BAMCO Inc
GKOS icon

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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

BAMCO Inc's GKOS Position: Q2 2025 in Review

BAMCO Inc sold out of Glaukos (GKOS) in Q2 2025, closing a stake of 20,500 shares — an estimated $2.02M sold.

BAMCO Inc first reported a position in GKOS in Q2 2015 and held it in 14 quarters. The position peaked at $72.4M in Q3 2017. 297 funds tracked by Wall St. Rank hold GKOS as of Q2 2025.

  • BAMCO Inc reported no remaining Glaukos position as of Q2 2025 after selling out during the quarter.
  • BAMCO Inc sold 20,500 Glaukos shares in Q2 2025, an estimated $2.02M.
  • BAMCO Inc first reported a position in Glaukos in Q2 2015 and held it in 14 quarters.
  • BAMCO Inc's Glaukos position peaked at $72.4M in Q3 2017.
  • 297 funds tracked by Wall St. Rank held Glaukos as of Q2 2025.

Based on BAMCO Inc's 13F filing for Q2 2025, filed 14 Aug 2025.