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CIEN·Ciena Corp
infraenablerAI CoreData as of 2026-08-26
Holder Count
33 / 100
33 of 100 tracked investors hold CIEN
Aggregate $
$5.45B
13F longs + subsequent 13G/D block filings, deduped
Share of AI Universe
0.2%
Share of aggregated AI exposure across 100 investors
Latest quarter · 2026-Q2
Added
Adage Capital
D.E. Shaw
Balyasny
Norges Bank
AQR Capital
Ken Fisher
Renaissance Technologies
Two Sigma
Man Group
CPP Investments
CDPQ
Citadel
Millennium
APG
Himension+$1.37B
Adage CapitalD.E. ShawBalyasnyNorges BankAQR CapitalKen FisherRenaissance TechnologiesTwo SigmaMan GroupCPP InvestmentsCDPQCitadelMillenniumAPGHimensionTrimmed
Marshall Wace
Holocene Advisors
Bridgewater
Jericho Capital
T. Rowe Price
Verition Fund Management
Temasek
Wellington Management
GF Fund
E Fund
Analog Century
Point72−$710M
Marshall WaceHolocene AdvisorsBridgewaterJericho CapitalT. Rowe PriceVerition Fund ManagementTemasekWellington ManagementGF FundE FundAnalog CenturyPoint72Exited
No Exited this quarter
—Holders
Sorted by position $ (largest first); click headers to re-sort| Investor | Position $↓ | % of AI Exposure | Latest 13F Action | Entry Quarter |
|---|---|---|---|---|
T. Rowe Price Associates T. Rowe Price Associates, Inc. | $2.00B | 0.4% | TRIM2026-Q2 | Before 2020-Q1 |
Norges Bank Investment Management Norges Bank | $835M | 0.2% | ADD2026-Q2 | Before 2020-Q1 |
Cliff Asness / AQR Capital AQR Capital Management LLC | $507M | 0.8% | ADD2026-Q2 | Before 2020-Q1 |
 Gavin Baker / Atreides Management Atreides Management LP | $338M | 3.3% | HOLD2026-Q2 | 2023-Q3 |
Josh Resnick / Jericho Capital Jericho Capital Asset Management L.P. | $275M | 5.3% | TRIM2026-Q2 | Before 2020-Q1 |
Dmitry Balyasny / Balyasny Asset Management Balyasny Asset Management LLC | $183M | 1.8% | ADD2026-Q2 | Before 2020-Q1 |
Man Group plc Man Group plc | $164M | 1.0% | ADD2026-Q2 | Before 2020-Q1 |
Analog Century Management Analog Century Management LP | $111M | 6.1% | TRIM2026-Q2 | Before 2020-Q1 |
Ken Griffin / Citadel Citadel LLC | $105M | 0.3% | ADD2026-Q2 | Before 2020-Q1 |
Steve Cohen / Point72 Point72 Asset Management, L.P. | $103M | 0.6% | TRIM2026-Q2 | Before 2020-Q1 |
Caisse de depot et placement du Quebec Caisse de depot et placement du Quebec | $98M | 0.5% | ADD2026-Q2 | Before 2020-Q1 |
Peter Brown / Renaissance Technologies Renaissance Technologies LLC | $91M | 0.7% | ADD2026-Q2 | Before 2020-Q1 |
 BIT Capital BIT Capital GmbH | $83M | 4.5% | NEW2026-Q2 | Before 2020-Q1 |
Izzy Englander / Millennium Millennium Management LLC | $82M | 0.3% | ADD2026-Q2 | Before 2020-Q1 |
David Shaw / D.E. Shaw D. E. Shaw & Co., Inc. | $65M | 0.1% | ADD2026-Q2 | Before 2020-Q1 |
Canada Pension Plan Investment Board Canada Pension Plan Investment Board | $63M | 0.1% | ADD2026-Q2 | Before 2020-Q1 |
Adage Capital Partners Adage Capital Partners GP, L.L.C. | $62M | 0.2% | ADD2026-Q2 | Before 2020-Q1 |
Ray Dalio / Bridgewater Bridgewater Associates, LP | $50M | 0.9% | TRIM2026-Q2 | Before 2020-Q1 |
APG Asset Management APG Asset Management N.V. | $46M | 0.3% | ADD2026-Q2 | Before 2020-Q1 |
 SCGE Management SCGE Management, L.P. | $44M | 0.8% | NEW2026-Q2 | Before 2020-Q1 |
 Silvant Capital Management Silvant Capital Management LLC | $42M | 2.0% | NEW2026-Q2 | Before 2020-Q1 |
Wellington Management Wellington Management Group LLP | $31M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
Paul Marshall / Marshall Wace Marshall Wace, LLP | $22M | 0.1% | TRIM2026-Q2 | Before 2020-Q1 |
E Fund Management E Fund Management Co., Ltd. | $14M | 0.5% | TRIM2026-Q2 | Before 2020-Q1 |
GF Fund Management GF Fund Management Co., Ltd. | $11M | 0.2% | TRIM2026-Q2 | Before 2020-Q1 |
Brandon Haley / Holocene Advisors Holocene Advisors LP | $10M | 0.1% | TRIM2026-Q1 | Before 2020-Q1 |
Temasek Holdings Temasek Holdings (Private) Ltd | $7M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
John Overdeck / David Siegel / Two Sigma Two Sigma Investments, LP | $5M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 Steven Schonfeld / Schonfeld Strategic Advisors Schonfeld Strategic Advisors LLC | $4M | 0.1% | NEW2026-Q2 | Before 2020-Q1 |
Himension Capital Himension Capital (Singapore) Pte. Ltd. | $1M | 0.1% | ADD2026-Q2 | Before 2020-Q1 |
 Sander Gerber / Hudson Bay Capital Hudson Bay Capital Management LP | $451315 | 0.0% | NEW2026-Q2 | Before 2020-Q1 |
Ken Fisher / Fisher Investments Fisher Asset Management, LLC | $333272 | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
Nicholas Maounis / Verition Fund Management Verition Fund Management LLC | $218790 | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
Position Action Log
158 entries · newest first| Date | Investor | Action | Δ $ | Δ Shares |
|---|---|---|---|---|
| 2026-Q2 | ADD | +$17M | +9.8K | |
| 2026-Q2 | TRIM | −$15M | −21.2K | |
| 2026-Q2 | ADD | +$43M | +99.1K | |
| 2026-Q2 | ADD | +$133M | +75.1K | |
| 2026-Q2 | ADD | +$75M | +11.7K | |
| 2026-Q2 | ADD | +$57M | +49.0K | |
| 2026-Q2 | NEW | +$83M | +168.9K | |
| 2026-Q2 | TRIM | −$6M | −42.8K | |
| 2026-Q2 | ADD | +$73M | +135.8K | |
| 2026-Q2 | ADD | +$50M | +73.6K | |
| 2026-Q2 | ADD | +$27M | +36.1K | |
| 2026-Q2 | ADD | +$62M | +124.3K | |
| 2026-Q2 | TRIM | −$5M | −19.2K | |
| 2026-Q2 | ADD | +$96K | +69 | |
| 2026-Q2 | TRIM | −$31M | −85.0K | |
| 2026-Q2 | ADD | +$722K | +1.2K | |
| 2026-Q2 | EXIT | −$10M | −25.6K | |
| 2026-Q2 | NEW | +$451K | +920 | |
| 2026-Q2 | TRIM | −$368M | −1.09M | |
| 2026-Q2 | EXIT | −$314M | −809.5K | |
| 2026-Q2 | ADD | +$155M | +311.4K | |
| 2026-Q2 | TRIM | −$27M | −80.9K | |
| 2026-Q2 | ADD | +$46M | +75.7K | |
| 2026-Q2 | ADD | +$646M | +891.2K | |
| 2026-Q2 | TRIM | −$108M | −334.1K | |
| 2026-Q2 | ADD | +$53M | +87.0K | |
| 2026-Q2 | NEW | +$44M | +89.0K | |
| 2026-Q2 | NEW | +$4M | +8.3K | |
| 2026-Q2 | NEW | +$42M | +86.0K | |
| 2026-Q2 | EXIT | −$32M | −81.7K | |
| 2026-Q2 | TRIM | −$38M | −1.17M | |
| 2026-Q2 | TRIM | −$11M | −31.2K | |
| 2026-Q2 | ADD | +$3M | +6.0K | |
| 2026-Q2 | TRIM | −$16M | −41.6K | |
| 2026-Q2 | TRIM | −$25M | −81.5K | |
| 2026-Q2 | EXIT | −$90M | −231.3K | |
| 2026-Q1 | NEW | +$45M | +116.2K | |
| 2026-Q1 | TRIM | −$44M | −435.5K | |
| 2026-Q1 | TRIM | −$71M | −751.4K | |
| 2026-Q1 | TRIM | −$23M | −116.7K | |
| 2026-Q1 | TRIM | −$6M | −68.8K | |
| 2026-Q1 | TRIM | −$219K | −4.9K | |
| 2026-Q1 | NEW | +$237K | +610 | |
| 2026-Q1 | TRIM | −$91M | −404.6K | |
| 2026-Q1 | NEW | +$314M | +809.5K | |
| 2026-Q1 | TRIM | −$2M | −6.7K | |
| 2026-Q1 | ADD | +$36M | +72.8K | |
| 2026-Q1 | TRIM | −$24M | −151.5K | |
| 2026-Q1 | ADD | +$101M | +74.0K | |
| 2026-Q1 | TRIM | −$40M | −226.5K | |
| 2026-Q1 | ADD | +$1.09B | +1.19M | |
| 2026-Q1 | NEW | +$17M | +44.4K | |
| 2026-Q1 | TRIM | −$119M | −662.2K | |
| 2025-Q4 | TRIM | −$112M | −89.9K | |
| 2025-Q4 | ADD | +$130M | +27.5K | |
| 2025-Q4 | TRIM | −$12M | −183.6K | |
| 2025-Q4 | ADD | +$26M | +50.9K | |
| 2025-Q4 | TRIM | −$7M | −54.9K | |
| 2025-Q4 | ADD | +$64M | +176.7K | |
| 2025-Q4 | TRIM | −$98M | −326.8K | |
| 2025-Q4 | TRIM | −$830K | −23.9K | |
| 2025-Q4 | TRIM | −$15M | −136.2K | |
| 2025-Q4 | ADD | +$184M | +733.8K | |
| 2025-Q4 | TRIM | −$25M | −110.3K | |
| 2025-Q4 | NEW | +$72M | +308.2K | |
| 2025-Q4 | ADD | +$562M | +1.40M | |
| 2025-Q4 | TRIM | −$14M | −444.3K | |
| 2025-Q3 | ADD | +$119M | +281.5K | |
| 2025-Q3 | ADD | +$101M | +137.9K | |
| 2025-Q3 | TRIM | −$7M | −408.7K | |
| 2025-Q3 | ADD | +$20M | +113.8K | |
| 2025-Q3 | ADD | +$5M | +3.4K | |
| 2025-Q3 | NEW | +$37M | +253.4K | |
| 2025-Q3 | ADD | +$180M | +648.0K | |
| 2025-Q3 | NEW | +$292M | +2.01M | |
| 2025-Q3 | NEW | +$8M | +54.0K | |
| 2025-Q3 | ADD | +$14M | +27.7K | |
| 2025-Q3 | EXIT | −$858K | −10.5K | |
| 2025-Q3 | TRIM | −$139M | −2.17M | |
| 2025-Q3 | ADD | +$364M | +2.39M | |
| 2025-Q3 | ADD | +$127M | +502.0K | |
| 2025-Q2 | ADD | +$67M | +677.3K | |
| 2025-Q2 | NEW | +$103M | +1.26M | |
| 2025-Q2 | ADD | +$82M | +1.00M | |
| 2025-Q2 | NEW | +$4M | +48.0K | |
| 2025-Q2 | TRIM | −$2M | −52.7K | |
| 2025-Q2 | NEW | +$109M | +1.33M | |
| 2025-Q2 | TRIM | −$21M | −399.5K | |
| 2025-Q2 | ADD | +$2M | +7.6K | |
| 2025-Q2 | ADD | +$104M | +763.4K | |
| 2025-Q2 | TRIM | −$49M | −907.7K | |
| 2025-Q2 | NEW | +$68M | +835.8K | |
| 2025-Q1 | TRIM | −$18M | −51.6K | |
| 2025-Q1 | ADD | +$366K | +3.8K | |
| 2025-Q1 | ADD | +$6M | +102.2K | |
| 2025-Q1 | TRIM | −$42M | −338.7K | |
| 2025-Q1 | ADD | +$186K | +5.2K | |
| 2025-Q1 | TRIM | −$3M | −16.2K | |
| 2025-Q1 | ADD | +$99M | +1.74M | |
| 2025-Q1 | TRIM | −$322M | −3.46M | |
| 2024-Q4 | TRIM | −$900K | −209.8K | |
| 2024-Q4 | TRIM | −$130M | −2.14M | |
| 2024-Q4 | TRIM | −$864K | −23.2K | |
| 2024-Q4 | ADD | +$924K | +9.1K | |
| 2024-Q4 | EXIT | −$777K | −12.6K | |
| 2024-Q4 | EXIT | −$7M | −119.6K | |
| 2024-Q4 | ADD | +$75M | +879.0K | |
| 2024-Q4 | TRIM | −$2M | −29.9K | |
| 2024-Q4 | ADD | +$3M | +14.8K | |
| 2024-Q4 | TRIM | −$36M | −684.6K | |
| 2024-Q4 | ADD | +$296M | +3.06M | |
| 2024-Q3 | TRIM | −$7M | −81.4K | |
| 2024-Q3 | TRIM | −$36M | −1.37M | |
| 2024-Q3 | NEW | +$3M | +47.5K | |
| 2024-Q3 | NEW | +$416K | +6.8K | |
| 2024-Q3 | TRIM | −$70K | −2.0K | |
| 2024-Q3 | TRIM | −$878K | −51.5K | |
| 2024-Q3 | ADD | +$1M | +16.6K | |
| 2024-Q3 | TRIM | −$442K | −628 | |
| 2024-Q3 | ADD | +$2M | +30.9K | |
| 2024-Q3 | NEW | +$58M | +939.5K | |
| 2024-Q3 | ADD | +$33M | +255.5K | |
| 2024-Q2 | ADD | +$34M | +718.6K | |
| 2024-Q2 | ADD | +$15M | +401.6K | |
| 2024-Q2 | EXIT | −$16M | −315.6K | |
| 2024-Q2 | NEW | +$706K | +14.7K | |
| 2024-Q2 | TRIM | −$3M | −52.0K | |
| 2024-Q2 | NEW | +$202K | +4.2K | |
| 2024-Q2 | NEW | +$2M | +35.8K | |
| 2024-Q2 | NEW | +$2M | +41.1K | |
| 2024-Q2 | TRIM | −$39M | −754.7K | |
| 2024-Q1 | ADD | +$2M | +31.9K | |
| 2024-Q1 | ADD | +$43M | +640.4K | |
| 2024-Q1 | ADD | +$3M | +46.6K | |
| 2024-Q1 | TRIM | −$2M | −62.7K | |
| 2024-Q1 | EXIT | −$73M | −1.63M | |
| 2024-Q1 | ADD | +$97M | +1.96M | |
| 2023-Q4 | ADD | +$4M | +95.9K | |
| 2023-Q4 | ADD | +$37M | +902.4K | |
| 2023-Q4 | ADD | +$456K | +3.2K | |
| 2023-Q4 | ADD | +$2M | +48.2K | |
| 2023-Q4 | NEW | +$3M | +77.7K | |
| 2023-Q4 | TRIM | −$4M | −77.2K | |
| 2023-Q4 | ADD | +$14K | +5.1K | |
| 2023-Q3 | TRIM | −$828K | −24.0K | |
| 2023-Q3 | NEW | +$78M | +1.65M | |
| 2023-Q3 | ADD | +$10M | +201.3K | |
| 2023-Q3 | NEW | +$222K | +4.7K | |
| 2023-Q3 | EXIT | −$6M | −132.5K | |
| 2023-Q3 | ADD | +$9M | +180.1K | |
| 2023-Q3 | TRIM | −$31M | −769.9K | |
| 2023-Q3 | TRIM | −$4M | −94.0K | |
| 2023-Q3 | ADD | +$679K | +5.2K | |
| 2023-Q2 | NEW | +$0 | +0 | |
| 2023-Q2 | ADD | +$736K | +25.0K | |
| 2023-Q2 | EXIT | −$8M | −161.1K | |
| 2020-Q1 | EXIT | −$610K | −14.3K | |
| 2019-Q4 | NEW | +$610K | +14.3K |
