As of the latest SEC filings, CIENA CORP (CIEN) is held by 869 institutional funds. The largest fund shareholder is Fidelity Growth Company Fund (FGCKX), holding an estimated $2,380,670,095.10 in market value, representing 2.89% of its portfolio.
Funds holding CIENA CORP (CIEN)
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- CIEN
- CIK:
- 0000936395
| Fund | Type | Manager | Weight | Market Value | Shares |
Report Date
|
Filing Date
|
|---|---|---|---|---|---|---|---|
|
FGCKX
Fidelity Growth Company Fund
|
MF | Fidelity | 2.89% | $2,380,670,095.10 | 6,827,273 | Feb 28, 2026 | Apr 24, 2026 |
|
VTI
VANGUARD TOTAL STOCK MARKET INDEX FUND
|
ETF | Vanguard | 0.09% | $1,742,824,645.65 | 4,489,155 | Mar 31, 2026 | May 28, 2026 |
|
VFIAX
VANGUARD 500 INDEX FUND
|
ETF | Vanguard | 0.10% | $1,389,436,347.00 | 3,578,900 | Mar 31, 2026 | May 28, 2026 |
|
SEEGX
JPMorgan Large Cap Growth Fund
|
MF | JPMorgan | 1.20% | $1,291,775,925.81 | 3,327,347 | Mar 31, 2026 | May 29, 2026 |
|
IVV
iShares Core S&P 500 ETF
|
ETF | BlackRock / iShares | 0.10% | $703,238,657.31 | 1,811,397 | Mar 31, 2026 | May 28, 2026 |
|
FGKFX
Fidelity Growth Company K6 Fund
|
MF | Fidelity | 2.92% | $677,534,909.70 | 1,943,031 | Feb 28, 2026 | Apr 24, 2026 |
|
SPY
SPDR S&P 500 ETF Trust
|
ETF | State Street (SPDR) | 0.10% | $635,912,975.40 | 1,637,980 | Mar 31, 2026 | May 28, 2026 |
|
NAESX
VANGUARD SMALL-CAP INDEX FUND
|
ETF | Vanguard | 0.38% | $633,182,165.58 | 1,630,946 | Mar 31, 2026 | May 28, 2026 |
|
FXAIX
Fidelity 500 Index Fund
|
MF | Fidelity | 0.08% | $625,956,949.20 | 1,795,116 | Feb 28, 2026 | Apr 24, 2026 |
|
FCGSX
Fidelity Series Growth Company Fund
|
MF | Fidelity | 2.91% | $614,597,349.30 | 1,762,539 | Feb 28, 2026 | Apr 24, 2026 |
|
CNGAX
New Economy Fund
|
MF | Independent / Boutique | 1.35% | $606,755,435.00 | 1,740,050 | Feb 28, 2026 | Apr 27, 2026 |
|
VO
VANGUARD MID-CAP INDEX FUND
|
ETF | Vanguard | 0.30% | $593,039,183.58 | 1,527,546 | Mar 31, 2026 | May 28, 2026 |
|
VITAX
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
|
ETF | Vanguard | 0.39% | $505,622,671.40 | 1,450,022 | Feb 28, 2026 | Apr 28, 2026 |
|
XLK
State Street(R) Technology Select Sector SPDR(R) ETF
|
ETF | State Street (SPDR) | 0.49% | $410,082,302.01 | 1,056,287 | Mar 31, 2026 | May 28, 2026 |
|
VIGRX
VANGUARD GROWTH INDEX FUND
|
ETF | Vanguard | 0.11% | $361,449,506.37 | 931,019 | Mar 31, 2026 | May 28, 2026 |
|
VISGX
VANGUARD SMALL-CAP GROWTH INDEX FUND
|
ETF | Vanguard | 0.92% | $354,297,921.54 | 912,598 | Mar 31, 2026 | May 28, 2026 |
|
CAFAX
AMCAP Fund
|
MF | Independent / Boutique | 0.35% | $328,543,047.80 | 942,194 | Feb 28, 2026 | Apr 27, 2026 |
|
CWIAX
Capital World Growth & Income Fund
|
MF | Independent / Boutique | 0.21% | $311,089,915.40 | 892,142 | Feb 28, 2026 | Apr 27, 2026 |
|
VIIIX
VANGUARD INSTITUTIONAL INDEX FUND
|
MF | Vanguard | 0.10% | $308,333,042.46 | 794,202 | Mar 31, 2026 | May 28, 2026 |
|
FSMDX
Fidelity Mid Cap Index Fund
|
MF | Fidelity | 0.55% | $275,660,550.00 | 522,500 | Apr 30, 2026 | Jun 26, 2026 |
|
RSP
Invesco S&P 500 Equal Weight ETF
|
ETF | Invesco | 0.30% | $261,776,227.14 | 496,183 | Apr 30, 2026 | Jun 29, 2026 |
|
BLCR
iShares Large Cap Core Active ETF
|
ETF | BlackRock / iShares | 4.32% | $222,206,671.98 | 421,181 | Apr 30, 2026 | Jun 25, 2026 |
|
IWR
iShares Russell Mid-Cap ETF
|
ETF | BlackRock / iShares | 0.43% | $209,222,582.22 | 538,914 | Mar 31, 2026 | May 28, 2026 |
|
VMGIX
VANGUARD MID-CAP GROWTH INDEX FUND
|
ETF | Vanguard | 0.71% | $208,864,245.93 | 537,991 | Mar 31, 2026 | May 28, 2026 |
|
JGACX
JPMorgan Growth Advantage Fund
|
MF | JPMorgan | 1.01% | $203,642,552.43 | 524,541 | Mar 31, 2026 | May 29, 2026 |
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