Canada Pension Plan Investment Board’s Ciena CIEN Stock Holding History

Canada Pension Plan 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	$35.8M	Buy	92,200 +65,700	+248%	+$20.1M	0.02%	402
2025 Q4	$6.2M	Sell	26,500 -42,100	-61%	-$8.17M	﹤0.01%	739
2025 Q3	$9.99M	Buy	68,600 +63,800	+1,329%	+$6.5M	0.01%	640
2025 Q2	$390K	Buy	4,800 +3,300	+220%	+$237K	﹤0.01%	1043
2025 Q1	$90.6K	Buy	+1,500	New	+$119K	﹤0.01%	1148
2024 Q2	–	Sell	-23,600	Closed	-$1.17M	–	1382
2024 Q1	$1.17M	Sell	23,600 -17,500	-43%	-$923K	﹤0.01%	1002
2023 Q4	$1.85M	Buy	41,100 +22,100	+116%	+$974K	﹤0.01%	855
2023 Q3	$898K	Buy	19,000 +4,300	+29%	+$190K	﹤0.01%	872
2023 Q2	$625K	Sell	14,700 -12,100	-45%	-$551K	﹤0.01%	885
2023 Q1	$1.41M	Buy	26,800 +400	+2%	+$20K	﹤0.01%	835
2022 Q4	$1.35M	Sell	26,400 -44,200	-63%	-$2M	﹤0.01%	800
2022 Q3	$2.85M	Sell	70,600 -24,000	-25%	-$1.15M	﹤0.01%	620
2022 Q2	$4.32M	Buy	94,600 +91,253	+2,726%	+$4.73M	0.01%	556
2022 Q1	$203K	Buy	+3,347	New	+$219K	﹤0.01%	1101
2021 Q4	–	Sell	-19,100	Closed	-$981K	–	1465
2021 Q3	$981K	Buy	+19,100	New	+$1.06M	﹤0.01%	1007
2021 Q1	–	Sell	-140,200	Closed	-$7.41M	–	1320
2020 Q4	$7.41M	Buy	+140,200	New	+$6.23M	0.01%	545
2020 Q3	–	Sell	-27,451	Closed	-$1.49M	–	1147
2020 Q2	$1.49M	Sell	27,451 -219,800	-89%	-$10.9M	﹤0.01%	819
2020 Q1	$9.84M	Sell	247,251 -36,488	-13%	-$1.5M	0.03%	358
2019 Q4	$12.1M	Sell	283,739 -433,755	-60%	-$16.5M	0.02%	402
2019 Q3	$28.1M	Sell	717,494 -275,837	-28%	-$11.6M	0.06%	254
2019 Q2	$40.9M	Sell	993,331 -147,201	-13%	-$5.66M	0.08%	195
2019 Q1	$42.6M	Sell	1,140,532 -459,368	-29%	-$17.8M	0.08%	190
2018 Q4	$54.2M	Buy	1,599,900 +786,600	+97%	+$24.9M	0.12%	137
2018 Q3	$25.4M	Sell	813,300 -60,600	-7%	-$1.7M	0.05%	325
2018 Q2	$23.2M	Buy	873,900 +270,500	+45%	+$6.87M	0.04%	326
2018 Q1	$15.6M	Buy	603,400 +57,100	+10%	+$1.34M	0.03%	481
2017 Q4	$11.4M	Buy	546,300 +38,400	+8%	+$814K	0.02%	502
2017 Q3	$11.2M	Sell	507,900 -19,800	-4%	-$474K	0.02%	489
2017 Q2	$13.2M	Sell	527,700 -39,000	-7%	-$934K	0.03%	411
2017 Q1	$13.4M	Buy	566,700 +5,500	+1%	+$135K	0.03%	386
2016 Q4	$13.7M	Buy	561,200 +1,500	+0.3%	+$32.8K	0.05%	275
2016 Q3	$12.2M	Sell	559,700 -593,800	-51%	-$12.4M	0.04%	311
2016 Q2	$21.6M	Buy	1,153,500 +211,200	+22%	+$3.82M	0.09%	185
2016 Q1	$17.9M	Buy	942,300 +128,900	+16%	+$2.38M	0.07%	230
2015 Q4	$16.8M	Buy	813,400 +410,600	+102%	+$9.43M	0.08%	213
2015 Q3	$8.35M	Buy	402,800 +225,200	+127%	+$5.23M	0.03%	430
2015 Q2	$4.21M	Buy	177,600 +107,700	+154%	+$2.46M	0.01%	609
2015 Q1	$1.35M	Buy	69,900 +40,200	+135%	+$801K	0.01%	807
2014 Q4	$576K	Buy	+29,700	New	+$496K	﹤0.01%	959
2014 Q3	–	Sell	-57,300	Closed	-$1.24M	–	1250
2014 Q2	$1.24M	Sell	57,300 -194,000	-77%	-$3.99M	﹤0.01%	798
2014 Q1	$5.71M	Buy	251,300 +96,800	+63%	+$2.28M	0.02%	561
2013 Q4	$3.7M	Buy	+154,500	New	+$3.68M	0.02%	644

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

Canada Pension Plan Investment Board's CIEN Position: Q1 2026 in Review

Canada Pension Plan Investment Board increased its Ciena (CIEN) stake by 248% in Q1 2026, buying an estimated $20.1M and bringing the position to 92,200 shares worth $35.8M. The position accounts for 0.02% of the portfolio, ranked #402.

Canada Pension Plan Investment Board first reported a position in CIEN in Q4 2013 and has held it in 42 quarters since. The position peaked at $54.2M in Q4 2018. 1,080 funds tracked by Wall St. Rank hold CIEN as of Q1 2026.

Canada Pension Plan Investment Board held 92,200 shares of Ciena worth $35.8M as of Q1 2026.
Canada Pension Plan Investment Board bought 65,700 Ciena shares in Q1 2026, an estimated $20.1M.
Ciena made up 0.02% of Canada Pension Plan Investment Board's portfolio in Q1 2026, its #402 holding.
Canada Pension Plan Investment Board first reported a position in Ciena in Q4 2013 and has held it in 42 quarters since.
Canada Pension Plan Investment Board's Ciena position peaked at $54.2M in Q4 2018.
1,080 funds tracked by Wall St. Rank held Ciena as of Q1 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q1 2026, filed 15 May 2026.