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CIENCIEN
5 quarters

Position history for PEAK6 LLCPEAK6 LLC's holdings in CIENA CORP

Yes. Peak6 holds 44,570 shares of CIEN (Ciena), worth $21.9M, as of its Q2 2026 13F filing. It increased the position from 2,429 shares in Q1 2026. Peak6 has held CIEN since Q2 2025, across 5 quarterly 13F filings.

Current Value

$21.9M

Current Shares

44,570

Total Value Change

+$8.3M

Total Shares Change

-121,736

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
44,570
+1734.9%
$21.9M0.0%$490.56
46
2026-Q1
Decreased
2,429
-98.1%
$943,0110.0%$388.23
0
2025-Q4
Increased
129,494
+5401.0%
$30.3M0.1%$233.87
46
2025-Q3
Decreased
2,354
-98.6%
$342,9070.0%$145.67
0
2025-Q2
New
166,306
-
$13.5M0.0%$81.33
39

Other major holders of CIEN: FMR LLC, BlackRock, Inc., JPMORGAN CHASE & CO

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