Calamos Advisors LLC

CIK

1316507

Location

NAPERVILLE, IL

Portfolio Value

Mid $5,991,986,031

Diversification

Diversified

Filing Date

Global Rank

#277 / 8,588 ▲ 17

Top Industry

Semiconductors 14.1%

3Y Alpha vs SPY

-2.3%

Period ended 3 months ago

Filed May 4, 2026 · 44d

25 quarters · since Mar 2020

Clone Performance

Jun 2023–Jun 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio

+68.2%

SPY

+76.8%

Annualised alpha

-2.0%

Max drawdown

−19.7%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

681 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025

Top Position

8.1%

+0.5 pts

Top 5

30.3%

+0.3 pts

Top 10

42.8%

−1.4 pts

HHI

254

Diversified+1

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026

Sector	% Portfolio	Value	Positions
Technology	31.0%	$5,991,986,031	114
Unclassified	10.8%	$2,096,782,000	9
Financial Services	10.2%	$1,966,029,796	138
Consumer Cyclical	9.8%	$1,886,980,194	64
Healthcare	8.8%	$1,696,023,962	87
Communication Services	8.7%	$1,679,750,970	21
Industrials	8.1%	$1,566,359,982	114
Consumer Defensive	4.6%	$886,566,155	36
Energy	3.9%	$744,502,277	31
Basic Materials	1.7%	$337,096,967	25
Utilities	1.5%	$284,425,373	18
Real Estate	1.0%	$196,860,598	24

Last Quarter's Activity

Export CSV

Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased

25 positions

Ticker	Company	Δ Shares	Shares	Value
NOK	Nokia Corp	+1,331,000	3,278,300	$26,357,532
AES	Aes Corp	+1,316,058	1,661,824	$23,415,100
WBD	Warner Bros. Discovery, Inc.	+1,024,996	1,150,350	$31,588,611
NVDA	Nvidia Corp	+881,691	8,196,787	$1,429,519,652
AAPL	Apple Inc.	+802,037	4,787,595	$1,215,043,735
SPY	Spdr S&P 500 ETF Trust	+747,036	2,414,103	$1,569,987,745
KVUE	Kenvue Inc.	+651,000	3,351,000	$57,771,240
NU	Nu Holdings Ltd.	+395,631	436,531	$6,272,950
ASTS	AST SpaceMobile, Inc.	+376,423	386,123	$31,998,013
ANET	Arista Networks, Inc.	+360,116	526,164	$64,602,415
NCLH	Norwegian Cruise Line Holdings Ltd.	+337,000	730,795	$13,665,866
AMZN	Amazon Com Inc	+332,897	3,481,660	$725,125,328
MSFT	Microsoft Corp	+277,758	2,430,907	$899,848,844
GOOGL	Alphabet Inc.	+271,146	2,564,613	$737,480,114
AVGO	Broadcom Inc.	+249,806	1,658,320	$513,266,623
AMPX	Amprius Technologies, Inc.	+245,473	364,506	$6,145,570
SO	Southern Co	+223,978	420,625	$40,598,725
ABNB	Airbnb, Inc.	+213,014	215,655	$27,232,913
DDOG	Datadog, Inc.	+212,871	287,464	$33,935,125
JHX	James Hardie Industries plc	+207,567	993,270	$18,812,533
GILD	Gilead Sciences, Inc.	+187,021	412,590	$57,502,668
DASH	DoorDash, Inc.	+163,232	335,118	$50,317,967
PLD	Prologis, Inc.	+140,522	336,518	$44,480,949
TXN	Texas Instruments Inc	+139,337	252,076	$48,938,034
NRO	Neuberger Real Estate Securities Income Fund Inc	+137,195	354,913	$1,007,952
No positions match the current search.

Trimmed

Positions the filer reduced

25 positions

Ticker	Company	Δ Shares	Shares	Value
HBAN	Huntington Bancshares Inc /Md/	−516,500	404,397	$6,328,813
T	At&T Inc.	−453,477	1,271,092	$36,848,957
HAL	Halliburton Co	−388,400	269,500	$10,507,805
EQT	EQT Corp	−287,593	300,683	$19,135,466
RKLB	Rocket Lab Corp	−221,587	24,393	$1,566,518
NEE	Nextera Energy Inc	−197,537	538,400	$50,006,592
BBD	Bank Bradesco	−186,700	193,810	$707,406
SLB	Slb Limited/Nv	−177,868	318,146	$16,349,522
NOW	ServiceNow, Inc.	−166,162	304,355	$31,820,315
RSI	Rush Street Interactive, Inc.	−155,879	315,092	$6,853,250
ADPT	Adaptive Biotechnologies Corp	−125,216	58,808	$816,254
ABT	Abbott Laboratories	−122,909	378,774	$38,888,726
PFE	Pfizer Inc	−113,617	1,805,659	$50,702,904
QQQ	Invesco Qqq Trust, Series 1	−84,895	765,765	$441,984,242
CBOE	Cboe Global Markets, Inc.	−83,865	802	$225,418
CX	Cemex Sab De CV	−79,100	97,705	$1,117,745
MU	Micron Technology Inc	−76,542	322,206	$108,854,075
RDVT	Red Violet, Inc.	−72,901	7,863	$272,059
MDT	Medtronic plc	−67,872	602,965	$52,246,917
WFC	Wells Fargo & Company/Mn	−63,123	1,682,021	$133,905,691
APTV	Aptiv PLC	−61,266	136,614	$9,486,476
ADI	Analog Devices Inc	−56,869	101,188	$32,191,950
BSX	Boston Scientific Corp	−53,971	817,686	$51,309,796
BDJ	BlackRock Enhanced Equity Dividend Trust	−46,952	64,725	$557,929
PEGA	Pegasystems Inc	−43,826	7,003	$298,047
No positions match the current search.

New Positions

Positions the filer opened this quarter

25 positions

Ticker	Company	Shares	Value
USO	United States Oil Fund, LP	580,000	$73,805,000
EA	Electronic Arts Inc.	246,057	$50,163,640
PBR	Petrobras - Petroleo Brasileiro SA	1,776,900	$36,870,675
CWAN	Clearwater Analytics Holdings, Inc.	1,377,682	$32,582,179
DAR	Darling Ingredients Inc.	417,139	$25,800,047
BHF	Brighthouse Financial, Inc.	391,771	$23,459,247
RPRX	Royalty Pharma plc	437,090	$20,967,207
SNDK	Sandisk Corp	23,165	$14,717,651
WDC	Western Digital Corp	49,820	$13,475,811
CAH	Cardinal Health Inc	55,500	$11,727,705
SCCO	Southern Copper Corp/	65,669	$11,299,008
MCO	Moodys Corp /De/	24,196	$10,555,505
STX	Seagate Technology Holdings plc	23,213	$9,093,924
SKM	Sk Telecom Co Ltd	309,483	$9,064,757
DGX	Quest Diagnostics Inc	43,506	$8,526,305
NDAQ	Nasdaq, Inc.	85,920	$7,293,748
AZN	Astrazeneca PLC	33,768	$6,659,724
CF	CF Industries Holdings, Inc.	50,603	$6,570,293
UCTT	Ultra Clean Holdings, Inc.	89,869	$5,588,053
CAVA	Cava Group, Inc.	64,102	$5,185,851
IX	Orix Corp	163,340	$4,898,566
BKR	Baker Hughes Co	74,000	$4,517,700
VIAV	Viavi Solutions Inc.	129,117	$4,297,012
TM	Toyota Motor Corp/	20,763	$4,279,046
PSMT	Pricesmart Inc	27,675	$4,165,087
No positions match the current search.

Sold Out

Positions the filer fully exited

25 positions

Ticker	Company	Shares	Value
TGNA	TEGNA INC	1,665,326	$32,323,977
FROG	JFrog Ltd	223,696	$13,972,051
COHR	Coherent Corp.	59,357	$10,955,521
URBN	Urban Outfitters Inc	142,500	$10,724,550
HOOD	Robinhood Markets, Inc.	93,660	$10,592,946
VCIC	Vine Hill Capital Investment Corp.	925,000	$9,962,250
PINS	Pinterest, Inc.	236,000	$6,110,040
MTCH	Match Group, Inc.	178,590	$5,766,671
PAYC	Paycom Software, Inc.	35,890	$5,719,430
ADMA	Adma Biologics, Inc.	292,426	$5,333,850
ICLR	Icon PLC	26,500	$4,828,830
BOOT	Boot Barn Holdings, Inc.	26,177	$4,619,455
CRDO	Credo Technology Group Holding Ltd	30,832	$4,436,415
ARGX	Argenx SE	4,640	$3,902,008
BBIO	BridgeBio Pharma, Inc.	45,044	$3,445,415
HRI	Herc Holdings Inc	22,340	$3,314,808
SGHC	Super Group (SGHC) Ltd	244,951	$2,927,164
AWI	Armstrong World Industries Inc	15,018	$2,869,939
APPN	Appian Corp	72,473	$2,566,992
PLMR	Palomar Holdings, Inc.	17,396	$2,344,284
MNKD	Mannkind Corp	370,718	$2,101,970
EXTR	Extreme Networks Inc	111,894	$1,863,035
MGNI	Magnite, Inc.	113,457	$1,841,406
MIAX	Miami International Holdings, Inc.	41,364	$1,835,733
SKWD	Skyward Specialty Insurance Group, Inc.	32,465	$1,659,285
No positions match the current search.

Portfolio Positions

Compact Export CSV View 13F filing

114 positions · $5,991,986,031 total · Technology only · as of Mar 31, 2026

All sectors Basic Materials Communication Services Consumer Cyclical Consumer Defensive Energy Financial Services Healthcare Industrials Real Estate Technology Utilities

Showing 1–50 of 114 positions by value · page 1 of 3

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	% of Portfolio
NVDA	Nvidia Corp Technology	Added	8,196,787	+881,691	$1,429,519,652	+4.8%	23.86%
AAPL	Apple Inc. Technology	Added	4,787,595	+802,037	$1,215,043,735	+12.1%	20.28%
MSFT	Microsoft Corp Technology	Added	2,430,907	+277,758	$899,848,844	−13.6%	15.02%
AVGO	Broadcom Inc. Technology	Added	1,658,320	+249,806	$513,266,623	+5.3%	8.57%
PLTR	Palantir Technologies Inc. Technology	Added	744,854	+135,335	$108,957,243	+0.6%	1.82%
MU	Micron Technology Inc Technology	Reduced	322,206	-76,542	$108,854,075	−4.4%	1.82%
AMAT	Applied Materials Inc /De Technology	Added	310,090	+93,344	$105,985,661	+90.3%	1.77%
AMD	Advanced Micro Devices Inc Technology	Added	479,528	+106,245	$97,550,381	+22.0%	1.63%
CSCO	Cisco Systems, Inc. Technology	Added	1,163,426	+26,920	$90,270,223	+3.1%	1.51%
LRCX	Lam Research Corp Technology	Added	413,151	+46,734	$88,273,842	+40.7%	1.47%
ORCL	Oracle Corp Technology	Reduced	452,981	-21,605	$66,638,034	−28.0%	1.11%
INTU	Intuit Inc. Technology	Added	150,629	+19,941	$65,128,967	−24.8%	1.09%
ANET	Arista Networks, Inc. Technology	Added	526,164	+360,116	$64,602,415	+196.9%	1.08%
UBER	Uber Technologies, Inc Technology	Added	820,402	+39,072	$59,011,515	−7.6%	0.98%
CRM	Salesforce, Inc. Technology	Reduced	270,364	-6,416	$50,468,847	−31.2%	0.84%
TXN	Texas Instruments Inc Technology	Added	252,076	+139,337	$48,938,034	+150.2%	0.82%
SNPS	Synopsys Inc Technology	Added	113,104	+6,263	$44,843,473	−10.6%	0.75%
INTC	Intel Corp Technology	Added	974,948	+39,056	$43,024,455	+24.6%	0.72%
TSM	Taiwan Semiconductor Manufacturing Co Ltd Technology	Added	126,396	+10,992	$42,715,528	+21.8%	0.71%
PANW	Palo Alto Networks Inc Technology	Added	264,178	+64,925	$42,353,016	+15.4%	0.71%
APH	Amphenol Corp /De/ Technology	Reduced	297,447	-2,907	$37,582,428	−7.4%	0.63%
DDOG	Datadog, Inc. Technology	Added	287,464	+212,871	$33,935,125	+234.5%	0.57%
CWAN	Clearwater Analytics Holdings, Inc. Technology	NEW	1,377,682	NEW	$32,582,179	NEW	0.54%
ADI	Analog Devices Inc Technology	Reduced	101,188	-56,869	$32,191,950	−24.9%	0.54%
ASTS	AST SpaceMobile, Inc. Technology	Added	386,123	+376,423	$31,998,013	+4441.9%	0.53%
NOW	ServiceNow, Inc. Technology	Reduced	304,355	-166,162	$31,820,315	−55.9%	0.53%
IBM	International Business Machines Corp Technology	Added	123,566	+8,240	$29,951,162	−12.3%	0.50%
TER	Teradyne, Inc Technology	Added	99,104	+1,024	$29,380,371	+54.8%	0.49%
QCOM	Qualcomm Inc/De Technology	Added	212,223	+2,673	$27,330,077	−23.8%	0.46%
NOK	Nokia Corp Technology	Added	3,278,300	+1,331,000	$26,357,532	+109.2%	0.44%
LITE	Lumentum Holdings Inc. Technology	Reduced	35,029	-6,186	$24,616,979	+62.0%	0.41%
TSEM	Tower Semiconductor Ltd Technology	Added	133,597	+108,854	$23,443,600	+706.9%	0.39%
CRWD	CrowdStrike Holdings, Inc. Technology	Added	57,091	+1,608	$22,288,897	−14.3%	0.37%
SNOW	Snowflake Inc. Technology	Added	147,285	+44,879	$22,213,523	−1.1%	0.37%
ADP	Automatic Data Processing Inc Technology	Added	106,505	+10,679	$21,639,685	−12.2%	0.36%
ACN	Accenture plc Technology	Added	102,114	+3,139	$20,248,185	−23.7%	0.34%
ASML	Asml Holding NV Technology	Added	14,707	+5,124	$19,425,446	+89.5%	0.32%
NXPI	NXP Semiconductors N.V. Technology	Added	93,315	+1,229	$18,369,990	−8.1%	0.31%
ADBE	Adobe Inc. Technology	Held	74,586	0	$18,130,364	−30.5%	0.30%
KEYS	Keysight Technologies, Inc. Technology	Held	54,931	0	$15,510,866	+39.0%	0.26%
SNDK	Sandisk Corp Technology	NEW	23,165	NEW	$14,717,651	NEW	0.25%
TEL	TE Connectivity plc Technology	Added	68,412	+1,128	$14,299,476	−6.6%	0.24%
WDC	Western Digital Corp Technology	NEW	49,820	NEW	$13,475,811	NEW	0.22%
WOLF	Wolfspeed, Inc. Technology	Held	715,138	0	$11,671,052	−6.3%	0.19%
ADSK	Autodesk, Inc. Technology	Added	44,962	+1,698	$10,763,902	−16.0%	0.18%
TYL	Tyler Technologies Inc Technology	Held	28,283	0	$9,683,533	−24.6%	0.16%
ZBRA	Zebra Technologies Corp Technology	Added	44,488	+2,982	$9,301,551	−7.7%	0.16%
STX	Seagate Technology Holdings plc Technology	NEW	23,213	NEW	$9,093,924	NEW	0.15%
PTC	Ptc Inc. Technology	Held	62,428	0	$8,895,365	−18.2%	0.15%
Q	Qnity Electronics, Inc. Technology	Added	75,811	+2,702	$8,747,073	+46.5%	0.15%