GLAUKOS CORP

Ticker: GKOS CUSIP: 377322102 Class: EQTY

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q3 2021

Shares 22,700 Value ($000) $1,093 Avg Close $55.46 Range $46.32 - $86.35

Q1 2019

Shares 20,010 Value ($000) $1,568 Avg Close $66.77 Range $50.60 - $83.14

Q2 2017

Shares 15,300 Value ($000) $634 Avg Close $43.08 Range $36.51 - $52.48

Q1 2017

Shares 8,624 Value ($000) $442 Avg Close $43.59 Range $33.18 - $52.49

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	22,700	$1,093	$55.46	$46.32 - $86.35
Q1 2019	20,010	$1,568	$66.77	$50.60 - $83.14
Q2 2017	15,300	$634	$43.08	$36.51 - $52.48
Q1 2017	8,624	$442	$43.59	$33.18 - $52.49