Select Equity Group’s Ciena CIEN Stock Holding History

Select Equity Group’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	–	Sell	-2,608	Closed	-$1.01M	–	162
2026 Q1	$1.01M	Sell	2,608 -12,490	-83%	-$3.82M	0.01%	170
2025 Q4	$3.53M	Sell	15,098 -68,440	-82%	-$13.3M	0.02%	173
2025 Q3	$12.2M	Buy	83,538 +13,665	+20%	+$1.39M	0.05%	129
2025 Q2	$5.68M	Sell	69,873 -2,069	-3%	-$148K	0.02%	136
2025 Q1	$4.35M	Buy	+71,942	New	+$5.69M	0.02%	135

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

Select Equity Group's CIEN Position: Q2 2026 in Review

Select Equity Group sold out of Ciena (CIEN) in Q2 2026, closing a stake of 2,608 shares — an estimated $1.01M sold.

Select Equity Group first reported a position in CIEN in Q1 2025 and held it in 5 quarters. The position peaked at $12.2M in Q3 2025. 1,217 funds tracked by Wall St. Rank hold CIEN as of Q2 2026.

Select Equity Group reported no remaining Ciena position as of Q2 2026 after selling out during the quarter.
Select Equity Group sold 2,608 Ciena shares in Q2 2026, an estimated $1.01M.
Select Equity Group first reported a position in Ciena in Q1 2025 and held it in 5 quarters.
Select Equity Group's Ciena position peaked at $12.2M in Q3 2025.
1,217 funds tracked by Wall St. Rank held Ciena as of Q2 2026.

Based on Select Equity Group's 13F filing for Q2 2026, filed 14 Aug 2026.