MARK SHEPTOFF FINANCIAL PLANNING, LLC - GLAUKOS CORP ownership

GLAUKOS CORP's ticker is GKOS and the CUSIP is 377322102. A total of 128 filers reported holding GLAUKOS CORP in Q3 2017. The put-call ratio across all filers is 1.80 and the average weighting 0.4%.

Quarter-by-quarter ownership
MARK SHEPTOFF FINANCIAL PLANNING, LLC ownership history of GLAUKOS CORP
ValueSharesWeighting
Q4 2017$44,000
+10.0%
1,700
+41.7%
0.03%
+7.4%
Q3 2017$40,000
-2.4%
1,200
+20.0%
0.03%
-3.6%
Q2 2017$41,0001,0000.03%
Other shareholders
GLAUKOS CORP shareholders Q3 2017
NameSharesValueWeighting ↓
Meritech Capital Associates III L.L.C. 1,229,597$50,991,00035.52%
INTERWEST VENTURE MANAGEMENT CO 1,018,362$42,231,00010.00%
OBERWEIS ASSET MANAGEMENT INC/ 208,930$8,664,0002.38%
Rhenman & Partners Asset Management AB 345,450$14,326,0002.06%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 894,551$37,097,0001.98%
NEXT CENTURY GROWTH INVESTORS LLC 420,548$17,440,0001.67%
Iguana Healthcare Management, LLC 60,000$2,488,0001.41%
SHAKER INVESTMENTS LLC/OH 44,225$1,834,0001.38%
Sandhill Capital Partners LLC 150,038$6,222,0001.32%
GILDER GAGNON HOWE & CO LLC 1,480,772$61,408,0000.91%
View complete list of GLAUKOS CORP shareholders