13D Management LLC
CIK 0001600133 · NEW YORK, NY · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$71.3M
2026 Q2
Positions
11
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
94.4%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
VSAT
VIASAT INC
15.9%
TWLO
TWILIO INC
11.3%
MRCY
MERCURY SYS INC
10.4%
PSO
PEARSON PLC
10.2%
ALV
AUTOLIV INC
9.1%
CRL
CHARLES RIV LABS INTL INC
8.2%
SNPS
SYNOPSYS INC
7.9%
EXEL
EXELIXIS INC
7.7%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.