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Ciena
CIEN

Name Holding Trade Value Shares
Change 		Change in
Stake
SCM
301
Stevens Capital Management
Pennsylvania
– -$4.33M -209,113 Closed
SFP
302
Santa Fe Partners
New Mexico
– -$3.29M -158,853 Closed
HI
303
HBK Investments
Texas
– -$3.12M -150,742 Closed
RSCM
304
Rail-Splitter Capital Management
Illinois
– -$3.08M -148,867 Closed
AL
305
Airain Ltd
Guernsey
– -$2.27M -109,316 Closed
EI
306
EAM Investors
California
– -$2.17M -104,606 Closed
GCP
307
GSA Capital Partners
United Kingdom
– -$2.1M -101,223 Closed
NIT
308
NumerixS Investment Technologies
British Columbia, Canada
– -$2.02M -97,362 Closed
TC
309
TFS Capital
Pennsylvania
– -$1.94M -93,370 Closed
Acadian Asset Management
310
Acadian Asset Management
Massachusetts
– -$1.9M -91,681 Closed
NI
311
Numeric Investors
Massachusetts
– -$1.27M -61,300 Closed
JT
312
Jump Trading
Illinois
– -$1.36M -59,213 Closed
QIM
313
Quantitative Investment Management
Virginia
– -$1.08M -52,300 Closed
RCM
314
Rotella Capital Management
Washington
– -$989K -47,754 Closed
DTL
315
Dynamic Technology Lab
Singapore
– -$934K -45,069 Closed
OAM
316
Oxford Asset Management
United Kingdom
– -$920K -44,389 Closed
SSG
317
Summit Securities Group
New York
– -$848K -40,908 Closed
AH
318
Achievement Holdings
Illinois
– -$833K -40,200 Closed
TH
319
Timber Hill
Connecticut
– -$891K -38,792 Closed
Calamos Advisors
320
Calamos Advisors
Illinois
– -$723K -34,875 Closed
EEG
321
E.E. Geduld
– -$622K -30,000 Closed
PG
322
PEAK6 Group
Illinois
– -$476K -20,719 Closed
BA
323
Bridgewater Associates
Connecticut
– -$403K -19,431 Closed
AIM
324
Assured Investment Management
New York
– -$367K -17,708 Closed
Jane Street
325
Jane Street
New York
– -$396K -17,259 Closed
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