Laurion Capital Management’s Ciena CIEN Stock Holding History

Laurion 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	$1.36M	Buy	+2,763	New	+$1.41M	0.03%	229
2022 Q2	–	Sell	-3,900	Closed	-$236K	–	511
2022 Q1	$236K	Buy	+3,900	New	+$255K	﹤0.01%	458
2017 Q4	–	Sell	-18,927	Closed	-$416K	–	1562
2017 Q3	$416K	Sell	18,927 -73,371	-79%	-$1.76M	﹤0.01%	1224
2017 Q2	$2.31M	Buy	+92,298	New	+$2.21M	0.01%	770
2017 Q1	–	Sell	-63,500	Closed	-$1.55M	–	1322
2016 Q4	$1.55M	Buy	+63,500	New	+$1.39M	0.01%	634
2015 Q4	–	Sell	-12,700	Closed	-$263K	–	895
2015 Q3	$263K	Sell	12,700 -3,400	-21%	-$79K	﹤0.01%	633
2015 Q2	$381K	Buy	+16,100	New	+$368K	﹤0.01%	503

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

Laurion Capital Management's CIEN Position: Q2 2026 in Review

Laurion Capital Management opened a new position in Ciena (CIEN) in Q2 2026: 2,763 shares worth $1.36M. The stake represents 0.03% of the portfolio and ranks #229 among its holdings. This is a return to the name: Laurion Capital Management previously reported a position in CIEN as recently as Q1 2022.

Laurion Capital Management first reported a position in CIEN in Q2 2015 and has held it in 7 quarters since. The position peaked at $2.31M in Q2 2017. 1,226 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Laurion Capital Management held 2,763 shares of Ciena worth $1.36M as of Q2 2026.
Ciena was a new Laurion Capital Management position in Q2 2026.
Ciena made up 0.03% of Laurion Capital Management's portfolio in Q2 2026, its #229 holding.
Laurion Capital Management first reported a position in Ciena in Q2 2015 and has held it in 7 quarters since.
Laurion Capital Management's Ciena position peaked at $2.31M in Q2 2017.
1,226 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

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