Alta Advisers’s Ciena CIEN Stock Holding History

Alta Advisers’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	$254K	Hold	518	–	–	0.06%	182
2026 Q1	$201K	Buy	+518	New	+$158K	0.07%	202

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

Alta Advisers's CIEN Position: Q2 2026 in Review

Alta Advisers held its Ciena (CIEN) position steady in Q2 2026 at 518 shares worth $254K. The position accounts for 0.06% of the portfolio, ranked #182.

Alta Advisers first reported a position in CIEN in Q1 2026 and has held it in 2 quarters since. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Alta Advisers held 518 shares of Ciena worth $254K as of Q2 2026.
Alta Advisers left its Ciena share count unchanged in Q2 2026.
Ciena made up 0.06% of Alta Advisers's portfolio in Q2 2026, its #182 holding.
Alta Advisers first reported a position in Ciena in Q1 2026 and has held it in 2 quarters since.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Alta Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.