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Advent Capital Management De 13F Portfolio

Portfolio Manager
Advent Capital Management De
Performance
+8.43% (2026 Q2)
AUM (13F)
$4.46B
# of Holdings
219
Performance Rank
Allocation (Top 20)
6.75%
Latest filing
Q2 2026

Advent Capital Management De Holdings Map

Top 30 Advent Capital Management De Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
SOMN
SOUTHERN CO
1.39%1.22M$60.8M
+8.39%(+94.10K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 917.0K shares2026-Q1: 1.12M shares2026-Q2: 1.22M shares
$5.05(+872.23%)
2026-06-30
BAPRA
BOEING CO/THE
1.37%887.4K$60.2M
+2.33%(+20.20K)
2025-Q2: 798.1K shares2025-Q3: 819.8K shares2025-Q4: 849.2K shares2026-Q1: 867.2K shares2026-Q2: 887.4K shares
$64.08(+11.06%)
2026-06-30
MCHPP
MICROCHIP TECHNOLOGY INC
1.06%603.7K$46.5M
-20.64%(-157.02K)
2025-Q2: 441.9K shares2025-Q3: 549.7K shares2025-Q4: 530.0K shares2026-Q1: 760.7K shares2026-Q2: 603.7K shares
$64.14(+6.23%)
2026-06-30
PPLCU
PPL CORPORATION
0.75%669.9K$32.7Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 669.9K shares
$50.31(-1.39%)
2026-06-30
ACVT
Advent Convertible Bond ETF
0.69%1.08M$30.1M
-0.66%(-7.10K)
2025-Q2: 990.0K shares2025-Q3: 990.0K shares2025-Q4: 990.3K shares2026-Q1: 1.08M shares2026-Q2: 1.08M shares
$26.15(+9.84%)
2026-06-30
STM
STMicroelectronics NV
0.29%172.9K$12.9Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 172.9K shares
$53.10(+5.06%)
2026-06-30
BTSGU
BRIGHTSPRING HEALTH SERV
0.14%26.4K$6.1M
+0.43%(+113)
2025-Q2: 21.0K shares2025-Q3: 17.0K shares2025-Q4: 13.5K shares2026-Q1: 26.3K shares2026-Q2: 26.4K shares
$91.29(+120.25%)
2026-06-30
STRK
STRATEGY INC
0.14%100.9K$5.9M
+3.14%(+3.07K)
2025-Q2: 39.8K shares2025-Q3: 93.2K shares2025-Q4: 105.7K shares2026-Q1: 97.8K shares2026-Q2: 100.9K shares
$75.24(-8.83%)
2026-06-30
BRKRP
BRUKER CORP
0.1%10.0K$4.4M
-85.94%(-61.12K)
2025-Q2: 0 shares2025-Q3: 112.5K shares2025-Q4: 86.7K shares2026-Q1: 71.1K shares2026-Q2: 10.0K shares
$271.58(+56.64%)
2026-06-30
GLW
Corning Inc
0.1%17.0K$4.3M
-15.00%(-3.00K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 20.0K shares2026-Q2: 17.0K shares
$111.76(+51.81%)
2026-06-30

About Advent Capital Management Deโ€™s portfolio

Advent Capital Management De reports $4.46B in US-listed equity holdings across 219 positions in its most recent 13F filing. Its largest disclosed positions are SOMN (1.4%), BAPRA (1.4%) and MCHPP (1.1%). The top 20 holdings account for 6.75% of reported assets. Its disclosed equity book has returned +21.08% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
SOMN โ€” 19.6% ($60.82M)BAPRA โ€” 19.4% ($60.21M)MCHPP โ€” 14.9% ($46.50M)PPLCU โ€” 10.5% ($32.73M)ACVT โ€” 9.7% ($30.08M)STM โ€” 4.2% ($12.95M)BTSGU โ€” 2.0% ($6.12M)STRK โ€” 1.9% ($5.93M)BRKRP โ€” 1.4% ($4.44M)GLW โ€” 1.4% ($4.34M)Other โ€” 15.1% ($46.95M)
85%in top 10
  • SOMN19.6%
  • BAPRA19.4%
  • MCHPP14.9%
  • PPLCU10.5%
  • ACVT9.7%
  • STM4.2%
  • BTSGU2.0%
  • STRK1.9%
  • BRKRP1.4%
  • GLW1.4%
  • Other15.1%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
13
PPLCUPPL CORPORATION0.8%
STMSTMicroelectronics NV0.3%
SNDKSandisk Corp0.1%
VSECUVSE CORP0.1%
+9 opened
Added to
7
SOMNSOUTHERN CO+8.4%
WWayfair Inc+1347.2%
BAPRABOEING CO/THE+2.3%
STRKSTRATEGY INC+3.1%
+3 more
Trimmed
8
BRKRPBRUKER CORP-85.9%
MCHPPMICROCHIP TECHNOLOGY INC-20.6%
CIFRCipher Digital Inc-33.3%
AMZNAmazon.com Inc-31.3%
+4 more

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Source filings

Holdings on this page are parsed from Advent Capital Management Deโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1097278). View Advent Capital Management Deโ€™s 13F filings on SEC

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