Hudson Bay Capital Management’s Ciena CIEN Stock Holding History

Hudson Bay Capital Management’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	$451K	Buy	+920	New	+$469K	﹤0.01%	1020
2026 Q1	–	Sell	-1,170	Closed	-$274K	–	1428
2025 Q4	$274K	Buy	+1,170	New	+$227K	﹤0.01%	934
2019 Q1	–	Sell	-20,300	Closed	-$788K	–	713
2018 Q4	$688K	Buy	+20,300	New	+$643K	0.01%	673
2017 Q3	–	Sell	-30,000	Closed	-$751K	–	409
2017 Q2	$751K	Buy	+30,000	New	+$719K	0.02%	434

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 $3.38T AUM 44.17% 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

Hudson Bay Capital Management's CIEN Position: Q2 2026 in Review

Hudson Bay Capital Management opened a new position in Ciena (CIEN) in Q2 2026: 920 shares worth $451K. The stake represents ﹤0.01% of the portfolio and ranks #1020 among its holdings. This is a return to the name: Hudson Bay Capital Management previously reported a position in CIEN as recently as Q4 2025.

Hudson Bay Capital Management first reported a position in CIEN in Q2 2017 and has held it in 4 quarters since. The position peaked at $751K in Q2 2017. 1,227 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Hudson Bay Capital Management held 920 shares of Ciena worth $451K as of Q2 2026.
Ciena was a new Hudson Bay Capital Management position in Q2 2026.
Ciena made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q2 2026, its #1020 holding.
Hudson Bay Capital Management first reported a position in Ciena in Q2 2017 and has held it in 4 quarters since.
Hudson Bay Capital Management's Ciena position peaked at $751K in Q2 2017.
1,227 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.