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Advent Capital Management

SEC CIK
0001097278
Latest filing
Aug 11, 2026

Holdings in Q2 2021

Holdings as of Jun 30, 2021, filed Aug 16, 2021. Long positions only; changes compare share counts with Q1 2021.

Institution overview
Positions
252
+5 vs. Q1 2021
Portfolio value
$5.14B
+$501.4M (+10.8%) vs. Q1 2021
Filed
Aug 16, 2021
SEC
Holdings of Advent Capital Management in Q2 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
Pioneer Nat Res Co723787AP2NOTE 0.250% 5/1–$158.9M3.1%–New–
Southwest Airls Co844741BG2NOTE 1.250% 5/0–$152.7M3.0%–––
DISH Network CORP25470MAB5NOTE 3.375% 8/1–$128.6M2.5%–––
Palo Alto Networks Inc697435AF2NOTE 0.375% 6/0–$120.0M2.3%–New–
Booking Holdings Inc.09857LAN8NOTE 0.750% 5/0–$119.7M2.3%–New–
RingCentral, Inc.76680RAF4NOTE 3/0–$110.6M2.2%–––
Western Digital Corp958102AP0NOTE 1.500% 2/0–$106.1M2.1%–––
Dexcom Inc252131AK3NOTE 0.250%11/1–$105.3M2.0%–New–
Euronet Worldwide, Inc.298736AL3NOTE 0.750% 3/1–$103.3M2.0%–––
Stanley Black & Decker, Inc.854502846UNIT 11/15/2022776,900$93.6M1.8%−41,679−5.1%Reduced–
Pebblebrook Hotel Tr70509VAA8NOTE 1.750%12/1–$91.1M1.8%–––
NRG Energy, Inc.629377CG5DBCV 2.750% 6/0–$83.3M1.6%–––
Teladoc Health, Inc.87918AAF2NOTE 1.250% 6/0–$82.4M1.6%–New–
Fireeye Inc31816QAF8NOTE 0.875% 6/0–$80.4M1.6%–––
Illumina, Inc.452327AK5NOTE 8/1–$76.4M1.5%–––
Workday, Inc.98138HAF8NOTE 0.250%10/0–$73.4M1.4%–––
Biomarin Pharmaceutical Inc09061GAK7NOTE 1.250% 5/1–$71.2M1.4%–New–
Herbalife Ltd.42703MAD5NOTE 2.625% 3/1–$67.6M1.3%–––
Liberty Media Corp Del531229AB8NOTE 1.375%10/1–$63.0M1.2%–––
Alteryx, Inc.02156BAF0NOTE 1.000% 8/0–$61.4M1.2%–––
Teradyne, Inc880770AG7NOTE 1.250%12/1–$59.7M1.2%–––
Splunk Inc848637AC8NOTE 0.500% 9/1–$59.6M1.2%–New–
Nuvasive Inc670704AJ4NOTE 0.375% 3/1–$58.4M1.1%–––
Twitter, Inc.90184LAD4NOTE 1.000% 9/1–$56.0M1.1%–––
Wellpoint Inc94973VBG1NOTE 2.750%10/1–$55.8M1.1%–––
Microchip Technology Inc595017AU8NOTE 0.125%11/1–$55.0M1.1%–––
Nextera Energy Inc65339F739UNIT 99/99/99991,118,267$54.8M1.1%−338,432−23.2%Reduced–
Biomarin Pharmaceutical Inc09061GAH4NOTE 0.599% 8/0–$54.3M1.1%–––
Splunk Inc848637AF1NOTE 1.125% 6/1–$54.1M1.1%–New–
Pure Storage Inc74624MAB8NOTE 0.125% 4/1–$54.0M1.0%–––
Summit Hotel Pptys Inc866082AA8NOTE 1.500% 2/1–$52.2M1.0%–––
Twitter, Inc.90184LAF9NOTE 0.250% 6/1–$51.8M1.0%–––
American Elec PWR Co Inc02557T307UNIT 08/15/2025949,884$48.6M0.9%+193,302+25.5%Added–
Vishay Intertechnology Inc928298AP3NOTE 2.250% 6/1–$47.8M0.9%–––
Fortive Corp34959JAK4NOTE 0.875% 2/1–$47.1M0.9%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$44.4M0.9%–––
Zynga Inc98986TAB4NOTE 0.250% 6/0–$42.5M0.8%–––
Ares Capital Corp04010LAW3NOTE 4.625% 3/0–$41.0M0.8%–––
Snap Inc83304AAD8NOTE 0.250% 5/0–$40.3M0.8%–New–
Ares Capital Corp04010LAT0NOTE 3.750% 2/0–$40.2M0.8%–––
Snap Inc83304AAB2NOTE 0.750% 8/0–$38.9M0.8%–––
Air Transport Services Grp I00922RAB1NOTE 1.125%10/1–$38.8M0.8%–––
Starwood Ppty Tr Inc85571BAH8NOTE 4.375% 4/0–$38.5M0.7%–––
Akamai Technologies Inc00971TAL5NOTE 0.375% 9/0–$38.2M0.7%–––
Jazz Investments I Ltd472145AF8NOTE 2.000% 6/1–$37.9M0.7%–New–
Jazz Investments I Ltd472145AD3NOTE 1.500% 8/1–$37.3M0.7%–––
Theravance Inc88338TAB0NOTE 2.125% 1/1–$36.9M0.7%–––
KBR, Inc.48242WAB2NOTE 2.500%11/0–$36.7M0.7%–––
Exact Sciences Corp30063PAB1NOTE 0.375% 3/1–$36.3M0.7%–––
Nisource Inc.65473P121UNIT 12/01/2023347,500$35.7M0.7%+347,500New–
Dominion Energy, Inc25746U133UNIT 99/99/9999358,675$35.1M0.7%−18,200−4.8%Reduced–
Pra Group Inc69354NAB2NOTE 3.500% 6/0–$34.6M0.7%–––
Nextera Energy Inc65339F770UNIT 99/99/9999700,149$34.1M0.7%−21,762−3.0%Reduced–
CSG Sys Intl Inc126349AF6NOTE 4.250% 3/1–$32.3M0.6%–––
Zendesk, Inc.98936JAD3NOTE 0.625% 6/1–$31.8M0.6%–New–
Integra Lifesciences Hldgs C457985AM1NOTE 0.500% 8/1–$31.4M0.6%–––
Meritor, Inc.59001KAF7NOTE 3.250%10/1–$31.3M0.6%–––
Square Inc852234AF0NOTE 0.125% 3/0–$31.1M0.6%–New–
Cheniere Energy, Inc.16411RAG4NOTE 4.250% 3/1–$30.9M0.6%–––
Insulet Corp45784PAK7NOTE 0.375% 9/0–$30.7M0.6%–––
Vonage Hldgs Corp92886TAJ1NOTE 1.750% 6/0–$30.5M0.6%–––
Osi Systems Inc671044AD7NOTE 1.250% 9/0–$30.3M0.6%–––
InterDigital, Inc.45867GAB7NOTE 2.000% 6/0–$30.1M0.6%–––
Spirit Airls Inc848577AB8NOTE 1.000% 5/1–$29.9M0.6%–New–
Alteryx, Inc.02156BAD5NOTE 0.500% 8/0–$29.8M0.6%–––
Okta, Inc.679295AF2NOTE 0.375% 6/1–$27.9M0.5%–New–
Nutanix, Inc.67059NAB4NOTE 1/1–$26.6M0.5%–––
Southern Co842587602UNIT 08/01/2022527,413$26.6M0.5%+5,500+1.1%Added–
Redwood Tr Inc758075AC9NOTE 4.750% 8/1–$26.4M0.5%–––
Elanco Animal Health Inc28414H202UNIT 02/01/2023T487,501$26.1M0.5%+134,951+38.3%Added–
Zillow Group, Inc.98954MAH4NOTE 2.750% 5/1–$26.0M0.5%–––
Cyberark Software Ltd23248VAB1NOTE 11/1–$25.1M0.5%–––
New Relic, Inc.64829BAB6NOTE 0.500% 5/0–$25.0M0.5%–––
Tabula Rasa HealthCare, Inc.873379AA9NOTE 1.750% 2/1–$24.7M0.5%–––
Tesla, Inc.88160RAG6NOTE 2.000% 5/1–$24.4M0.5%–––
Splunk Inc848637AD6NOTE 1.125% 9/1–$24.2M0.5%–––
Q2 Hldgs Inc74736LAD1NOTE 0.750% 6/0–$23.1M0.4%–––
MongoDB, Inc.60937PAD8NOTE 0.250% 1/1–$22.7M0.4%–––
Cree Inc225447AD3NOTE 1.750% 5/0–$22.6M0.4%–New–
Silicon Laboratories Inc.826919AD4NOTE 0.625% 6/1–$22.0M0.4%–New–
Dte Energy Co233331842UNIT 11/01/2022S433,333$21.4M0.4%−207,900−32.4%Reduced–
Benefitfocus, Inc.08180DAB2NOTE 1.250%12/1–$20.9M0.4%–––
Qiagen NVAV5355400CONV–$20.8M0.4%–––
EQT Corp26884LAK5NOTE 1.750% 5/0–$20.1M0.4%–New–
New MTN Fin Corp647551AC4NOTE 5.750% 8/1–$19.8M0.4%–––
Livongo Health Inc539183AA1NOTE 0.875% 6/0–$19.7M0.4%–New–
Zscaler, Inc.98980GAB8NOTE 0.125% 7/0–$19.6M0.4%–New–
INSMED Inc457669AA7NOTE 1.750% 1/1–$19.4M0.4%–––
Penn Natl Gaming Inc707569AU3NOTE 2.750% 5/1–$19.1M0.4%–––
Ionis Pharmaceuticals Inc462222AB6NOTE 0.125%12/1–$18.4M0.4%–––
Pegasystems Inc705573AB9NOTE 0.750% 3/0–$18.3M0.4%–––
LendingTree, Inc.52603BAA5NOTE 0.625% 6/0–$18.3M0.4%–––
Microchip Technology Inc595017AF1NOTE 1.625% 2/1–$17.5M0.3%–––
Zillow Group, Inc.98954MAE1NOTE 0.750% 9/0–$16.9M0.3%–––
Viavi Solutions Inc.925550AB1NOTE 1.000% 3/0–$16.5M0.3%–––
AES Corp00130H204UNIT 99/99/9999153,022$16.3M0.3%+68,082+80.2%Added–
Rapid7, Inc.753422AD6NOTE 2.250% 5/0–$16.0M0.3%–New–
Lyft, Inc.55087PAB0NOTE 1.500% 5/1–$15.9M0.3%–New–
Palo Alto Networks Inc697435AD7NOTE 0.750% 7/0–$15.9M0.3%–––
Coupa Software Inc22266LAF3NOTE 0.375% 6/1–$15.8M0.3%–New–

Options (9)

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 Q2 2021
SecurityClassPutsCalls
Teladoc Health Inc87918A905CALL–$151.0K
Alibaba Group Hldg Ltd01609W902CALL–$129.0K
American Airls Group Inc02376R952PUT$92.0K–
Gap Inc364760908CALL–$50.0K
Invesco Exch Traded FD Tr II46138G906CALL–$46.0K
Solaredge Technologies Inc83417M904CALL–$46.0K
Zillow Group Inc98954M900CALL–$20.0K
Ford MTR Co Del345370900CALL–$17.0K
Gap Inc364760958COM$3.00K–

Sold out since Q1 2021 (47)

Positions held at the end of Q1 2021 that are gone from this filing.

Positions of Advent Capital Management sold out since Q1 2021
SecurityClassShares in Q1 2021Value in Q1 2021% of portfolio in Q1 2021History
Tesla, Inc.88160RAD3NOTE 2.375% 3/1–$73.8M1.6%–
Liberty Media Corp Del531229AE2DEB 2.250% 9/3–$44.3M1.0%–
Illumina, Inc.452327AH2NOTE 0.500% 6/1–$36.5M0.8%–
Micron Technology Inc595112AX1NOTE 3.125% 5/0–$30.2M0.7%–
SYNAPTICS Inc87157DAD1NOTE 0.500% 6/1–$26.3M0.6%–
Intercept Pharmaceuticals IN45845PAA6NOTE 3.250% 7/0–$22.8M0.5%–
Pluralsight Inc72941BAB2NOTE 0.375% 3/0–$19.6M0.4%–
Zillow Group, Inc.98954MAC5NOTE 1.500% 7/0–$17.2M0.4%–
United States STL Corp New912909AT5NOTE 5.000%11/0–$16.0M0.3%–
Realpage Inc75606NAC3NOTE 1.500% 5/1–$13.8M0.3%–
Nuance Communications, Inc.67020YAN0NOTE 1.250% 4/0–$11.7M0.3%–
Square Inc852234AD5NOTE 0.500% 5/1–$3.50M0.1%–
Nuance Communications, Inc.67020YAK6DBCV 1.000%12/1–$3.50M0.1%–
VRTXVertex Pharmaceuticals IncStock15,000$3.22M0.1%History
DDDuPont de Nemours, Inc.COM40,000$3.09M0.1%History
MLMMartin Marietta Materials IncCOM8,000$2.69M0.1%History
PENNPENN Entertainment, Inc.COM25,000$2.62M0.1%History
URIUnited Rentals, Inc.COM5,151$1.70M<0.1%History
SJISouth Jersey Industries IncCOM31,000$700.0K<0.1%History
Soaring Eagle Acquisition CoG8354H100UNIT 02/23/202650,000$506.0K<0.1%–
Austerlitz Acquisition CorpG0633D117UNIT 99/99/999950,000$502.0K<0.1%–
LUVSouthwest Airlines CoCOM7,000$427.0K<0.1%History
Rapid7, Inc.753422AB0NOTE 1.250% 8/0–$287.0K<0.1%–
Decarbonization Plus Acqu II242794204UNIT 01/19/202620,000$201.0K<0.1%–
PTONPeloton Interactive, Inc.CL A COM1,600$180.0K<0.1%History
Sunpower Corp867652AL3DBCV 4.000% 1/1–$57.0K<0.1%–
BLBlackline, Inc.COM500$54.0K<0.1%History
Scorpio Tankers Inc.80918TAB5NOTE 3.000% 5/1–$25.0K<0.1%–
Liberty Media Acquisition Corp53073L112*W EXP 01/22/2028,000$24.0K<0.1%–
Huazhu Group Ltd16949NAC3NOTE 0.375%11/0–$18.0K<0.1%–
Coupa Software Inc22266LAC0NOTE 0.125% 6/1–$14.0K<0.1%–
DocuSign, Inc.256163AB2NOTE 0.500% 9/1–$14.0K<0.1%–
Twilio Inc90138FAB8NOTE 0.250% 6/0–$14.0K<0.1%–
Hercules Inc427098116WRNT1,100$13.0K<0.1%–
26 Capital Acquisition Corp.90138P118*W EXP 12/31/20212,499$10.0K<0.1%–
ETSYEtsy IncCOM45$9.00K<0.1%History
AMATApplied Materials IncStock59$8.00K<0.1%History
Colony Starwood Homes19625XAB8NOTE 3.500% 1/1–$7.00K<0.1%–
Inphi Corp45772F107COM34$6.00K<0.1%–
EXASExact Sciences CorpCOM39$5.00K<0.1%History
PG&E Corp69331C140UNIT 99/99/999944$5.00K<0.1%–
DXCMDexcom IncCOM12$4.00K<0.1%History
Atlas Air Worldwide Hldgs IN049164BH8NOTE 2.250% 6/0–$3.00K<0.1%–
ONOn Semiconductor CorpStock51$2.00K<0.1%History
WDAYWorkday, Inc.CL A7$2.00K<0.1%History
SLABSilicon Laboratories Inc.Stock4$1.00K<0.1%History
RIGTransocean Ltd.REGISTERED SHS97$00.0%History