IMC Chicago’s Ciena CIEN Stock Holding History

IMC Chicago’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	$1.31M	Buy	+2,663	New	+$1.36M	﹤0.01%	3519
2026 Q1	–	Sell	-10,684	Closed	-$3.27M	–	5730
2025 Q4	$2.5M	Buy	10,684 +184	+2%	+$35.7K	﹤0.01%	2241
2025 Q3	$1.53M	Buy	+10,500	New	+$1.07M	﹤0.01%	2423
2024 Q3	–	Sell	-31,625	Closed	-$1.67M	–	2796
2024 Q2	$1.52M	Buy	+31,625	New	+$1.5M	﹤0.01%	1732
2024 Q1	–	Sell	-18,213	Closed	-$961K	–	2355
2023 Q4	$820K	Buy	18,213 +6,457	+55%	+$285K	﹤0.01%	1492
2023 Q3	$556K	Sell	11,756 -5,415	-32%	-$239K	﹤0.01%	1401
2023 Q2	$730K	Buy	+17,171	New	+$782K	﹤0.01%	1124
2021 Q3	–	Sell	-17,025	Closed	-$946K	–	1200
2021 Q2	$969K	Buy	+17,025	New	+$938K	﹤0.01%	921
2020 Q4	–	Sell	-18,503	Closed	-$822K	–	1046
2020 Q3	$734K	Buy	+18,503	New	+$974K	﹤0.01%	791
2020 Q2	–	Sell	-18,870	Closed	-$938K	–	889
2020 Q1	$751K	Buy	+18,870	New	+$774K	﹤0.01%	685

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

IMC Chicago's CIEN Position: Q2 2026 in Review

IMC Chicago opened a new position in Ciena (CIEN) in Q2 2026: 2,663 shares worth $1.31M. The stake represents ﹤0.01% of the portfolio and ranks #3519 among its holdings. This is a return to the name: IMC Chicago previously reported a position in CIEN as recently as Q4 2025.

IMC Chicago first reported a position in CIEN in Q1 2020 and has held it in 10 quarters since. The position peaked at $2.5M in Q4 2025. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

IMC Chicago held 2,663 shares of Ciena worth $1.31M as of Q2 2026.
Ciena was a new IMC Chicago position in Q2 2026.
Ciena made up ﹤0.01% of IMC Chicago's portfolio in Q2 2026, its #3519 holding.
IMC Chicago first reported a position in Ciena in Q1 2020 and has held it in 10 quarters since.
IMC Chicago's Ciena position peaked at $2.5M in Q4 2025.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.