Swiss Re’s Ciena CIEN Stock Holding History

Swiss Re’s Portfolio CIEN Stock Details CIEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$124K	Buy	253 +210	+488%	+$107K	0.01%	196
2026 Q1	$16.7K	Hold	43	–	–	0.1%	151
2025 Q4	$10.1K	Buy	+43	New	+$8.34K	﹤0.01%	224

Other funds holding CIEN

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Swiss Re's CIEN Position: Q2 2026 in Review

Swiss Re increased its Ciena (CIEN) stake by 488% in Q2 2026, buying an estimated $107K and bringing the position to 253 shares worth $124K. The position accounts for 0.01% of the portfolio, ranked #196.

Swiss Re 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.

Swiss Re held 253 shares of Ciena worth $124K as of Q2 2026.
Swiss Re bought 210 Ciena shares in Q2 2026, an estimated $107K.
Ciena made up 0.01% of Swiss Re's portfolio in Q2 2026, its #196 holding.
Swiss Re 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 Swiss Re's 13F filing for Q2 2026, filed 11 Aug 2026.