Twin Securities, Inc. — 13F Holdings

2026 Q2  ·  25 Positions

2026 Q2 Portfolio Activity

In 2026 Q2, Twin Securities, Inc. maintained a portfolio of 25 distinct positions. The most significant new addition was APOGEE THERAPEUTICS INC, now representing 7.13% of the total fund value. They heavily accumulated shares in ELECTRONIC ARTS INC, increasing the position by 18.2%. The fund also reduced its exposure to ELECTRONIC ARTS INC by 92.0%.
Position History hover any row below to update
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PCA Score Concentration Risk
Risk ENB
Total Positions
25
Quarter
2026 Q2
Top Holding
EA (48.5%)
Top 10 Concentration
99.5%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-25 of 25

Twin Securities, Inc. Full Holdings List — 2026 Q2

Stock History Sector / Type Port % Prev % Rank / Prev Conviction
Freshness
Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
EA
ELECTRONIC ARTS...
Communication Services 48.49% 44.21% #1
Prev: #1
8.0
81,493 18.2%
P
S
528,441 $108,351,543 2023 Q2 13F Filing 2026-06-30 2026-08-14
WBD
WARNER BROS DIS...
Communication Services 9.63% 17.32% #2
Prev: #2
5.4
-492,903 -37.9%
P
S
807,012 $21,514,940 2022 Q1 13F Filing 2026-06-30 2026-08-14
WBD
WARNER BROS DIS...
PUT
PUT Option 9.06% #3
Prev: #—
8.1
759,600
NEW
759,600 $20,250,936 2022 Q1 13F Filing 2026-06-30 2026-08-14
APGE
APOGEE THERAPEU...
Healthcare 7.13% #4
Prev: #—
6.9
120,000
NEW
120,000 $15,927,600 2026 Q2 13F Filing 2026-06-30 2026-08-14
ROKU
ROKU INC
Communication Services 6.53% #5
Prev: #—
6.6
105,660
NEW
105,660 $14,595,872 2026 Q2 13F Filing 2026-06-30 2026-08-14
KVUE
KENVUE INC
Consumer Defensive 6.46% 4.02% #6 1
Prev: #5
5.6
274,460 57.1%
P
S
754,977 $14,427,610 2023 Q3 13F Filing 2026-06-30 2026-08-14
BLD
TOPBUILD COR
Industrials 6.34% #7
Prev: #—
6.0
39,948
NEW
39,948 $14,162,764 2026 Q2 13F Filing 2026-06-30 2026-08-14
EA
ELECTRONIC ARTS...
PUT
PUT Option 3.29% #8
Prev: #—
4.8
35,900
NEW
35,900 $7,360,936 2023 Q2 13F Filing 2026-06-30 2026-08-14
PSKY
PARAMOUNT SKYDA...
Communication Services 1.48% #9
Prev: #—
4.1
334,724
NEW
334,724 $3,300,379 2026 Q2 13F Filing 2026-06-30 2026-08-14
OGN
ORGANON & CO
Healthcare 1.06% #10
Prev: #—
3.9
175,100
NEW
175,100 $2,370,854 2026 Q2 13F Filing 2026-06-30 2026-08-14
TIC
TIC SOLUTIONS I...
Industrials 0.28% 0.25% #11 4
Prev: #15
1.1
no change no change
P
S
77,339 $625,673 2025 Q1 13F Filing 2026-06-30 2026-08-14
N/A
ATRIUM THERAPEU...
Unknown 0.16% 0.32% #12 2
Prev: #14
0.1
-23,396 -46.9%
P
S
26,517 $356,654 13F Filing 2026-06-30 2026-08-14
NSC
NORFOLK SOUTHN ...
Industrials 0.09% #13
Prev: #—
3.5
652
NEW
652 $205,113 2025 Q4 13F Filing 2026-06-30 2026-08-14
SGRY
SURGERY PARTNER...
Healthcare 0.00% 0.06%
Sold All 😨
(Was: #17)
0.0
-10,025 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2026-06-30 2026-08-14
MANU
MANCHESTER UTD ...
Communication Services 0.00% 0.12%
Sold All 😨
(Was: #16)
0.0
-14,920 -100.0%
CLOSED
$— 2024 Q1 13F Filing 2026-06-30 2026-08-14
DAWN
DAY ONE BIOPHAR...
Healthcare 0.00% 0.33%
Sold All 😨
(Was: #13)
0.0
-31,626 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
TTWO
TAKE-TWO INTERA...
Communication Services 0.00% 0.62%
Sold All 😨
(Was: #12)
0.0
-6,500 -100.0%
CLOSED
$— 2008 Q1 13F Filing 2026-06-30 2026-08-14
OS
ONESTREAM INC
Technology 0.00% 0.70%
Sold All 😨
(Was: #11)
0.0
-60,372 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
RVMD
REVOLUTION MEDI...
Healthcare 0.00% 1.82%
Sold All 😨
(Was: #10)
0.0
-38,593 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
RVMD
REVOLUTION MEDI...
PUT
PUT Option 0.00% 1.84%
Sold All 😨
(Was: #9)
0.0
-39,000 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
APLS
APELLIS PHARMAC...
Healthcare 0.00% 2.49%
Sold All 😨
(Was: #8)
0.0
-127,440 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
TERN
TERNS PHARMACEU...
Healthcare 0.00% 2.97%
Sold All 😨
(Was: #7)
0.0
-115,958 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
ACLX
ARCELLX INC
Healthcare 0.00% 3.01%
Sold All 😨
(Was: #6)
0.0
-53,982 -100.0%
CLOSED
$— 2026 Q1 13F Filing 2026-06-30 2026-08-14
HOLX
HOLOGIC INC
Healthcare 0.00% 6.57%
Sold All 😨
(Was: #4)
0.0
-179,036 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-06-30 2026-08-14
CWAN
CLEARWATER ANAL...
Technology 0.00% 13.36%
Sold All 😨
(Was: #3)
0.0
-1,164,090 -100.0%
CLOSED
$— 2025 Q4 13F Filing 2026-06-30 2026-08-14
Showing 1-25 of 25 holdings

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