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ADVENT CAPITAL MANAGEMENT /DE/ — 13F Holdings & Portfolio

CIK 1097278 · latest 13F-HR filed 2026-08-11

Backtest portfolio

ADVENT CAPITAL MANAGEMENT /DE/ manages $4.46B in 13F-reported U.S. long-equity assets across 238 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BACPL (4.12%), WFCPL (3.96%), UBER (3.28%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 63 new positions and exited 47; 70 existing positions rose in reported value and 48 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$4.46B

Long-equity book

Holdings
238

Distinct positions

Period
2026-06-30

Filed 2026-08-11

Q/Q Activity
+63 / −47 / ↑70 / ↓48

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
BACPL4.2% · -2%WFCPL4.0% · +3%UBER3.9% · +20%DASH3.2% · newNEEPS2.4% · +1%AKAM2.3% · +93%CMS2.1% · +11%PPL2.1% · newGPN1.9% · -6%SMCI1.9% · +68%GOOGM1.9% · newKKRPD1.9% · +0%WDC1.7% · -18%AVAV1.7% · +32%APO1.5% · -16%SNOW1.5% · +16%GOOGN1.5% · newSOMN1.4% · +8%BAPA1.4% · +2%TTEK1.3% · +35%MHIFF1.3% · +34%RIVN1.2% · +24%GME1.2% · newIRTC1.2% · newNEE1.2% · newSO1.2% · +8%PSAPF1.1% · newFE1.1% · newMTH1.1% · -9%CNP1.1% · -1%WEC1.1% · +19%ORCLPD1.1% · newMCHPP1.1% · -21%PCG1.0% · -4%AFRM0.9% · -47%VAC0.9% · -1%ARESPB0.8% · +1%NCLH0.8% · newMCHP0.8% · +625%ATEC0.8% · +756%COIN0.8% · +165%PSN0.8% · +2%PPLC0.7% · newGWRE0.7% · -15%RUN0.7% · +5%ACVT0.7% · -1%BBIO0.7% · +18%UPST0.7% · +30%DKNG0.7% · -4%ARRY0.6% · +22%DDOG0.6% · -77%CELC0.6% · +2112%PRCH0.6% · +461%NTNX0.6% · +17%LYV0.6% · -36%CLSK0.6% · -16%TRPCF0.6% · -16%RGEN0.6% · +15%ETSY0.5% · -17%USFD0.5% · new

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 28%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$91.63B
Discretionary
$91.63B
Employees
262
Accounts
133
Address
800 BOYLSTON STREET
33RD FLOOR
BOSTON, MA 02199
Phone
(617) 951-9400
Website
Name Title / Status Ownership Type
ADVENT INTERNATIONAL GP, LLC ControlGENERAL PARTNERLess than 5%Domestic Entity
ADVENT INTERNATIONAL GP, LLC ControlGENERAL PARTNERGeneral partnerDomestic Entity
BROCKLEBANK, JAMES, GERALD ARTHUR ControlEXECUTIVE OFFICERS' COMMITTEE MEMBERLess than 5%Individual
MALANI, SHONNEL ControlEXECUTIVE OFFICERS' COMMITTEE MEMBERLess than 5%Individual
MALDONADO, JOHN, LEONARD ControlEXECUTIVE OFFICERS' COMMITTEE MEMBERLess than 5%Individual
PADUCH, JEFFREY, DAVID ControlEXECUTIVE OFFICERS' COMMITTEE MEMBERLess than 5%Individual
ADVENT PARTNER HOLDINGS, L.P.LIMITED PARTNER50–75%Domestic Entity
AIC MANAGER HOLDINGS, L.P.LIMITED PARTNER75% or moreDomestic Entity
AIC PARENT, INC.LIMITED PARTNER25–50%Domestic Entity
Gentile, Susan, AnneCHIEF FINANCIAL OFFICERLess than 5%Individual
MINER, HEATHER, KENNEDYCHIEF OPERATING OFFICERLess than 5%Individual
ZUZENAK, HEATHER, ROSSCHIEF COMPLIANCE OFFICERLess than 5%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 70 →

Top Trims

Show all 48 →

New Positions

Show all 63 →

Exited Positions

Show all 47 →

ADVENT CAPITAL MANAGEMENT /DE/ Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 BANK OF AMERICA CORP BACPL 060505682 $183.9M 4.12% 146,276 SH
2 WELLS FARGO & COMPANY WFCPL 949746804 $176.6M 3.96% 152,080 SH
3 UBER TECHNOLOGIES INC UBER 90353TAM2 $146.4M 3.28% 122,088,000 PRN
4 DOORDASH INC DASH 25809KAB1 $139.3M 3.12% 141,271,000 PRN
5 NEXTERA ENERGY INC NEEPS 65339F663 $104.8M 2.35% 1,953,959 SH
6 CMS ENERGY CORP CMS 125896BX7 $92.3M 2.07% 82,240,000 PRN
7 PPL CAPITAL FUNDING INC — 69352PAS2 $91.7M 2.05% 80,083,000 PRN
8 GLOBAL PAYMENTS INC GPN 37940XAU6 $85.1M 1.91% 94,075,000 PRN
9 ALPHABET INC GOOGM 02079K404 $82.7M 1.85% 1,638,841 SH
10 AKAMAI TECHNOLOGIES INC AKAM 00971TAQ4 $82.4M 1.85% 56,426,000 PRN
11 KKR & CO INC KKRPD 48251W500 $82.0M 1.84% 2,056,082 SH
12 WESTERN DIGITAL CORP WDC 958102AT2 $76.1M 1.70% 4,513,000 PRN
13 AEROVIRONMENT INC AVAV 008073AA6 $72.5M 1.63% 75,871,000 PRN
14 APOLLO GLOBAL MANAGEMENT APO 03769M304 $66.4M 1.49% 1,088,860 SH
15 SNOWFLAKE INC SNOW 833445AD1 $63.9M 1.43% 36,106,000 PRN
16 ALPHABET INC GOOGN 02079K602 $63.9M 1.43% 1,267,980 SH
17 SOUTHERN CO SOMN 842587842 $60.8M 1.36% 1,215,477 SH
18 BOEING CO/THE BAPA 097023204 $60.2M 1.35% 887,378 SH
19 TETRA TECH INC TTEK 88162GAB9 $57.2M 1.28% 53,812,000 PRN
20 IRHYTHM HOLDINGS INC IRTC 450056AB2 $52.5M 1.18% 47,419,000 PRN
21 NEXTERA ENERGY CAPITAL — 65339KCY4 $51.5M 1.15% 38,877,000 PRN
22 CLOUDFLARE INC NET 18915MAF4 $50.2M 1.13% 39,635,000 PRN
23 FIRSTENERGY CORP FE 337932AV9 $50.1M 1.12% 44,372,000 PRN
24 MERITAGE HOMES CORP MTH 59001ABF8 $50.1M 1.12% 48,267,000 PRN
25 CENTERPOINT ENERGY INC CNP 15189TBD8 $49.8M 1.12% 40,768,000 PRN
26 WEC ENERGY GROUP INC WEC 92939UAR7 $48.8M 1.09% 39,229,000 PRN
27 ORACLE CORP ORCLPD 68389X204 $47.6M 1.07% 1,055,583 SH
28 MICROCHIP TECHNOLOGY INC MCHPP 595017302 $46.5M 1.04% 603,716 SH
29 SOUTHERN CO SO 842587DZ7 $44.9M 1.01% 40,642,000 PRN
30 RIVIAN AUTO INC RIVN 76954AAD5 $44.7M 1.00% 41,593,000 PRN
31 SUPER MICRO COMPUTER INC SMCI 86800UAB0 $44.0M 0.99% 47,021,000 PRN
32 PG&E CORP PCG 69331CAL2 $43.8M 0.98% 42,689,000 PRN
33 AFFIRM HOLDINGS INC AFRM 00827BAD8 $41.4M 0.93% 35,372,000 PRN
34 MARRIOTT VACATION WORLDW VAC 57164YAF4 $38.3M 0.86% 38,888,000 PRN
35 STRATEGY INC MHIFF 594972AL5 $35.8M 0.80% 38,723,000 PRN
36 ARES MANAGEMENT CORP ARESPB 03990B309 $35.6M 0.80% 939,089 SH
37 NCL CORPORATION LTD — 62886HBT7 $35.2M 0.79% 31,489,000 PRN
38 MICROCHIP TECHNOLOGY INC MCHP 595017BG8 $35.0M 0.78% 31,723,000 PRN
39 ALPHATEC HOLDINGS INC ATEC 02081GAD4 $33.7M 0.76% 35,108,000 PRN
40 COINBASE GLOBAL INC COIN 19260QAF4 $33.1M 0.74% 36,881,000 PRN
41 PARSONS CORP PSN 70202LAD4 $33.1M 0.74% 33,272,000 PRN
42 PPL CORPORATION PPLC 69351T866 $32.7M 0.73% 669,904 SH
43 GUIDEWIRE SOFTWARE INC GWRE 40171VAC4 $31.7M 0.71% 32,838,000 PRN
44 SUNRUN INC RUN 86771WAD7 $30.8M 0.69% 25,649,000 PRN
45 Advent Convertible Bond ETF ACVT 75526L845 $30.1M 0.67% 1,076,400 SH
46 DRAFTKINGS HOLDINGS INC DKNG 26142RAB0 $29.1M 0.65% 31,277,000 PRN
47 State Street SPDR S&P 500 ETF Put SPY 78462F103 $28.8M 0.64% 38,500 SH
48 GAMESTOP CORP GME 36467WAG4 $28.7M 0.64% 28,165,000 PRN
49 SUPER MICRO COMPUTER INC SMCI 86800UAF1 $27.5M 0.62% 30,992,000 PRN
50 DATADOG INC DDOG 23804LAD5 $26.1M 0.58% 18,322,000 PRN
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-11 $4.46B 238 0001140361-26-032210
2026-03-31 2026-05-07 $3.63B 215 0001140361-26-019477
2025-12-31 2026-02-09 $4.98B 228 0001140361-26-004346
Filer Information
Address
888 SEVENTH AVENUE, 31ST FLOOR
NEW YORK, NY 10019
Phone
(212) 482-1600
Filing Manager
ADVENT CAPITAL MANAGEMENT /DE/
NEW YORK, NY
Signatory
Stephen Ellwood
General Counsel and Chief Compliance Officer