Rakuten Investment Management’s Ciena CIEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$11.1M Buy
23,127
+2,223
+11% +$1.13M 0.03% 179
2026
Q1
$7.63M Buy
20,904
+14,929
+250% +$4.57M 0.02% 196
2025
Q4
$1.43M Buy
+5,975
New +$1.16M ﹤0.01% 479

Other funds holding CIEN

Rakuten Investment Management's CIEN Position: Q2 2026 in Review

Rakuten Investment Management increased its Ciena (CIEN) stake by 11% in Q2 2026, buying an estimated $1.13M and bringing the position to 23,127 shares worth $11.1M. The position accounts for 0.03% of the portfolio, ranked #179.

Rakuten Investment Management first reported a position in CIEN in Q4 2025 and has held it in 3 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

  • Rakuten Investment Management held 23,127 shares of Ciena worth $11.1M as of Q2 2026.
  • Rakuten Investment Management bought 2,223 Ciena shares in Q2 2026, an estimated $1.13M.
  • Ciena made up 0.03% of Rakuten Investment Management's portfolio in Q2 2026, its #179 holding.
  • Rakuten Investment Management first reported a position in Ciena in Q4 2025 and has held it in 3 quarters since.
  • 1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Rakuten Investment Management's 13F filing for Q2 2026, filed 18 Aug 2026.