Ciena: which funds bought and sold
Institutions that bought and sold Ciena shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 710 institutions that filed 13F reports for both quarters added to or opened positions in Ciena, and 488 cut or closed them. Together they sold a net 3.5M shares, −2.6% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 6.4M shares (−14.1%); index fund managers were net sellers of 547K shares (−1.3%). 241 opened a new position and 106 sold out entirely.
Bought, Q2 2026 710 institutions, 241 of them new holders Sold, Q2 2026 488 institutions, 106 of them sold out
Net change, all compared −3.5M shares (−2.6%)
Net change, active managers −6.4M shares (−14.1%), 61 bought, 43 sold
Buyers versus sellers
710 bought 108 488 sold
Active managers and hedge funds 61 bought · 43 sold · −6.4M
Index fund managers 8 bought · 4 sold · −547K
Other institutions 641 bought · 441 sold · +3.4M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| American Century Companies Inc Active manager | +1.3M +245.6% | 1.9M | $908M |
| Jpmorgan Chase & Co | +980K +9.6% | 11.2M | $5.4B |
| Nuveen, LLC | +547K +64.8% | 1.4M | $683M |
| State Street Corp Index funds | +372K +5.9% | 6.7M | $3.3B |
| Pictet Asset Management Holding SA | +355K +593.1% | 415K | $203M |
| Vanguard Portfolio Management LLC Index funds | +312K +4.2% | 7.7M | $3.8B |
| Man Group PLC Hedge fund | +311K +1331.6% | 335K | $164M |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | +294K +34.5% | 1.1M | $562M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +289K +20.8% | 1.7M | $823M |
| Qube Research & Technologies Ltd Hedge fund | +283K New position | 283K | $139M |
| SG Americas Securities, LLC | +279K +146.2% | 470K | $231M |
| Amundi | +244K +56.6% | 675K | $331M |
| Legal & General Group PLC | +239K +36.8% | 887K | $435M |
| Alyeska Investment Group, L.P. Hedge fund | +221K New position | 221K | $108M |
| Ameriprise Financial Inc | +204K +109.4% | 391K | $192M |
| Invesco Ltd. | +200K +13.1% | 1.7M | $849M |
| Royal London Asset Management Ltd | +184K +136.3% | 319K | $156M |
| Franklin Resources Inc Active manager | +183K +235.2% | 260K | $128M |
| Goldman Sachs Group Inc | +173K +22.4% | 947K | $464M |
| Bit Capital Gmbh | +169K New position | 169K | $82.8M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| American Century Companies Inc Active manager | +1.3M +245.6% | 1.9M | $908M |
| Man Group PLC Hedge fund | +311K +1331.6% | 335K | $164M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +289K +20.8% | 1.7M | $823M |
| Qube Research & Technologies Ltd Hedge fund | +283K New position | 283K | $139M |
| Alyeska Investment Group, L.P. Hedge fund | +221K New position | 221K | $108M |
| Franklin Resources Inc Active manager | +183K +235.2% | 260K | $128M |
| Squarepoint Ops LLC Hedge fund | +164K +4368.1% | 167K | $82.1M |
| Jupiter Asset Management Ltd Active manager | +125K +755.8% | 142K | $69.6M |
| D. E. Shaw & Co., Inc. Hedge fund | +124K +1394.6% | 133K | $65.3M |
| Caxton Associates LLP Hedge fund | +118K New position | 118K | $57.8M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | −2.1M −9.9% | 19.1M | $9.4B |
| Capital Research Global Investors Active manager | −2.1M −76.1% | 657K | $322M |
| Price T Rowe Associates Inc Active manager | −1.2M −22.3% | 4.1M | $2B |
| Jericho Capital Asset Management L.P. Hedge fund | −1.1M −66.1% | 562K | $275M |
| Lone Pine Capital LLC Hedge fund | −810K Sold out | 0 | — |
| Polar Capital Holdings PLC Active manager | −798K Sold out | 0 | — |
| Geode Capital Management, LLC Index funds | −695K −17.1% | 3.4M | $1.6B |
| Blackrock, Inc. Index funds | −655K −4.9% | 12.7M | $6.2B |
| Voya Investment Management LLC | −473K −39.3% | 732K | $359M |
| Alliancebernstein L.P. Active manager | −381K −72.3% | 146K | $56.7M |
| Point72 Asset Management, L.P. Hedge fund | −334K −61.3% | 211K | $103M |
| Anatole Investment Management Ltd | −311K −99.1% | 2,782 | $1.4M |
| UBS Group AG | −286K −44.1% | 362K | $178M |
| William Blair Investment Management, LLC Active manager | −265K −66.4% | 134K | $65.6M |
| Whale Rock Capital Management LLC Hedge fund | −231K Sold out | 0 | — |
| 1832 Asset Management L.P. | −187K −64.9% | 101K | $49.4M |
| Munro Partners Active manager | −177K −82.3% | 38K | $18.6M |
| Prudential Financial Inc | −167K −51.4% | 158K | $77.7M |
| Bank Of America Corp | −166K −8.5% | 1.8M | $877M |
| Zurich Insurance Group Ltd | −165K Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | −2.1M −9.9% | 19.1M | $9.4B |
| Capital Research Global Investors Active manager | −2.1M −76.1% | 657K | $322M |
| Price T Rowe Associates Inc Active manager | −1.2M −22.3% | 4.1M | $2B |
| Jericho Capital Asset Management L.P. Hedge fund | −1.1M −66.1% | 562K | $275M |
| Lone Pine Capital LLC Hedge fund | −810K Sold out | 0 | — |
| Polar Capital Holdings PLC Active manager | −798K Sold out | 0 | — |
| Alliancebernstein L.P. Active manager | −381K −72.3% | 146K | $56.7M |
| Point72 Asset Management, L.P. Hedge fund | −334K −61.3% | 211K | $103M |
| William Blair Investment Management, LLC Active manager | −265K −66.4% | 134K | $65.6M |
| Whale Rock Capital Management LLC Hedge fund | −231K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Qube Research & Technologies LtdHedge fund | 283K | $139M |
| Alyeska Investment Group, L.P.Hedge fund | 221K | $108M |
| Bit Capital Gmbh | 169K | $82.8M |
| Altshuler Shaham Ltd | 118K | $58.1M |
| Caxton Associates LLPHedge fund | 118K | $57.8M |
| Pfa Pension, Forsikringsaktieselskab | 95K | $46.8M |
| Nearwater Capital Markets, Ltd | 93K | $45.6M |
| Scge Management, L.P.Hedge fund | 89K | $43.7M |
| Silvant Capital Management LLC | 86K | $42.2M |
| Shannon River Fund Management LLCHedge fund | 81K | $39.9M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Lone Pine Capital LLCHedge fund | 810K | $314M |
| Polar Capital Holdings PLCActive manager | 798K | $310M |
| Whale Rock Capital Management LLCHedge fund | 231K | $89.8M |
| Zurich Insurance Group Ltd | 165K | $64.1M |
| E20 Capital Ltd | 107K | $41.7M |
| Ardmore Road Asset Management LP | 91K | $35.3M |
| Cloudalpha Capital Management Limited/Hong Kong | 88K | $34.2M |
| Liontrust Investment Partners LLPActive manager | 82K | $31.9M |
| Steadfast Capital Management LPHedge fund | 82K | $31.7M |
| Virtus Wealth Solutions LLC | 63K | $24.6M |
Who holds the shares
- Institutions reporting
- 1,221
- Ten largest holders
- 58.8% of 13F-reported shares
- Index fund managers
- 32.8% of 13F-reported shares
- Active managers and hedge funds
- 29.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 61 | 43 | 21 | 13 | −6.4M | −14.1% |
| Index fund managers | 8 | 4 | 0 | 0 | −547K | −1.3% |
| Other institutions | 641 | 441 | 220 | 93 | +3.4M | +7.7% |