Institutional
13D Management LLC
CIK 0001600133
$64.5M
Reported AUM
13
Positions
Q1 2026
Period
2026-05-15
Filed
The Brief · 13D Management LLC · Q1 2026
AI · grounded in 13F
13D Management LLC established a new position in ACHC valued at $6.88M. The fund closed four positions, led by the exit of SWX for $5.11M, followed by the liquidation of BILL for $4.91M and WEX for $4.37M. Additionally, the fund trimmed its holdings in MRCY by 41.73% and VSAT by 18.34%.
Portfolio · Q1 2026
Top holdings
| # | Stock | Issuer | Price | Day % | 1Y Gr. | 5Y Gr. | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TWLO | TWILIO INC | $190.94 | 1.43% | 57.59% | -46.51% | $7.6M | 11.85% | — | HELD |
| 2 | VSAT | VIASAT INC | $77.60 | 10.56% | 358.62% | 47.25% | $7.5M | 11.70% | — | HELD |
| 3 | ACHC | ACADIA HEALTHCARE COMPANY IN | $28.14 | 2.89% | 29.68% | -58.64% | $6.9M | 10.66% | — | HELD |
| 4 | PSO | PEARSON PLC | $17.41 | -1.30% | 19.14% | 84.01% | $6.0M | 9.33% | — | HELD |
| 5 | ALV | AUTOLIV INC | $124.16 | -0.49% | 15.07% | 60.90% | $5.9M | 9.10% | — | HELD |
| 6 | CRL | CHARLES RIV LABS INTL INC | $234.62 | -0.08% | 40.57% | -47.14% | $4.5M | 6.90% | — | HELD |
| 7 | MRCY | MERCURY SYS INC | $95.97 | 6.43% | 72.84% | 78.98% | $4.4M | 6.83% | — | HELD |
| 8 | EXEL | EXELIXIS INC | $55.98 | 1.17% | 48.52% | 188.68% | $4.3M | 6.74% | — | HELD |
| 9 | ITGR | INTEGER HLDGS CORP | $100.86 | 1.04% | -5.31% | 2.10% | $4.1M | 6.41% | — | HELD |
| 10 | ETSY | ETSY INC | $83.15 | -2.84% | 41.48% | -61.55% | $3.6M | 5.57% | — | HELD |
| 11 | FUN | SIX FLAGS ENTERTAINMENT CORP | $17.70 | -3.54% | -40.38% | -57.60% | $3.3M | 5.13% | — | HELD |
| 12 | TRIP | TRIPADVISOR INC | $14.19 | -2.67% | -12.46% | -59.46% | $3.2M | 4.96% | — | HELD |
| 13 | WK | WORKIVA INC | $58.54 | -4.74% | -30.62% | -58.31% | $3.1M | 4.81% | — | HELD |
Source: SEC EDGAR · accession 0001172661-26-002041. 13F discloses long positions only — shorts, foreign equities, and options are excluded.