13D Management LLC
In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), 13D Management LLC reported 20 stock positions worth $109.6 million. Its top holding was Twilio Class A (TWLO) at 6.9% of the portfolio, followed by Qorvo (QRVO, 6.9%) and Mercury Systems (MRCY, 6.7%). Compared with Q1 2025, it opened 1 new position, sold out of 2, added to 2 and reduced 17. The biggest buy was a new position in Charles River Laboratories (CRL) and the biggest sale an exit from Insight Enterprises (NSIT).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001600133
- Portfolio Value
- $109.6M (Q2 2025)
- SEC Filing
- 0001172661-25-003316 ↗ filed Aug 14, 2025
Holdings Value
Holdings 20 stocks · $109.6M
| TWLO Twilio Inc. Class A | 6.89% | 60,755 | $7.6M | Reduce -2.9% |
| QRVO Qorvo Inc. | 6.87% | 88,740 | $7.5M | Add +19.2% |
| MRCY Mercury Systems Inc. | 6.73% | 137,012 | $7.4M | Reduce -32.4% |
| SWX Southwest Gas Holdings Inc. | 6.57% | 96,798 | $7.2M | Reduce -2.8% |
| PSO Pearson PLC-Sponsored ADR | 6.24% | 458,338 | $6.8M | Reduce -2.7% |
| APD Air Products & Chemicals Inc. | 6.15% | 23,900 | $6.7M | Reduce -2.9% |
| ABG Asbury Automotive Group | 5.89% | 27,087 | $6.5M | Reduce -2.7% |
| EXEL Exelixis Inc. | 5.76% | 143,335 | $6.3M | Reduce -2.8% |
| ALV Autoliv Inc. | 5.70% | 55,839 | $6.2M | Reduce -2.7% |
| JHG Janus Henderson Group PLC | 4.77% | 134,654 | $5.2M | Reduce -2.7% |
| YETI Yeti Holdings Inc. filed as YETI HLDGS INC | 4.72% | 164,000 | $5.2M | Reduce -2.7% |
| RIOT Riot Platforms Inc. | 4.67% | 453,272 | $5.1M | Reduce -2.8% |
| KVUE Kenvue Inc. | 4.49% | 235,309 | $4.9M | Add +26.0% |
| CRL Charles River Laboratories | 3.88% | 28,000 | $4.2M | New |
| LW Lamb Weston Holdings Inc. | 3.81% | 80,582 | $4.2M | Reduce -2.7% |
| MTCH Match Group Inc. | 3.74% | 132,779 | $4.1M | Reduce -2.7% |
| ETSY Etsy Inc. | 3.56% | 77,836 | $3.9M | Reduce -2.7% |
| MIDD Middleby Corp. | 3.43% | 26,097 | $3.8M | Reduce -2.9% |
| PENN Penn Entertainment Inc. | 3.18% | 195,045 | $3.5M | Reduce -2.7% |
| VSTS Vestis Corp. | 2.93% | 560,134 | $3.2M | Reduce -2.7% |
Portfolio Sells Q1 2025 → Q2 2025
| NSIT Insight Enterprises Inc. | Sold out | 0.00% | −6.49 |
| RPD RAPID7 Inc. | Sold out | 0.00% | −2.91 |
| VSTS Vestis Corp. | Reduce -2.7% | 2.93% | −2.10 |
| MRCY Mercury Systems Inc. | Reduce -32.4% | 6.73% | −0.97 |
| PSO Pearson PLC-Sponsored ADR | Reduce -2.7% | 6.24% | −0.41 |
| APD Air Products & Chemicals Inc. | Reduce -2.9% | 6.15% | −0.25 |
| YETI Yeti Holdings Inc. | Reduce -2.7% | 4.72% | −0.20 |
| MIDD Middleby Corp. | Reduce -2.9% | 3.43% | −0.17 |
| LW Lamb Weston Holdings Inc. | Reduce -2.7% | 3.81% | −0.08 |
| MTCH Match Group Inc. | Reduce -2.7% | 3.74% | −0.01 |
| ETSY Etsy Inc. | Reduce -2.7% | 3.56% | +0.23 |
| SWX Southwest Gas Holdings Inc. | Reduce -2.8% | 6.57% | +0.26 |
| PENN Penn Entertainment Inc. | Reduce -2.7% | 3.18% | +0.30 |
| JHG Janus Henderson Group PLC | Reduce -2.7% | 4.77% | +0.36 |
| ABG Asbury Automotive Group | Reduce -2.7% | 5.89% | +0.47 |
| EXEL Exelixis Inc. | Reduce -2.8% | 5.76% | +0.96 |
| ALV Autoliv Inc. | Reduce -2.7% | 5.70% | +1.22 |
| TWLO Twilio Inc. Class A | Reduce -2.9% | 6.89% | +1.49 |
| RIOT Riot Platforms Inc. | Reduce -2.8% | 4.67% | +1.74 |
Portfolio Buys Q1 2025 → Q2 2025
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 11 | $71.3M | VSAT, TWLO, MRCY, PSO, ALV |
| Q1 2026 | 13 | $64.5M | TWLO, VSAT, ACHC, PSO, ALV |
| Q4 2025 | 16 | $84.0M | TWLO, MRCY, VSAT, ALV, PSO |
| Q3 2025 | 18 | $104.3M | MRCY, QRVO, VSAT, ALV, PSO |
| Q2 2025 | 20 | $109.6M | TWLO, QRVO, MRCY, SWX, PSO |
| Q1 2025 | 21 | $113.4M | MRCY, PSO, NSIT, APD, SWX |
| Q4 2024 | 21 | $135.0M | TWLO, VSTS, SWX, MRCY, PSO |
| Q3 2024 | 22 | $136.4M | FYBR, NSIT, SWX, EXEL, MDU |
| Q2 2024 | 21 | $137.1M | NSIT, FYBR, SWX, EXEL, TWLO |
| Q1 2024 | 28 | $163.8M | GDDY, SWX, NSIT, FYBR, ELAN |