CX Institutional’s Ciena CIEN Stock Holding History

CX Institutional’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 Q3	$19K	Sell	53 -675	-93%	-$260K	﹤0.01%	1241
2026 Q2	$357K	Buy	728 +698	+2,327%	+$356K	0.01%	570
2026 Q1	$12K	Buy	30 +26	+650%	+$7.95K	﹤0.01%	1243
2025 Q4	$1K	Buy	+4	New	+$776	﹤0.01%	1438
2022 Q4	–	Sell	-5,587	Closed	-$226K	–	508
2022 Q3	$226K	Buy	5,587 +2,064	+59%	+$99.2K	0.02%	433
2022 Q2	$161K	Buy	+3,523	New	+$183K	0.01%	469

Other funds holding CIEN

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return

AHT

Amanah Holdings Trust London $1.79B AUM 618.88% 1-Year Est. Return

North Growth Management Vancouver, British Columbia, Canada $743M AUM 74.29% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return

Fjarde Ap-fonden Stockholm, Sweden $19.4B AUM 31.69% 1-Year Est. Return

LMCG Investments Boston, Massachusetts $1.86B AUM 40.01% 1-Year Est. Return

ABN AMRO Investment Solutions Paris Cedex 008 $13.2B AUM 30.55% 1-Year Est. Return

MN Services Vermogensbeheer The Hague, Netherlands $13.4B AUM 37.34% 1-Year Est. Return

CX Institutional's CIEN Position: Q3 2026 in Review

CX Institutional reduced its Ciena (CIEN) stake by 93% in Q3 2026, selling an estimated $260K and leaving 53 shares worth $19K. The position accounts for ﹤0.01% of the portfolio, ranked #1241.

CX Institutional first reported a position in CIEN in Q2 2022 and has held it in 6 quarters since. The position peaked at $357K in Q2 2026. 249 funds tracked by Wall St. Rank hold CIEN as of Q3 2026.

CX Institutional held 53 shares of Ciena worth $19K as of Q3 2026.
CX Institutional sold 675 Ciena shares in Q3 2026, an estimated $260K.
Ciena made up ﹤0.01% of CX Institutional's portfolio in Q3 2026, its #1241 holding.
CX Institutional first reported a position in Ciena in Q2 2022 and has held it in 6 quarters since.
CX Institutional's Ciena position peaked at $357K in Q2 2026.
249 funds tracked by Wall St. Rank held Ciena as of Q3 2026.

Based on CX Institutional's 13F filing for Q3 2026, filed 2 Oct 2026.