ADVENT CAPITAL MANAGEMENT /DE/

Fundamental concentrated ★Signal CIK 1097278
Long book
$878.8M
Q1 2026
Positions
52
Top-10 weight
79%
concentration
Last quarter
+10.3%
SPY +14.8%
Turnover
51%
of book per quarter

Strategy in plain words

auto-generated from filings

ADVENT CAPITAL MANAGEMENT /DE/ is a concentrated fundamental stock-picker, running a $878.8M US long book across 52 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: BANK OF AMERICA CORP, NEXTERA ENERGY INC, KKR & CO INC, APOLLO GLOBAL MANAGEMENT, SOUTHERN CO.

Over the last 9 quarters its long book ran on average 1.3pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+1.8%
Q2 2024
+9.5%
Q3 2024
+3.8%
Q4 2024
-5.9%
Q1 2025
+9.3%
Q2 2025
+1.5%
Q3 2025
+4.7%
Q4 2025
-6.2%
Q1 2026
+10.3%

Sector allocation

Other
43%
Utilities
22%
Financials
15%
Technology
8%
Healthcare
3%
Consumer discretionary
3%
Industrials
3%
Services media
2%

Long book by quarter

$711.4M
Q1 2024
$704.8M
Q2 2024
$836.1M
Q3 2024
$856.5M
Q4 2024
$933.0M
Q1 2025
$1.00B
Q2 2025
$1.05B
Q3 2025
$1.11B
Q4 2025
$878.8M
Q1 2026

What does ADVENT CAPITAL own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
BAC 7.25 PERP L BANK OF AMERICA CORP149.2K$178.0M20.3%-5.2%
NEE NEXTERA ENERGY INCUtilities1.9M$109.5M12.5%-2.6%
KKR KKR & CO INCFinancials2.0M$82.5M9.4%+2.4%
APO 6.75 07/31/26 APOLLO GLOBAL MANAGEMENT1.3M$76.7M8.7%+2.0%
SO SOUTHERN COUtilities1.1M$58.1M6.6%+22.3%
BA 6 10/15/27 BOEING CO/THE867.2K$56.4M6.4%+2.1%
MCHP MICROCHIP TECHNOLOGY INCTechnology760.7K$43.5M4.9%+43.5%
ARES ARES MANAGEMENT CORPFinancials933.1K$34.7M4.0%+1.4%
HPE 7.625 09/01/27 HP ENTERPRISE CO375.6K$24.4M2.8%-28.8%
BRKR BRUKER CORPHealthcare71.1K$20.6M2.3%-18.0%
QXO QXO INCConsumer discretionary367.5K$20.5M2.3%+38.5%
PCG PG&E CORPUtilities470.4K$20.3M2.3%+0.8%
WFC 7.5 PERP L WELLS FARGO & COMPANY148.2K$17.2M2.0%-6.0%
NOVT NOVANTA INCTechnology287.6K$15.4M1.8%-50.6%
FOUR SHIFT4 PAYMENTS INCServices media247.2K$13.2M1.5%-23.6%
MSTR 8 PERP STRATEGY INC97.8K$7.0M0.8%-7.5%
ALB ALBEMARLE CORPMaterials81.3K$5.8M0.7%+4.6%
BTSG 6.75 02/01/27 BRIGHTSPRING HEALTH SERV26.3K$3.8M0.4%+94.5%
GM GENERAL MOTORS COIndustrials50.0K$3.7M0.4%+25.0%
UAL UNITED AIRLINES HOLDINGS INCIndustrials40.0K$3.7M0.4%New
NOW SERVICENOW INCTechnology35.0K$3.7M0.4%New
ETN EATON CORP PLCIndustrials10.0K$3.6M0.4%-23.1%
SPOT SPOTIFY TECHNOLOGY SACommunications7.0K$3.4M0.4%New
AMZN AMAZON.COM INCConsumer discretionary16.0K$3.3M0.4%New
ABBV ABBVIE INCHealthcare15.0K$3.3M0.4%Held
CCL CARNIVAL CORP LTDIndustrials125.0K$3.2M0.4%+25.0%
CRWD CROWDSTRIKE HOLDINGS INC - ATechnology8.0K$3.1M0.4%New
MS MORGAN STANLEYFinancials18.0K$3.0M0.3%New
IBM INTL BUSINESS MACHINES CORPTechnology12.0K$2.9M0.3%New
GOOG ALPHABET INC-CL CTechnology10.0K$2.9M0.3%New
GE GENERAL ELECTRICIndustrials10.0K$2.8M0.3%New
C CITIGROUP INCFinancials25.0K$2.8M0.3%New
GLW CORNING INCIndustrials20.0K$2.7M0.3%New
COMP COMPASS INC - CLASS AReal estate341.7K$2.5M0.3%New
MTB M & T BANK CORPFinancials12.0K$2.5M0.3%New
STXN SEAGATE TECHNOLOGY HOLDINGS6.0K$2.4M0.3%New
CPA COPA HOLDINGS SA-CLASS AIndustrials19.0K$2.2M0.2%New
BE BLOOM ENERGY CORP- AIndustrials15.0K$2.0M0.2%New
CIFR CIPHER DIGITAL INCFinancials150.0K$1.9M0.2%New
AAPL APPLE INCTechnology3.0K$761K0.1%New
FTAI FTAI AVIATION LTDServices media940$230K0.0%New
QGEN QIAGEN N.V.Healthcare3.9K$156K0.0%New
W WAYFAIR INC- CLASS AConsumer discretionary2.1K$156K0.0%New
ESPR ESPERION THERAPEUTICS INCHealthcare50.0K$137K0.0%-44.4%
BBAI BIGBEAR.AI HOLDINGS INCTechnology20.0K$70K0.0%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 7, 2026215$3.63B canonicalSEC ↗
Q4 202513F-HRFeb 9, 2026228$4.98B canonicalSEC ↗
Q3 202513F-HRNov 13, 2025227$4.59B canonicalSEC ↗
Q2 202513F-HRAug 13, 2025237$4.70B canonicalSEC ↗
Q1 202513F-HRMay 12, 2025214$4.56B canonicalSEC ↗
Q4 202413F-HRFeb 13, 2025209$4.33B canonicalSEC ↗
Q3 202413F-HRNov 13, 2024227$4.11B canonicalSEC ↗
Q2 202413F-HRAug 13, 2024198$4.17B canonicalSEC ↗
Q1 202413F-HRMay 14, 2024187$3.93B canonicalSEC ↗