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Advent Capital Management

SEC CIK
0001097278
Latest filing
Aug 11, 2026

Holdings in Q3 2021

Holdings as of Sep 30, 2021, filed Nov 15, 2021. Long positions only; changes compare share counts with Q2 2021.

Institution overview
Positions
263
+11 vs. Q2 2021
Portfolio value
$5.41B
+$263.1M (+5.1%) vs. Q2 2021
Filed
Nov 15, 2021
SEC
Holdings of Advent Capital Management in Q3 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$160.4M3.0%–––
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$149.9M2.8%–––
DISH Network CORP25470MAB5NOTE 3.375% 8/1–$137.8M2.5%–––
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$133.1M2.5%–––
RingCentral, Inc.76680RAF4NOTE 3/0–$113.1M2.1%–––
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$112.8M2.1%–––
Euronet Worldwide, Inc.298736AL3NOTE 0.750% 3/1–$106.1M2.0%–––
Western Digital Corp958102AP0NOTE 1.500% 2/0–$92.3M1.7%–––
Pebblebrook Hotel Tr70509VAA8NOTE 1.750%12/1–$90.0M1.7%–––
Wayfair Inc.94419LAM3NOTE 0.625%10/0–$87.4M1.6%–New–
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$83.7M1.5%–––
Stanley Black & Decker, Inc.854502846UNIT 11/15/2022790,384$83.5M1.5%+13,484+1.7%Added–
Splunk Inc848637AC8NOTE 0.500% 9/1–$79.6M1.5%–––
Workday, Inc.98138HAF8NOTE 0.250%10/0–$74.4M1.4%–––
Teladoc Health, Inc.87918AAF2NOTE 1.250% 6/0–$73.4M1.4%–––
Spirit Airls Inc848577AB8NOTE 1.000% 5/1–$72.2M1.3%–––
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$70.0M1.3%–––
Herbalife Ltd.42703MAD5NOTE 2.625% 3/1–$64.3M1.2%–––
Splunk Inc848637AF1NOTE 1.125% 6/1–$62.0M1.1%–––
Nuvasive Inc670704AJ4NOTE 0.375% 3/1–$61.8M1.1%–––
Alteryx, Inc.02156BAF0NOTE 1.000% 8/0–$60.9M1.1%–––
Nextera Energy Inc65339F739UNIT 99/99/99991,189,301$60.9M1.1%+71,034+6.4%Added–
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$57.8M1.1%–––
RingCentral, Inc.76680RAH0NOTE 3/1–$57.3M1.1%–New–
Liberty Media Corp Del531229AB8NOTE 1.375%10/1–$56.9M1.1%–––
Wellpoint Inc94973VBG1NOTE 2.750%10/1–$54.9M1.0%–––
Pure Storage Inc74624MAB8NOTE 0.125% 4/1–$54.6M1.0%–––
American Elec PWR Co Inc02557T307UNIT 08/15/20251,094,566$54.3M1.0%+144,682+15.2%Added–
LendingTree, Inc.52603BAD9NOTE 0.500% 7/1–$52.7M1.0%–New–
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$52.7M1.0%–––
Splunk Inc848637AD6NOTE 1.125% 9/1–$52.0M1.0%–––
Summit Hotel Pptys Inc866082AA8NOTE 1.500% 2/1–$51.6M1.0%–––
Nisource Inc.65473P121UNIT 12/01/2023495,500$51.4M1.0%+148,000+42.6%Added–
Biomarin Pharmaceutical Inc09061GAH4NOTE 0.599% 8/0–$51.3M0.9%–––
Sea Ltd81141RAG5NOTE 0.250% 9/1–$51.2M0.9%–New–
Royal Caribbean Group780153BB7NOTE 4.250% 6/1–$51.1M0.9%–New–
Zynga Inc98986TAB4NOTE 0.250% 6/0–$50.8M0.9%–––
Illumina, Inc.452327AK5NOTE 8/1–$50.5M0.9%–––
Cheesecake Factory Inc163072AA9NOTE 0.375% 6/1–$47.7M0.9%–––
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$47.6M0.9%–––
Vishay Intertechnology Inc928298AP3NOTE 2.250% 6/1–$47.2M0.9%–––
MIDDLEBY Corp596278AB7NOTE 1.000% 9/0–$43.7M0.8%–New–
Snap Inc83304AAD8NOTE 0.250% 5/0–$43.7M0.8%–––
Exact Sciences Corp30063PAC9NOTE 0.375% 3/0–$43.4M0.8%–––
Ares Capital Corp04010LAW3NOTE 4.625% 3/0–$43.1M0.8%–––
Cyberark Software Ltd23248VAB1NOTE 11/1–$42.8M0.8%–––
Fireeye Inc31816QAF8NOTE 0.875% 6/0–$41.0M0.8%–––
Teradyne, Inc880770AG7NOTE 1.250%12/1–$41.0M0.8%–––
Zendesk, Inc.98936JAD3NOTE 0.625% 6/1–$41.0M0.8%–––
Meritor, Inc.59001KAF7NOTE 3.250%10/1–$38.9M0.7%–––
Twitter, Inc.90184LAF9NOTE 0.250% 6/1–$37.2M0.7%–––
Air Transport Services Grp I00922RAB1NOTE 1.125%10/1–$37.1M0.7%–––
Starwood Ppty Tr Inc85571BAH8NOTE 4.375% 4/0–$37.1M0.7%–––
Theravance Inc88338TAB0NOTE 2.125% 1/1–$37.0M0.7%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$36.5M0.7%–––
Ares Capital Corp04010LAT0NOTE 3.750% 2/0–$35.9M0.7%–––
Nextera Energy Inc65339F770UNIT 99/99/9999698,775$35.7M0.7%−1,374−0.2%Reduced–
Dexcom Inc252131AK3NOTE 0.250%11/1–$35.1M0.6%–––
InterDigital, Inc.45867GAB7NOTE 2.000% 6/0–$35.0M0.6%–––
Dominion Energy, Inc25746U133UNIT 99/99/9999353,675$34.4M0.6%−5,000−1.4%Reduced–
Exact Sciences Corp30063PAB1NOTE 0.375% 3/1–$34.2M0.6%–––
KBR, Inc.48242WAB2NOTE 2.500%11/0–$33.7M0.6%–––
Blackstone Mtg Tr Inc09257WAC4NOTE 4.750% 3/1–$33.3M0.6%–––
Integra Lifesciences Hldgs C457985AM1NOTE 0.500% 8/1–$33.2M0.6%–––
Pra Group Inc69354NAB2NOTE 3.500% 6/0–$32.8M0.6%–––
CSG Sys Intl Inc126349AF6NOTE 4.250% 3/1–$32.6M0.6%–––
Vonage Hldgs Corp92886TAJ1NOTE 1.750% 6/0–$32.1M0.6%–––
Cheniere Energy, Inc.16411RAG4NOTE 4.250% 3/1–$31.5M0.6%–––
Insulet Corp45784PAK7NOTE 0.375% 9/0–$30.4M0.6%–––
Coupa Software Inc22266LAF3NOTE 0.375% 6/1–$30.1M0.6%–––
Osi Systems Inc671044AD7NOTE 1.250% 9/0–$29.7M0.5%–––
Elanco Animal Health Inc28414H202UNIT 02/01/2023T572,988$28.6M0.5%+85,487+17.5%Added–
New Relic, Inc.64829BAB6NOTE 0.500% 5/0–$28.2M0.5%–––
Viavi Solutions Inc.925550AB1NOTE 1.000% 3/0–$27.2M0.5%–––
Redwood Tr Inc758075AC9NOTE 4.750% 8/1–$26.8M0.5%–––
Okta, Inc.679295AF2NOTE 0.375% 6/1–$26.7M0.5%–––
Zscaler, Inc.98980GAB8NOTE 0.125% 7/0–$26.5M0.5%–––
Snap Inc83304AAB2NOTE 0.750% 8/0–$24.9M0.5%–––
Stride, Inc.86333MAA6NOTE 1.125% 9/0–$24.9M0.5%–New–
Square Inc852234AF0NOTE 0.125% 3/0–$24.8M0.5%–––
NCL Corp Ltd62886HAX9NOTE 5.375% 8/0–$24.8M0.5%–New–
Southern Co842587602UNIT 08/01/2022470,313$24.0M0.4%−57,100−10.8%Reduced–
Zillow Group, Inc.98954MAH4NOTE 2.750% 5/1–$22.7M0.4%–––
Five9, Inc.338307AD3NOTE 0.500% 6/0–$21.9M0.4%–New–
Dte Energy Co233331842UNIT 11/01/2022S433,333$21.6M0.4%00.0%Unchanged–
New MTN Fin Corp647551AC4NOTE 5.750% 8/1–$21.3M0.4%–––
Q2 Hldgs Inc74736LAD1NOTE 0.750% 6/0–$21.2M0.4%–––
Penn Natl Gaming Inc707569AU3NOTE 2.750% 5/1–$21.1M0.4%–––
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$20.5M0.4%–––
LendingTree, Inc.52603BAA5NOTE 0.625% 6/0–$19.3M0.4%–––
Tesla, Inc.88160RAG6NOTE 2.000% 5/1–$19.3M0.4%–––
Cree Inc225447AD3NOTE 1.750% 5/0–$19.2M0.4%–––
INSMED Inc457669AA7NOTE 1.750% 1/1–$19.2M0.4%–––
Pegasystems Inc705573AB9NOTE 0.750% 3/0–$19.1M0.4%–––
Chegg, Inc163092AF6NOTE 9/0–$19.1M0.4%–New–
Fortive Corp34959JAK4NOTE 0.875% 2/1–$19.0M0.4%–––
TheRealReal, Inc.88339PAB7NOTE 3.000% 6/1–$19.0M0.4%–––
RBC Bearings INC75524B2035% CNV PFD SR A166,000$18.3M0.3%+166,000New–
Livongo Health Inc539183AA1NOTE 0.875% 6/0–$17.7M0.3%–––
Retrophin Inc761299AB2NOTE 2.500% 9/1–$17.5M0.3%–––

Options (5)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Advent Capital Management in Q3 2021
SecurityClassPutsCalls
Beyond Meat Inc08862E959PUT$42.0K–
American Eagle Outfitters IN02553E906CALL–$25.0K
iShares Tr464287959PUT$19.0K–
JetBlue Awys Corp477143901CALL–$18.0K
Penn Natl Gaming Inc707569959PUT$2.00K–

Sold out since Q2 2021 (44)

Positions held at the end of Q2 2021 that are gone from this filing.

Positions of Advent Capital Management sold out since Q2 2021
SecurityClassShares in Q2 2021Value in Q2 2021% of portfolio in Q2 2021History
Twitter, Inc.90184LAD4NOTE 1.000% 9/1–$56.0M1.1%–
Qiagen NVAV5355400CONV–$20.8M0.4%–
Rapid7, Inc.753422AD6NOTE 2.250% 5/0–$16.0M0.3%–
Proofpoint Inc743424AF0NOTE 0.250% 8/1–$15.8M0.3%–
Pinduoduo Inc722304AC6NOTE 12/0–$8.14M0.2%–
Fireeye Inc31816QAD3NOTE 1.625% 6/0–$7.46M0.1%–
American Elec PWR Co Inc025537127UNIT 08/01/2021141,872$6.98M0.1%–
Priceline Grp Inc741503AX4NOTE 0.900% 9/1–$6.41M0.1%–
NVDANVIDIA CorpStock6,000$4.80M0.1%History
DOVDOVER CorpCOM25,000$3.77M0.1%History
EATBrinker International, IncStock55,000$3.40M0.1%History
Farfetch Ltd30744WAD9NOTE 3.750% 5/0–$3.26M0.1%–
MDTMedtronic plcStock25,000$3.10M0.1%History
TDOCTeladoc Health, Inc.COM18,300$3.04M0.1%History
SIXSix Flags Entertainment CorpCOM70,000$3.03M0.1%History
FLYYSpirit Aviation Holdings, Inc.COM95,833$2.92M0.1%History
DOWDow Inc.Stock45,000$2.85M0.1%History
LVSLas Vegas Sands CorpCOM50,000$2.63M0.1%History
CATCaterpillar IncStock10,500$2.29M<0.1%History
VISNVistance Networks, Inc.COM80,000$1.71M<0.1%History
LRCXLam Research CorpCOM2,399$1.56M<0.1%History
DHC Acquisition CorpG2758T125UNIT 02/25/2026100,000$1.00M<0.1%–
BlackRock TCP Capital Corp.87238QAD5NOTE 4.625% 3/0–$958.0K<0.1%–
XYZBlock, Inc.CL A3,500$853.0K<0.1%History
Blackstone Mtg Tr Inc09257WAB6NOTE 4.375% 5/0–$848.0K<0.1%–
GIGCAPITAL4 Inc37518G200UNIT 99/99/999975,000$767.0K<0.1%–
GAPGap IncCOM20,000$673.0K<0.1%History
QTWOQ2 Holdings, Inc.COM5,000$513.0K<0.1%History
Soaring Eagle Acquisition CoG8354H126CL A SHS50,000$498.0K<0.1%–
Spartan Acquisition Corp. III84677R205UNIT 99/99/999940,000$402.0K<0.1%–
CSCOCisco Systems, Inc.Stock5,000$265.0K<0.1%History
SIRISirius XM Holdings Inc.COM40,000$262.0K<0.1%History
NCLHNorwegian Cruise Line Holdings Ltd.SHS1,800$53.0K<0.1%History
Mcap Acquisition Corp55282T208UNIT 02/18/20302,500$25.0K<0.1%–
Silverbox Engaged Merger Co82836L200UNIT 03/31/20282,000$20.0K<0.1%–
SFLSFL Corp Ltd.CONV–$19.0K<0.1%History
Fusion Acquisition Corp. II36118N201UNIT 02/29/20281,000$10.0K<0.1%–
Cartesian Growth CorpG19276123UNIT 02/26/2028900$9.00K<0.1%–
Teladoc Health, Inc.87918AAC9NOTE 1.375% 5/1–$6.00K<0.1%–
MRVLMarvell Technology, Inc.COM78$5.00K<0.1%History
Akamai Technologies Inc00971TAJ0NOTE 0.125% 5/0–$5.00K<0.1%–
AJRDAerojet Rocketdyne Holdings, Inc.COM58$3.00K<0.1%History
Isis Pharmaceuticals Inc Del464337AJ3NOTE 1.000%11/1–$2.00K<0.1%–
Pacira BioSciences, Inc.695127AD2NOTE 2.375% 4/0–$2.00K<0.1%–