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1M
13D Management Portfolio holdings
AUM
$71.3M
Turnover
28.57%
1-Year Est. Return
83.05%
This Fund
S&P 500
This Quarter
Est. Return
+4.89%
1 Year Est. Return
+83.05%
3 Year Est. Return
+157.08%
5 Year Est. Return
+172.94%
10 Year Est. Return
+751.21%
AUM
$64.5M
AUM Growth
-$19.5M
(-23%)
Cap. Flow
-$18.9M
Cap. Flow
% of AUM
-29.32%
Top 10 Holdings %
Top 10 Hldgs %
85.1%
Holding
17
New
1
Increased
–
Reduced
4
Closed
4
Avg Time Held
1.9
years
Top 10 Avg Time Held
0.6
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Acadia Healthcare
ACHC
|
+$5.32M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Southwest Gas
SWX
|
+$5.11M |
| 2 |
BILL Holdings
BILL
|
+$4.91M |
| 3 |
WEX
WEX
|
+$4.37M |
| 4 |
Mercury Systems
MRCY
|
+$3.77M |
| 5 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
1
Twilio
TWLO
$42B
| $7.64M | 11.85% |
60,755
| – | – |
2024 Q2
7 quarters
|
|
2
Viasat
VSAT
$8.47B
| $7.55M | 11.7% |
164,750
-37,000
| -18% | -$1.66M |
2025 Q3
2 quarters
|
|
|
3
Acadia Healthcare
ACHC
$2.89B
| $6.88M | 10.66% |
+294,000
| New | +$5.32M |
2026 Q1
0 quarters
|
|
4
Pearson
PSO
$10.7B
| $6.02M | 9.33% |
458,338
| – | – |
2020 Q2
23 quarters
|
|
5
Autoliv
ALV
$8.49B
| $5.87M | 9.1% |
55,839
| – | – |
2018 Q4
29 quarters
|
|
6
Charles River Laboratories
CRL
$14.6B
| $4.45M | 6.9% |
25,800
-2,200
| -8% | -$408K |
2025 Q2
3 quarters
|
|
|
7
Mercury Systems
MRCY
$4.65B
| $4.41M | 6.83% |
60,462
-43,300
| -42% | -$3.77M |
2023 Q3
10 quarters
|
|
8
Exelixis
EXEL
$15.6B
| $4.35M | 6.74% |
101,335
-19,000
| -16% | -$817K |
2023 Q2
11 quarters
|
|
9
Integer Holdings
ITGR
$4.31B
| $4.14M | 6.41% |
47,000
| – | – |
2025 Q4
1 quarter
|
|
10
Etsy
ETSY
$8.19B
| $3.59M | 5.57% |
71,836
| – | – |
2024 Q1
8 quarters
|
|
11
Cedar Fair
FUN
$875M
| $3.31M | 5.13% |
186,500
| – | – |
2025 Q4
1 quarter
|
|
12
TripAdvisor
TRIP
$1.1B
| $3.2M | 4.96% |
300,000
| – | – |
2025 Q3
2 quarters
|
|
13
Workiva
WK
$4.2B
| $3.1M | 4.81% |
52,000
| – | – |
2025 Q4
1 quarter
|
|
|
14
BILL Holdings
BILL
$4B
| – | – |
-90,000
| Closed | -$4.91M | – |
|
|
15
Lamb Weston
LW
$7.47B
| – | – |
-76,001
| Closed | -$3.18M | – |
|
|
16
Southwest Gas
SWX
$6.24B
| – | – |
-63,798
| Closed | -$5.11M | – |
|
|
17
WEX
WEX
$6.17B
| – | – |
-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.