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Twin Securities 13F Portfolio ยท David Simon

Portfolio Manager
David Simon
Performance
+3.12% (2026 Q2)
AUM (13F)
$223.45M
# of Holdings
11
Performance Rank
Allocation (Top 20)
99.82%
Latest filing
Q2 2026

Twin Securities INC Holdings Map

Top 10 Twin Securities INC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
EA
ELECTRONIC ARTS INC
55.33%528.4K$108.4M
+18.23%(+81.49K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 239.8K shares2026-Q1: 446.9K shares2026-Q2: 528.4K shares
$203.56(+3.02%)
2026-06-30
WBD
WARNER BROS DISCOVERY INC
10.99%807.0K$21.5M
-37.92%(-492.90K)
2025-Q2: 0 shares2025-Q3: 127.7K shares2025-Q4: 1.11M shares2026-Q1: 1.30M shares2026-Q2: 807.0K shares
$23.89(+16.62%)
2026-06-30
APGE
APOGEE THERAPEUTICS INC
8.13%120.0K$15.9Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 120.0K shares
$105.72(+27.26%)
2026-06-30
ROKU
ROKU INC
7.45%105.7K$14.6Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 105.7K shares
$113.19(+39.31%)
2026-06-30
KVUE
KENVUE INC
7.37%755.0K$14.4M
+57.12%(+274.46K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 405.6K shares2026-Q1: 480.5K shares2026-Q2: 755.0K shares
$17.31(+10.91%)
2026-06-30
BLD
TOPBUILD COR
7.23%39.9K$14.2Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 39.9K shares
$344.96(+2.77%)
2026-06-30
PSKY
PARAMOUNT SKYDANCE CORP
1.69%334.7K$3.3Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 334.7K shares
$9.39(+7.99%)
2026-06-30
OGN
ORGANON & CO
1.21%175.1K$2.4Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 175.1K shares
$9.62(+42.62%)
2026-06-30
TIC
TIC SOLUTIONS INC
0.32%77.3K$626K
+0.00%(+0)
2025-Q2: 434.6K shares2025-Q3: 123.1K shares2025-Q4: 77.3K shares2026-Q1: 77.3K shares2026-Q2: 77.3K shares
$11.12(-11.43%)
2026-06-30
NSC
NORFOLK SOUTHN CORP
0.1%652$205Knew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 25.2K shares2026-Q1: 0 shares2026-Q2: 652 shares
$294.57(+16.09%)
2026-06-30

About Twin Securities INCโ€™s portfolio

Twin Securities INC reports $223.45M in US-listed equity holdings across 11 positions in its most recent 13F filing. Its largest disclosed positions are EA (55.3%), WBD (11.0%) and APGE (8.1%). The top 20 holdings account for 99.82% of reported assets. Its disclosed equity book has returned +79.86% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
EA โ€” 55.4% ($108.35M)WBD โ€” 11.0% ($21.51M)APGE โ€” 8.1% ($15.93M)ROKU โ€” 7.5% ($14.60M)KVUE โ€” 7.4% ($14.43M)BLD โ€” 7.2% ($14.16M)PSKY โ€” 1.7% ($3.30M)OGN โ€” 1.2% ($2.37M)TIC โ€” 0.3% ($625.7K)NSC โ€” 0.1% ($205.1K)
100%in top 10
  • EA55.4%
  • WBD11.0%
  • APGE8.1%
  • ROKU7.5%
  • KVUE7.4%
  • BLD7.2%
  • PSKY1.7%
  • OGN1.2%
  • TIC0.3%
  • NSC0.1%

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
6
APGEAPOGEE THERAPEUTICS INC8.1%
ROKUROKU INC7.5%
BLDTOPBUILD COR7.2%
PSKYPARAMOUNT SKYDANCE CORP1.7%
+2 opened
Added to
2
EAELECTRONIC ARTS INC+18.2%
KVUEKENVUE INC+57.1%
Trimmed
1
WBDWARNER BROS DISCOVERY INC-37.9%

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Source filings

Holdings on this page are parsed from Twin Securities INCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1351351). View Twin Securities INCโ€™s 13F filings on SEC

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