113.62 - $135.39 $153,841 - $183,318
-1,354 Reduced 2.77%
47,540 $6.19 Million
Q2 2024

Apr 08, 2025
SELL
$89.48 - $118.35 $183,881 - $243,209
-2,055 Reduced 4.03%
48,894 $5.79 Million
Q2 2024

Aug 14, 2024
BUY
$89.48 - $118.35 $217,973 - $288,300
2,436 Added 5.24%
48,894 $5.79 Million
Q1 2024

May 15, 2024
SELL
$76.4 - $96.33 $192,680 - $242,944
-2,522 Reduced 5.15%
46,458 $4.38 Million
Q4 2023

Feb 13, 2024
SELL
$59.53 - $85.11 $110,963 - $158,645
-1,864 Reduced 3.67%
48,980 $3.89 Million
Q3 2023

Nov 14, 2023
SELL
$69.23 - $79.09 $330,504 - $377,575
-4,774 Reduced 8.58%
50,844 $3.83 Million
Q2 2023

Aug 21, 2023
SELL
$45.44 - $71.21 $150,497 - $235,847
-3,312 Reduced 5.62%
55,618 $3.96 Million
Q1 2023

May 09, 2023
SELL
$43.88 - $52.48 $32,997 - $39,464
-752 Reduced 1.26%
58,930 $2.95 Million
Q4 2022

Feb 14, 2023
BUY
$40.82 - $57.75 $36,125 - $51,108
885 Added 1.51%
59,682 $2.61 Million
Q3 2022

Nov 18, 2022
SELL
$46.84 - $58.49 $49,697 - $62,057
-1,061 Reduced 1.77%
58,797 $3.13 Million
Q2 2022

Aug 15, 2022
BUY
$34.86 - $63.77 $16,697 - $30,545
479 Added 0.81%
59,858 $2.72 Million
Q1 2022

May 16, 2022
SELL
$44.33 - $57.82 $210,833 - $274,991
-4,756 Reduced 7.42%
59,379 $3.43 Million
Q4 2021

Feb 15, 2022
BUY
$40.27 - $56.99 $79,211 - $112,099
1,967 Added 3.16%
64,135 $2.85 Million
Q3 2021

Nov 15, 2021
BUY
$47.43 - $84.23 $10,956 - $19,457
231 Added 0.37%
62,168 $3 Million
Q2 2021

Aug 16, 2021
SELL
$73.06 - $97.7 $179,216 - $239,658
-2,453 Reduced 3.81%
61,937 $5.25 Million
Q1 2021

May 18, 2021
SELL
$70.43 - $97.42 $17,607 - $24,355
-250 Reduced 0.39%
64,390 $5.4 Million
Q4 2020

Feb 16, 2021
BUY
$48.9 - $75.26 $880 - $1,354
18 Added 0.03%
64,640 $4.87 Million
Q3 2020

Nov 17, 2020
BUY
$37.23 - $50.97 $32,799 - $44,904
881 Added 1.38%
64,622 $3.2 Million
Q2 2020

Aug 17, 2020
BUY
$28.78 - $46.83 $132,675 - $215,886
4,610 Added 7.8%
63,741 $2.45 Million
Q1 2020

May 13, 2020
SELL
$25.53 - $70.14 $7,480 - $20,551
-293 Reduced 0.49%
59,131 $1.83 Million
Q4 2019

Feb 14, 2020
BUY
$54.18 - $65.64 $174,784 - $211,754
3,226 Added 5.74%
59,424 $3.24 Million
Q3 2019

Nov 15, 2019
BUY
$58.58 - $83.91 $77,384 - $110,845
1,321 Added 2.41%
56,198 $3.51 Million
Q2 2019

Aug 14, 2019
BUY
$63.59 - $78.71 $172,010 - $212,910
2,705 Added 5.18%
54,877 $4.14 Million
Q1 2019

May 09, 2019
SELL
$50.75 - $80.54 $58,870 - $93,426
-1,160 Reduced 2.18%
52,172 $4.09 Million
Q4 2018

Feb 13, 2019
BUY
$52.18 - $67.93 $148,713 - $193,600
2,850 Added 5.65%
53,332 $3 Million
Q3 2018

Nov 14, 2018
SELL
$38.13 - $68.37 $1,601 - $2,871
-42 Reduced 0.08%
50,482 $3.28 Million
Q2 2018

Aug 14, 2018
BUY
$27.62 - $44.51 $193,063 - $311,124
6,990 Added 16.06%
50,524 $2.05 Million
Q1 2018

May 15, 2018
SELL
$26.05 - $34.5 $42,174 - $55,855
-1,619 Reduced 3.59%
43,534 $1.34 Million
Q4 2017

Feb 14, 2018
SELL
$24.5 - $36.01 $15,459 - $22,722
-631 Reduced 1.38%
45,153 $1.16 Million
Q3 2017

Nov 13, 2017
BUY
$31.26 - $42.03 $1.43 Million - $1.92 Million
45,784
45,784 $1.51 Million

Others Institutions Holding GKOS

# of Institutions
351
Shares Held
55.4M
Call Options Held
163K
Put Options Held
458K
View Full List

About GLAUKOS Corp

GKOS Quotes by TradingView
  • Ticker GKOS
  • Exchange NYSE
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 47,596,900
  • Market Cap $4.29B
  • Description
  • Glaukos Corporation, an ophthalmic medical technology and pharmaceutical company, focuses on the development of novel therapies for the treatment of glaucoma, corneal disorders, and retinal diseases. It offers iStent, iStent inject, iStent inject W micro-bypass stents that enhance aqueous humor outflow inserted in cataract surgery to treat mild-...
More about GKOS
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