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1M

13D Management Portfolio holdings

AUM $64.5M
1-Year Est. Return 38.54%
This Fund
S&P 500
This Quarter Est. Return
+4.89%
1 Year Est. Return
+38.54%
3 Year Est. Return
+82.75%
5 Year Est. Return
+104.16%
10 Year Est. Return
+525.71%
AUM
$64.5M
AUM Growth
-$19.5M
Cap. Flow
-$18.9M
Cap. Flow %
-29.32%
Top 10 Hldgs %
85.1%
Holding
17
New
1
Increased
–
Reduced
4
Closed
4

Top Buys

Rank Stock Value
1
ACHC icon
Acadia Healthcare
ACHC
+$5.32M

Top Sells

Rank Stock Value
1
SWX icon
Southwest Gas
SWX
+$5.11M
2
BILL icon
BILL Holdings
BILL
+$4.91M
3
WEX icon
WEX
WEX
+$4.37M
4
MRCY icon
Mercury Systems
MRCY
+$3.77M
5
LW icon
Lamb Weston
LW
+$3.18M

Sector Composition

Rank Sector Weight
1 Healthcare 30.71%
2 Technology 28.36%
3 Consumer Discretionary 24.76%
4 Communication Services 9.33%
5 Industrials 6.83%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TWLO icon
1
Twilio
TWLO
$31.4B
$7.64M 11.85%
60,755
– –
VSAT icon
2
Viasat
VSAT
$9.76B
$7.55M 11.7%
164,750
-37,000
-18% -$1.66M
ACHC icon
3
Acadia Healthcare
ACHC
$3.17B
$6.88M 10.66%
+294,000
New +$5.32M
PSO icon
4
Pearson
PSO
$10.2B
$6.02M 9.33%
458,338
– –
ALV icon
5
Autoliv
ALV
$9B
$5.87M 9.1%
55,839
– –
CRL icon
6
Charles River Laboratories
CRL
$10.8B
$4.45M 6.9%
25,800
-2,200
-8% -$408K
MRCY icon
7
Mercury Systems
MRCY
$5.77B
$4.41M 6.83%
60,462
-43,300
-42% -$3.77M
EXEL icon
8
Exelixis
EXEL
$14.1B
$4.35M 6.74%
101,335
-19,000
-16% -$817K
ITGR icon
9
Integer Holdings
ITGR
$3.24B
$4.14M 6.41%
47,000
– –
ETSY icon
10
Etsy
ETSY
$7.98B
$3.59M 5.57%
71,836
– –
FUN icon
11
Cedar Fair
FUN
$1.79B
$3.31M 5.13%
186,500
– –
TRIP icon
12
TripAdvisor
TRIP
$1.7B
$3.2M 4.96%
300,000
– –
WK icon
13
Workiva
WK
$3.21B
$3.1M 4.81%
52,000
– –
BILL icon
14
BILL Holdings
BILL
$4.45B
– –
-90,000
Closed -$4.91M
LW icon
15
Lamb Weston
LW
$6.46B
– –
-76,001
Closed -$3.18M
SWX icon
16
Southwest Gas
SWX
$6.66B
– –
-63,798
Closed -$5.11M
WEX icon
17
WEX
WEX
$5.7B
– –
-29,350
Closed -$4.37M

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13D Management's Q1 2026 Portfolio in Review

As of Q1 2026, 13D Management held 17 positions worth $64.5M, down 23% from $84M the previous quarter. Its ten largest holdings account for 85% of the portfolio.

13D Management withdrew a net $18.9M in Q1 2026, closing 4 positions and reducing 4 holdings. Its most notable exit was Southwest Gas, an estimated $5.11M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 31% of assets, up from 17% a quarter earlier, followed by Technology and Consumer Discretionary.

Against the trend, 13D Management opened a new position in Acadia Healthcare worth $6.88M.

  • 13D Management's largest Q1 2026 buy was Acadia Healthcare: 294,000 shares worth $6.88M.
  • 13D Management's biggest Q1 2026 reduction was Mercury Systems, cutting an estimated $3.77M.
  • 13D Management fully exited Southwest Gas in Q1 2026, selling an estimated $5.11M.
  • 13D Management's ten largest holdings make up 85% of its $64.5M portfolio in Q1 2026.
  • 13D Management opened 1 new position and closed 4 in Q1 2026.
  • 13D Management's portfolio value fell 23% quarter-over-quarter to $64.5M.

Based on 13D Management's 13F filing for Q1 2026, filed 15 May 2026.