CIEN icon

Ciena
CIEN

Overview Fund Activity

298 hedge funds and large institutions have $2.94B invested in Ciena in 2015 Q4 according to their latest regulatory filings, with 60 funds opening new positions, 119 increasing their positions, 80 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
298
Holders Change
-1
Holders Change %
-0.33%
% of All Funds
7.83%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.03%
New
60
Increased
119
Reduced
80
Closed
55
Calls
$99.2M
Puts
$73.4M
Net Calls
+$25.9M
Net Calls Change
+$7.05M

Top Buyers

1
Alyeska Investment Group
Alyeska Investment Group
Illinois
$52.7M
2
Westfield Capital Management
Westfield Capital Management
Massachusetts
$40.9M
3
AllianceBernstein
AllianceBernstein
Tennessee
$113M
4
Parnassus Investments
Parnassus Investments
California
$101M
5
Renaissance Technologies
Renaissance Technologies
New York
$41.3M

Top Sellers

1
SFM
Systematic Financial Management
New Jersey
$1.6M
2
Millennium Management
Millennium Management
New York
$0
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$94M
4
ZA
Zazove Associates
Nevada
$0
5
BPGAM
BTG Pactual Global Asset Management
Bermuda
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
SFP
301
Santa Fe Partners
New Mexico
– -$3.29M -158,853 Closed
HI
302
HBK Investments
Texas
– -$3.12M -150,742 Closed
RSCM
303
Rail-Splitter Capital Management
Illinois
– -$3.09M -148,867 Closed
AL
304
Airain Ltd
Guernsey
– -$2.27M -109,316 Closed
EI
305
EAM Investors
California
– -$2.17M -104,606 Closed
GCP
306
GSA Capital Partners
United Kingdom
– -$2.1M -101,223 Closed
NIT
307
NumerixS Investment Technologies
British Columbia, Canada
– -$2.02M -97,362 Closed
TC
308
TFS Capital
Pennsylvania
– -$1.94M -93,370 Closed
Acadian Asset Management
309
Acadian Asset Management
Massachusetts
– -$1.9M -91,681 Closed
NI
310
Numeric Investors
Massachusetts
– -$1.27M -61,300 Closed
JT
311
Jump Trading
Illinois
– -$2.18M -59,213 Closed
QIM
312
Quantitative Investment Management
Virginia
– -$1.08M -52,300 Closed
RCM
313
Rotella Capital Management
Washington
– -$989K -47,754 Closed
DTL
314
Dynamic Technology Lab
Singapore
– -$934K -45,069 Closed
OAM
315
Oxford Asset Management
United Kingdom
– -$920K -44,389 Closed
SSG
316
Summit Securities Group
New York
– -$848K -40,908 Closed
AH
317
Achievement Holdings
Illinois
– -$833K -40,200 Closed
TH
318
Timber Hill
Connecticut
– -$804K -38,792 Closed
Calamos Advisors
319
Calamos Advisors
Illinois
– -$723K -34,875 Closed
EEG
320
E.E. Geduld
– -$622K -30,000 Closed
PG
321
PEAK6 Group
Illinois
– -$429K -20,719 Closed
BA
322
Bridgewater Associates
Connecticut
– -$403K -19,431 Closed
AIM
323
Assured Investment Management
New York
– -$367K -17,708 Closed
Jane Street
324
Jane Street
New York
– -$358K -17,259 Closed
Two Sigma Investments
325
Two Sigma Investments
New York
– -$275K -13,256 Closed
10 11 12
13
14