BAMCO Inc

BAMCO Inc’s Glaukos GKOS Stock Holding History

BAMCO Inc’s Portfolio GKOS Stock Details GKOS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-20,500	Closed	-$2.02M	–	321
2025 Q1	$2.02M	Buy	20,500 +500	+3%	+$66.7K	0.01%	281
2024 Q4	$3M	Hold	20,000	–	–	0.01%	266
2024 Q3	$2.61M	Hold	20,000	–	–	0.01%	285
2024 Q2	$2.37M	Buy	+20,000	New	+$2.12M	0.01%	285
2017 Q4	–	Sell	-2,194,059	Closed	-$72.4M	–	320
2017 Q3	$72.4M	Buy	2,194,059 +1,121,813	+105%	+$42.6M	0.34%	77
2017 Q2	$44.5M	Buy	1,072,246 +462,019	+76%	+$19.9M	0.23%	110
2017 Q1	$31.3M	Buy	610,227 +79,862	+15%	+$3.48M	0.17%	132
2016 Q4	$18.2M	Buy	530,365 +415,104	+360%	+$14.2M	0.1%	166
2016 Q3	$4.35M	Buy	115,261 +91,336	+382%	+$3.02M	0.02%	217
2016 Q2	$698K	Hold	23,925	–	–	﹤0.01%	272
2016 Q1	$403K	Sell	23,925 -17,427	-42%	-$302K	﹤0.01%	271
2015 Q4	$1.02M	Sell	41,352 -35,863	-46%	-$823K	﹤0.01%	274
2015 Q3	$1.87M	Sell	77,215 -15,385	-17%	-$463K	0.01%	273
2015 Q2	$2.68M	Buy	+92,600	New	+$2.69M	0.01%	282

Other funds holding GKOS

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Wellington Management Group

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $431B AUM 30.22% 1-Year Est. Return

Primecap Management

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AllianceBernstein

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Westfield Capital Management

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return