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13F holdings · Q2 2026

13D Management

New York, NY · files as 13D Management LLC
Holdings as of Jun 30, 2026Filed Aug 14, 2026Next filing due Nov 16, 2026CIK 1600133

13D Management reported 11 stocks worth $71.3M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are VSAT (15.9%), TWLO (11.3%) and MRCY (10.4%). Compared with Q1 2026, the fund opened new positions in SNPS, trimmed VSAT and TWLO and sold out of ACHC, TRIP and WK.

Reported value$71.3M+10.6% vs last quarter
Stocks held111 new · 3 sold out
Top 5 weight56.9%fairly concentrated
Turnover38%of the portfolio changed
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Holdings

#StockValueWeightSharesChangeShares, 8 qtrsHeld
1
VSAT
Viasat Inc
$11.3M15.9%126K−39K (−23%)4 of 8
2
TWLO
Twilio Inc
$8M11.3%39K−22K (−36%)8 of 8
3
MRCY
Mercury Sys Inc
$7.4M10.4%60KNo change8 of 8
4
PSO
Pearson PLC
$7.3M10.2%458KNo change8 of 8
5
ALV
Autoliv Inc
$6.5M9.1%56KNo change8 of 8
6
CRL
Charles Riv Labs Intl Inc
$5.9M8.2%26KNo change5 of 8
7
SNPS
Synopsys Inc
$5.6M7.9%13KNew position1 of 8
8
EXEL
Exelixis Inc
$5.5M7.7%101KNo change8 of 8
9
ETSY
Etsy Inc
$5.4M7.6%72KNo change8 of 8
10
ITGR
Integer Hldgs Corp
$4.4M6.2%47KNo change3 of 8
🔒 1 more holdings in this filing. Create a free account or sign in to see them all.

Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.

Sold out

held in Q1 2026, gone in Q2 2026
StockValue last quarterShares sold
ACHC
Acadia Healthcare Company in
$6.9M294K
TRIP
Tripadvisor Inc
$3.2M300K
WK
Workiva Inc
$3.1M52K

Reported value

last 8 quarters
$136MQ3 '24
$135MQ4 '24
$113MQ1 '25
$110MQ2 '25
$104MQ3 '25
$84MQ4 '25
$64.5MQ1 '26
$71.3MQ2 '26

The value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.

Filings for Q2 2026

straight from the SEC
FiledFormQuarter
Aug 14, 202613F-HRQ2 2026SEC filing ↗

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13D Management 13F FAQ

What does 13D Management own?

13D Management reported 11 stocks worth $71.3M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are VSAT (15.9%), TWLO (11.3%) and MRCY (10.4%). The table above lists every position in the filing (the top 10 without an account).

What did 13D Management buy and sell in Q2 2026?

Compared with Q1 2026: 1 new positions, 0 added to, 2 trimmed and 3 sold out. New positions include SNPS. It sold all of ACHC, TRIP and WK.

When will 13D Management file its next 13F?

Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.

How much is 13D Management's portfolio worth?

The Q2 2026 filing reports $71.3M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.