Security record · archived quarter

CIEN

Ciena Corporation · Technology · Communication Equipment

361.02 +5.6% mkt cap $51.20B quote delayed (FMP) · as of Oct 21 18:08 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024

170Tracked holders

+8Δ holders

110.57MShares held

$42.60BReported value

+12New positions

−5Exits

Stable Conviction score 41/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +4.9% · share flow -2.1% · net new positions +4.1% · formula
Ownership fragmentation: more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time

Quarter	Holders	Δ	Shares	Reported value	New	Exits
Q3 2026	4	0	669.70K	$259.53M	n/a	−1
Q2 2026	165	0	109.34M	$53.45B	+7	−9
Q1 2026	170	+8	110.57M	$42.60B	+12	−5
Q4 2025	161	+1	118.52M	$27.07B	+3	−1
Q3 2025	22	+1	86.19M	$12.55B	+1	−1
Q2 2025	19	0	67.83M	$5.52B	+1	−1
Q1 2025	16	+2	16.02M	$967.48M	+2	n/a
Q4 2024	14	0	15.33M	$1.30B	n/a	n/a
Q3 2024	13	+2	7.15M	$440.46M	+2	n/a
Q2 2024	11	n/a	5.15M	$248.36M	n/a	n/a

Holder count

Who holds it · Q1 2026

#	Manager	Shares	Δ shares	Value	Their weight		Held
1	Fidelity (FMR) ✦	21.21M	+0.4%	$8.23B	0.4%	▲ Add	4	SEC ↗ ×5
2	BlackRock ✦ (passive)	13.37M	-19.8%	$5.19B	0.1%	▼ Trim	4	SEC ↗ ×22
3	JPMorgan Chase ✦	10.23M	-5.9%	$3.73B	0.3%	▼ Trim	3	SEC ↗ ×19
4	Vanguard Capital Management Llc	9.17M	n/a	$3.56B	0.1%	n/c	1	SEC ↗
5	State Street Global Advisors ✦ (passive)	6.31M	+23.6%	$2.45B	0.1%	▲ Add	6	SEC ↗
6	T. Rowe Price ✦	5.24M	+29.4%	$2.04B	0.2%	▲ Add	8	SEC ↗ ×2
7	Geode Capital Management ✦ (passive)	4.07M	+51.3%	$1.58B	0.1%	▲ Add	8	SEC ↗ ×2
8	Capital Research Global Investors	2.75M	New	$1.07B	0.2%	New	1	SEC ↗
9	Bank Of America Corp /De/	1.95M	-9.7%	$758.85M	0.1%	▼ Trim	2	SEC ↗ ×7
10	Capital World Investors ✦	1.72M	-7.7%	$669.62M	0.1%	▼ Trim	5	SEC ↗
11	Morgan Stanley ✦	1.56M	+12.8%	$606.24M	0.0%	▲ Add	3	SEC ↗ ×15
12	Invesco Ltd.	1.53M	+0.8%	$594.11M	0.1%	▲ Add	2	SEC ↗ ×18
13	Arrowstreet Capital ✦	1.39M	-37.9%	$539.05M	0.3%	▼ Trim	8	SEC ↗
14	Charles Schwab Investment…	1.27M	+36.0%	$493.93M	0.1%	▲ Add	2	SEC ↗
15	Voya Investment Management Llc	1.21M	+27.3%	$467.86M	0.5%	▲ Add	2	SEC ↗ ×2
16	Northern Trust Corp	1.19M	-2.4%	$460.94M	0.1%	▼ Trim	2	SEC ↗ ×11
17	Dimensional Fund Advisors Lp	1.15M	-18.0%	$444.75M	0.1%	▼ Trim	2	SEC ↗ ×5
18	BNP Paribas Asset Management…	1.02M	-48.2%	$396.57M	0.5%	▼ Trim	2	SEC ↗ ×4
19	AQR Capital Management ✦	977.09K	-30.8%	$374.52M	0.2%	▼ Trim	8	SEC ↗ ×10
20	Bank of New York Mellon Corp	926.86K	-17.1%	$359.83M	0.1%	▼ Trim	2	SEC ↗ ×19
21	UBS AM, a distinct business unit of…	851.93K	+22.1%	$330.75M	0.1%	▲ Add	2	SEC ↗ ×11
22	Nuveen, LLC	844.19K	-6.0%	$327.74M	0.1%	▼ Trim	2	SEC ↗ ×3
23	Lone Pine Capital ✦	809.52K	New	$314.28M	2.5%	New	1	SEC ↗
24	Goldman Sachs Group ✦	773.26K	+73.6%	$300.20M	0.0%	▲ Add	3	SEC ↗ ×3
25	Legal & General Group Plc	648.38K	+27.0%	$251.72M	0.1%	▲ Add	2	SEC ↗ ×3
26	UBS Group AG	648.21K	+19.9%	$251.65M	0.0%	▲ Add	2	SEC ↗ ×3
27	Massachusetts Financial Services Co…	582.67K	-4.1%	$226.20M	0.1%	▼ Trim	2	SEC ↗ ×6
28	Point72 Asset Management ✦	544.65K	+15.7%	$211.45M	0.4%	▲ Add	7	SEC ↗
29	American Century Companies Inc	535.84K	+112.0%	$208.03M	0.1%	▲ Add	2	SEC ↗
30	Deutsche Bank Ag\	527.89K	-10.6%	$204.94M	0.1%	▼ Trim	2	SEC ↗ ×6
31	PRIMECAP Management ✦	438.05K	-14.4%	$170.06M	0.1%	▼ Trim	8	SEC ↗
32	First Trust Advisors Lp	436.94K	-14.7%	$169.64M	0.1%	▼ Trim	2	SEC ↗
33	Amundi	431.23K	-10.8%	$167.42M	0.0%	▼ Trim	2	SEC ↗ ×5
34	Bnp Paribas Financial Markets	423.78K	+581.6%	$164.53M	0.1%	▲ Add	2	SEC ↗ ×2
35	Swiss National Bank	413.33K	+7.0%	$160.47M	0.1%	▲ Add	2	SEC ↗
36	Schroder Investment Management Group	394.09K	n/a	$143.84M	0.1%	n/c	1	SEC ↗ ×4
37	Assenagon Asset Management S.A.	364.55K	-29.1%	$141.53M	0.2%	▼ Trim	2	SEC ↗
38	Wells Fargo & Company/Mn	352.44K	+21.6%	$136.83M	0.0%	▲ Add	2	SEC ↗ ×4
39	Prudential Financial Inc	325.76K	-33.4%	$126.47M	0.2%	▼ Trim	2	SEC ↗ ×2
40	Wealth Enhancement Advisory…	290.12K	-60.5%	$125.59M	0.3%	▼ Trim	2	SEC ↗
41	Balyasny Asset Management L.P.	323.42K	-26.5%	$125.56M	0.3%	▼ Trim	2	SEC ↗
42	Sumitomo Mitsui Trust Group, Inc.	321.82K	+10.7%	$124.94M	0.1%	▲ Add	2	SEC ↗
43	Alliancebernstein L.P.	527.41K	+47.5%	$123.35M	0.0%	▲ Add	2	SEC ↗
44	Mitsubishi UFJ Asset Management…	317.14K	+134.7%	$123.12M	0.1%	▲ Add	2	SEC ↗
45	Raymond James Financial Inc	304.78K	-14.6%	$118.13M	0.0%	▼ Trim	2	SEC ↗ ×7
46	National Pension Service	298.54K	+40.5%	$115.90M	0.1%	▲ Add	2	SEC ↗
47	Allianz Asset Management GmbH	289.39K	+67.1%	$112.35M	0.1%	▲ Add	2	SEC ↗ ×4
48	Neuberger Berman Group LLC	289.69K	-25.2%	$112.14M	0.1%	▼ Trim	2	SEC ↗ ×2
49	1832 Asset Management L.P.	287.40K	-63.6%	$111.58M	0.1%	▼ Trim	2	SEC ↗
50	Robeco Institutional Asset…	267.94K	+413.6%	$104.02M	0.1%	▲ Add	2	SEC ↗
51	Barclays Plc	265.54K	+26.8%	$103.09M	0.0%	▲ Add	2	SEC ↗ ×4
52	Royal Bank Of Canada	263.54K	-8.6%	$102.32M	0.0%	▼ Trim	2	SEC ↗ ×9
53	Janus Henderson Group Plc	249.20K	-43.6%	$96.75M	0.0%	▼ Trim	2	SEC ↗ ×2
54	Rhumbline Advisers	246.31K	-35.8%	$95.62M	0.1%	▼ Trim	2	SEC ↗
55	California Public Employees…	237.90K	-1.3%	$92.36M	0.1%	▼ Trim	2	SEC ↗
56	Hsbc Holdings Plc	223.20K	+104.9%	$86.51M	0.1%	▲ Add	2	SEC ↗ ×6
57	California State Teachers…	209.69K	-2.4%	$81.41M	0.1%	▼ Trim	2	SEC ↗
58	Citigroup Inc	200.06K	-20.5%	$77.67M	0.1%	▼ Trim	2	SEC ↗ ×3
59	Envestnet Asset Management Inc	191.20K	-26.5%	$74.23M	0.0%	▼ Trim	2	SEC ↗
60	Ameriprise Financial Inc	186.91K	-30.7%	$71.75M	0.0%	▼ Trim	2	SEC ↗ ×4
61	Russell Investments Group, Ltd.	178.49K	+65.0%	$68.60M	0.1%	▲ Add	2	SEC ↗ ×17
62	Zurcher Kantonalbank (Zurich…	172.29K	+16.3%	$66.89M	0.1%	▲ Add	2	SEC ↗
63	Td Asset Management Inc	169.92K	-0.2%	$65.97M	0.1%	▼ Trim	2	SEC ↗
64	Principal Financial Group Inc	156.92K	-48.3%	$60.92M	0.0%	▼ Trim	2	SEC ↗ ×2
65	LPL Financial LLC	155.99K	+2.2%	$60.56M	0.0%	▲ Add	2	SEC ↗
66	Sei Investments Co	144.77K	-42.0%	$56.20M	0.1%	▼ Trim	2	SEC ↗ ×3
67	Wellington Management ✦	144.38K	+34.3%	$56.05M	0.0%	▲ Add	2	SEC ↗ ×4
68	Bridgewater Associates ✦	143.85K	-32.4%	$55.85M	0.2%	▼ Trim	4	SEC ↗
69	Tidal Investments LLC	142.15K	+224.3%	$55.19M	0.2%	▲ Add	2	SEC ↗ ×2
70	Citadel Advisors ✦	140.44K	-80.5%	$54.52M	0.0%	▼ Trim	8	SEC ↗ ×2
71	Royal London Asset Management Ltd	134.83K	+3565.8%	$52.34M	0.1%	▲ Add	2	SEC ↗
72	Ensign Peak Advisors, Inc	134.48K	+57.8%	$52.21M	0.1%	▲ Add	2	SEC ↗
73	State Board Of Administration Of…	126.04K	-1.6%	$48.93M	0.1%	▼ Trim	2	SEC ↗
74	Marshall Wace ✦	125.98K	+136.8%	$48.91M	0.1%	▲ Add	8	SEC ↗ ×3
75	Korea Investment CORP	123.35K	-4.4%	$47.89M	0.1%	▼ Trim	2	SEC ↗
76	Gotham Asset Management ✦	121.30K	-11.0%	$47.09M	0.1%	▼ Trim	8	SEC ↗
77	Adage Capital Partners ✦	116.20K	New	$45.11M	0.1%	New	1	SEC ↗
78	Storebrand Asset Management As	106.61K	+112.5%	$41.39M	0.1%	▲ Add	2	SEC ↗
79	Quantinno Capital Management LP	103.91K	+3.4%	$40.34M	0.1%	▲ Add	2	SEC ↗
80	Stifel Financial Corp	102.61K	+26.1%	$39.84M	0.0%	▲ Add	2	SEC ↗ ×5
81	Swedbank AB	99.69K	-1.0%	$38.70M	0.0%	▼ Trim	2	SEC ↗
82	Mirae Asset Global Investments Co.…	98.03K	+202.9%	$38.06M	0.1%	▲ Add	2	SEC ↗ ×2
83	Renaissance Technologies ✦	97.80K	+200.0%	$37.97M	0.1%	▲ Add	2	SEC ↗
84	Aviva Plc	96.43K	+66.7%	$37.44M	0.1%	▲ Add	2	SEC ↗
85	State Of Wisconsin Investment Board	96.33K	+7.0%	$37.40M	0.1%	▲ Add	2	SEC ↗
86	Danske Bank A/S	93.83K	+155.7%	$36.43M	0.1%	▲ Add	2	SEC ↗ ×3
87	Canada Pension Plan Investment Board	92.20K	+247.9%	$35.79M	0.0%	▲ Add	2	SEC ↗
88	Loomis Sayles & Co L P	91.31K	-37.5%	$35.45M	0.0%	▼ Trim	2	SEC ↗ ×2
89	Millennium Management ✦	90.72K	-78.5%	$35.22M	0.0%	▼ Trim	8	SEC ↗
90	Hrt Financial Lp	86.30K	+474.6%	$33.50M	0.1%	▲ Add	2	SEC ↗ ×3
91	Universal- Beteiligungs- und…	84.49K	+26.8%	$32.80M	0.1%	▲ Add	2	SEC ↗
92	National Bank Of Canada /Fi/	84.49K	+90.8%	$32.80M	0.0%	▲ Add	2	SEC ↗ ×4
93	New York State Common Retirement…	84.19K	-1.2%	$32.68M	0.0%	▼ Trim	2	SEC ↗
94	Connor, Clark & Lunn Investment…	81.50K	-6.6%	$31.64M	0.1%	▼ Trim	2	SEC ↗
95	Bank Of Montreal /Can/	81.35K	+126.7%	$31.58M	0.0%	▲ Add	2	SEC ↗ ×7
96	Cerity Partners LLC	78.52K	-7.9%	$30.48M	0.0%	▼ Trim	2	SEC ↗ ×3
97	Franklin Resources Inc	77.68K	+76.5%	$30.16M	0.0%	▲ Add	2	SEC ↗ ×10
98	Manufacturers Life Insurance…	76.00K	-20.6%	$29.50M	0.0%	▼ Trim	2	SEC ↗
99	Chevy Chase Trust Holdings, LLC	69.39K	New	$26.94M	0.1%	New	1	SEC ↗ ×2
100	Nomura Asset Management…	65.40K	-36.6%	$25.39M	0.0%	▼ Trim	2	SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Capital Research Global…	$1.07B	0.2%
Lone Pine Capital	$314.28M	2.5%
Adage Capital Partners	$45.11M	0.1%
Chevy Chase Trust Holdings…	$26.94M	0.1%

Exited

Norges Bank	$189.89M	was 0.0%
Qube Research & Technologies…	$30.96M	was 0.0%
IMC-Chicago, LLC	$2.50M	was 0.0%
Simplex Trading, Llc	$2.07M	was 0.1%
Capstone Investment Advisors…	$200,193	was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,070 holders, 123.89M shares, $45.16B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

MA169shared holders BSX169shared holders GOOGL169shared holders MSFT169shared holders LLY168shared holders

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Oct 15 Rothenstein David M

Officer · 2.50K sh · $870,157

Oct 15 SMITH GARY B

Officer, Director · 2.95K sh · $1.03M

Oct 15 Gage Brodie

Officer · 1.20K sh · $412,896

Oct 15 DiPerna Dino

Officer · 445 sh · $155,750

Oct 15 DiPerna Dino

Officer · 445 sh · $153,116

Oct 01 SMITH GARY B

Officer, Director · 2.95K sh · $1.09M

Oct 01 Kosaraju Sheela

Officer · 2.10K sh · $746,254

Oct 01 Phipps Jason

Officer · 2.63K sh · $933,795

Oct 01 Graff Marc D.

Officer · 97 sh · $34,453

Sep 25 Cumello Joseph

Officer · 1.59K sh · $568,605

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership

Sep 03 SC 13G/A: JPMORGAN CHASE & CO

View original SEC filing ↗

Aug 06 SC 13G/A: FMR LLC