Ciena Corp (CIEN)

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Hedge Fund Holdings
Filing Period:
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No. Hedge Fund Shares Value Activity % Port
1.
Arrowstreet Capital

Peter Rathjens, Bruce Clarke And John Campbell

2,236,835 $523,128,601 +96% 0.31%
2. 1,656,172 $387,328,946 -17% 4.41%
3. 1,428,230 $334,020,150 +2% 4.08%
4. 1,412,560 $330,355,301 -6% 0.17%
5.
Polar Capital

Brian Ashford-Russell And Tim Woolley

1,289,427 $301,558,292 -12% 1.17%