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13D Management LLC

SEC CIK
0001600133
Latest filing
Aug 14, 2026

Holdings in Q2 2026

Holdings as of Jun 30, 2026, filed Aug 14, 2026. Long positions only; changes compare share counts with Q1 2026.

Institution overview
Positions
11
−2 vs. Q1 2026
Portfolio value
$71.3M
+$6.84M (+10.6%) vs. Q1 2026
Filed
Aug 14, 2026
SEC
Holdings of 13D Management LLC in Q2 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
VSATViasat IncCOM126,250$11.3M15.9%−38,500−23.4%ReducedHistory
TWLOTwilio IncCL A39,000$8.05M11.3%−21,755−35.8%ReducedHistory
MRCYMercury Systems IncCOM60,462$7.40M10.4%00.0%UnchangedHistory
PSOPearson PLCSPONSORED ADR458,338$7.28M10.2%00.0%UnchangedHistory
ALVAutoliv IncCOM55,839$6.49M9.1%00.0%UnchangedHistory
CRLCharles River Laboratories International, Inc.COM25,800$5.85M8.2%00.0%UnchangedHistory
SNPSSynopsys IncCOM12,650$5.64M7.9%+12,650NewHistory
EXELExelixis, Inc.COM101,335$5.51M7.7%00.0%UnchangedHistory
ETSYEtsy IncCOM71,836$5.41M7.6%00.0%UnchangedHistory
ITGRInteger Holdings CorpCOM47,000$4.39M6.2%00.0%UnchangedHistory
FUNSix Flags Entertainment CorporationCOM186,500$3.97M5.6%00.0%UnchangedHistory

Sold out since Q1 2026 (3)

Positions held at the end of Q1 2026 that are gone from this filing.

Positions of 13D Management LLC sold out since Q1 2026
SecurityClassShares in Q1 2026Value in Q1 2026% of portfolio in Q1 2026History
ACHCAcadia Healthcare Company, Inc.COM294,000$6.88M10.7%History
TRIPTripAdvisor, Inc.COM300,000$3.20M5.0%History
WKWorkiva IncCOM CL A52,000$3.10M4.8%History