State of Wisconsin Investment Board’s Ciena CIEN Stock Holding History

State of Wisconsin Investment Board’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 Q1	$37.4M	Buy	96,326 +6,292	+7%	+$1.92M	0.09%	206
2025 Q4	$21.1M	Sell	90,034 -5,367	-6%	-$1.04M	0.05%	341
2025 Q3	$13.9M	Sell	95,401 -28,950	-23%	-$2.95M	0.03%	483
2025 Q2	$10.1M	Sell	124,351 -13,436	-10%	-$964K	0.02%	634
2025 Q1	$8.33M	Buy	137,787 +9,471	+7%	+$749K	0.02%	713
2024 Q4	$10.9M	Sell	128,316 -10,120	-7%	-$726K	0.03%	595
2024 Q3	$8.53M	Sell	138,436 -7,841	-5%	-$413K	0.02%	728
2024 Q2	$7.05M	Buy	146,277 +11,915	+9%	+$565K	0.02%	782
2024 Q1	$6.64M	Sell	134,362 -13,351	-9%	-$704K	0.02%	847
2023 Q4	$6.65M	Buy	147,713 +6,697	+5%	+$295K	0.02%	850
2023 Q3	$6.66M	Sell	141,016 -8,082	-5%	-$356K	0.02%	763
2023 Q2	$6.34M	Sell	149,098 -4,267	-3%	-$194K	0.02%	838
2023 Q1	$8.05M	Sell	153,365 -14,098	-8%	-$704K	0.02%	699
2022 Q4	$8.54M	Sell	167,463 -9,534	-5%	-$431K	0.03%	649
2022 Q3	$7.16M	Sell	176,997 -9,887	-5%	-$475K	0.02%	731
2022 Q2	$8.54M	Buy	186,884 +27,050	+17%	+$1.4M	0.02%	711
2022 Q1	$9.69M	Buy	159,834 +141,080	+752%	+$9.23M	0.02%	799
2021 Q4	$1.44M	Sell	18,754 -570	-3%	-$35.2K	﹤0.01%	1350
2021 Q3	$992K	Buy	19,324 +907	+5%	+$50.4K	﹤0.01%	1451
2021 Q2	$1.05M	Sell	18,417 -970	-5%	-$53.5K	﹤0.01%	1436
2021 Q1	$1.06M	Sell	19,387 -50,524	-72%	-$2.72M	﹤0.01%	1348
2020 Q4	$3.69M	Sell	69,911 -92,330	-57%	-$4.1M	0.01%	1080
2020 Q3	$6.44M	Sell	162,241 -34,710	-18%	-$1.83M	0.02%	843
2020 Q2	$10.7M	Sell	196,951 -62,160	-24%	-$3.09M	0.03%	568
2020 Q1	$10.3M	Sell	259,111 -19,780	-7%	-$812K	0.03%	498
2019 Q4	$11.9M	Sell	278,891 -73,600	-21%	-$2.8M	0.03%	593
2019 Q3	$13.8M	Sell	352,491 -165	-0%	-$6.92K	0.04%	488
2019 Q2	$14.5M	Buy	352,656 +15,406	+5%	+$593K	0.04%	476
2019 Q1	$12.6M	Buy	337,250 +26,250	+8%	+$1.02M	0.04%	526
2018 Q4	$10.5M	Sell	311,000 -11,000	-3%	-$349K	0.03%	504
2018 Q3	$10.1M	Buy	322,000 +7,000	+2%	+$196K	0.03%	634
2018 Q2	$8.35M	Hold	315,000	–	–	0.02%	724
2018 Q1	$8.16M	Hold	315,000	–	–	0.02%	716
2017 Q4	$6.59M	Buy	315,000 +22,700	+8%	+$481K	0.02%	785
2017 Q3	$6.42M	Buy	292,300 +20,000	+7%	+$479K	0.02%	773
2017 Q2	$6.81M	Sell	272,300 -127,740	-32%	-$3.06M	0.02%	726
2017 Q1	$9.45M	Buy	400,040 +15,045	+4%	+$369K	0.04%	535
2016 Q4	$9.4M	Buy	384,995 +64,995	+20%	+$1.42M	0.04%	494
2016 Q3	$6.98M	Hold	320,000	–	–	0.03%	660
2016 Q2	$6M	Buy	320,000 +20,000	+7%	+$362K	0.02%	681
2016 Q1	$5.71M	Hold	300,000	–	–	0.02%	716
2015 Q4	$6.21M	Buy	300,000 +20,000	+7%	+$459K	0.02%	689
2015 Q3	$5.8M	Sell	280,000 -7,947	-3%	-$185K	0.02%	713
2015 Q2	$6.82M	Hold	287,947	–	–	0.02%	710
2015 Q1	$5.56M	Buy	287,947 +58,947	+26%	+$1.17M	0.02%	790
2014 Q4	$4.45M	Sell	229,000 -51,000	-18%	-$852K	0.02%	867
2014 Q3	$4.68M	Buy	+280,000	New	+$5.49M	0.02%	827

Other funds holding CIEN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

State of Wisconsin Investment Board's CIEN Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its Ciena (CIEN) stake by 7% in Q1 2026, buying an estimated $1.92M and bringing the position to 96,326 shares worth $37.4M. The position accounts for 0.09% of the portfolio, ranked #206.

State of Wisconsin Investment Board first reported a position in CIEN in Q3 2014 and has held it in 47 quarters since. 1,081 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

State of Wisconsin Investment Board held 96,326 shares of Ciena worth $37.4M as of Q1 2026.
State of Wisconsin Investment Board bought 6,292 Ciena shares in Q1 2026, an estimated $1.92M.
Ciena made up 0.09% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #206 holding.
State of Wisconsin Investment Board first reported a position in Ciena in Q3 2014 and has held it in 47 quarters since.
1,081 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.