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Twin Securities, Inc.

SEC CIK
0001351351
Latest filing
Aug 14, 2026

Holdings in Q4 2024

Holdings as of Dec 31, 2024, filed Feb 14, 2025. Long positions only; changes compare share counts with Q3 2024.

Institution overview
Positions
13
+1 vs. Q3 2024
Portfolio value
$169.6M
+$84.0M (+98.1%) vs. Q3 2024
Filed
Feb 14, 2025
SEC
Holdings of Twin Securities, Inc. in Q4 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
JNPRJuniper Networks IncCOM1,195,838$44.8M26.4%+517,581+76.3%AddedHistory
KKellanovaStock278,734$22.6M13.3%+254,234+1,037.7%AddedHistory
HCPHashiCorp, Inc.COM CL A534,460$18.3M10.8%+398,104+292.0%AddedHistory
SMARSmartsheet IncCOM CL A313,073$17.5M10.3%+148,726+90.5%AddedHistory
HESHess CorpStock99,268$13.2M7.8%+3,605+3.8%AddedHistory
EDREndeavor Group Holdings, Inc.CL A COM397,180$12.4M7.3%−232,535−36.9%ReducedHistory
ALTMArcadium Lithium plcStock2,337,323$12.0M7.1%+2,337,323NewHistory
AZPNAspen Technology, Inc.COM42,132$10.5M6.2%+42,132NewHistory
GEARRevelyst, Inc.COM SHS504,940$9.71M5.7%+504,940NewHistory
SUMSummit Materials, Inc.CL A81,000$4.10M2.4%+81,000NewHistory
AMEDAmedisys IncCOM29,105$2.64M1.6%+17,160+143.7%AddedHistory
SPRSpirit AeroSystems Holdings, Inc.COM CL A34,530$1.18M0.7%+34,530NewHistory
MANUManchester United plcORD CL A36,543$634.0K0.4%+277+0.8%AddedHistory

Options (1)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Twin Securities, Inc. in Q4 2024
SecurityClassPutsCalls
JNPRJuniper Networks IncCOM$1.08M–

Sold out since Q3 2024 (4)

Positions held at the end of Q3 2024 that are gone from this filing.

Positions of Twin Securities, Inc. sold out since Q3 2024
SecurityClassShares in Q3 2024Value in Q3 2024% of portfolio in Q3 2024History
SRCLStericycle IncCOM75,722$4.62M5.4%History
VSTOVista Outdoor Inc.COM104,576$4.10M4.8%History
AXNXAxonics, Inc.COM28,559$1.99M2.3%History
NEXTNextDecade CorpCOM11,042$52.0K0.1%History