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
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: Q1 2026 in Review

Rakuten Investment Management increased its Ciena (CIEN) stake by 250% in Q1 2026, buying an estimated $4.57M and bringing the position to 20,904 shares worth $7.63M. The position accounts for 0.02% of the portfolio, ranked #196.

Rakuten Investment Management first reported a position in CIEN in Q4 2025 and has held it in 2 quarters since. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

  • Rakuten Investment Management held 20,904 shares of Ciena worth $7.63M as of Q1 2026.
  • Rakuten Investment Management bought 14,929 Ciena shares in Q1 2026, an estimated $4.57M.
  • Ciena made up 0.02% of Rakuten Investment Management's portfolio in Q1 2026, its #196 holding.
  • Rakuten Investment Management first reported a position in Ciena in Q4 2025 and has held it in 2 quarters since.
  • 1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Rakuten Investment Management's 13F filing for Q1 2026, filed 12 May 2026.