Numerai’s Ciena CIEN Stock Holding History

Numerai’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 Q1	$875K	Sell	2,254 -838	-27%	-$256K	0.09%	374
2025 Q4	$723K	Buy	+3,092	New	+$600K	0.09%	321

Other funds holding CIEN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Numerai's CIEN Position: Q1 2026 in Review

Numerai reduced its Ciena (CIEN) stake by 27% in Q1 2026, selling an estimated $256K and leaving 2,254 shares worth $875K. The position accounts for 0.09% of the portfolio, ranked #374.

Numerai 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.

Numerai held 2,254 shares of Ciena worth $875K as of Q1 2026.
Numerai sold 838 Ciena shares in Q1 2026, an estimated $256K.
Ciena made up 0.09% of Numerai's portfolio in Q1 2026, its #374 holding.
Numerai 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 Numerai's 13F filing for Q1 2026, filed 15 May 2026.