Starboard Value LP
13F filer · CIK 0001517137Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$4.52BU.S. long equity reported on 13F
Positions202 new · 4 closed
Net flow last quarter-$1.03BBuys minus sells
Top 10 positions weight72.9%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 202620 positions | |||||
| $523M | 11.57% | 6.36% | -25.3% | Q1 2025 | |
| $522M | 11.54% | 1.42% | Not reported | Q4 2024 | |
| $389M | 8.61% | 3.05% | New | Q2 2026 | |
| $335M | 7.41% | 7.44% | Not reported | Q2 2023 | |
| $296M | 6.54% | 3.38% | -31.8% | Q3 2024 | |
| $285M | 6.30% | 62.64% | Not reported | Q4 2022 | |
| $277M | 6.12% | 2.68% | -34.9% | Q4 2024 | |
| $254M | 5.62% | 7.63% | 0.0% | Q3 2025 | |
| $248M | 5.47% | 4.15% | -6.2% | Q1 2026 | |
| $170M | 3.75% | 2.26% | -48.3% | Q1 2026 | |
| $107M | 2.36% | 1.13% | New | Q2 2026 | |
| $83.1M | 1.84% | 1.17% | -45.0% | Q4 2025 | |
| $79.7M | 1.76% | 1.73% | Not reported | Q1 2026 | |
| $69.9M | 1.54% | 4.35% | -52.7% | Q2 2025 | |
| $68.2M | 1.51% | Not reported | -6.1% | Q4 2023 | |
| $50.7M | 1.12% | 0.35% | -63.6% | Q4 2023 | |
| $39.1M | 0.86% | 0.57% | -71.6% | Q4 2024 | |
| $38.2M | 0.84% | 4.88% | -47.6% | Q3 2023 | |
| BIBIXIBitcoin Infrastructure Acquisition Corp Ltd | $3M | 0.07% | Not reported | Not reported | Q4 2025 |
| BIBIXIWBitcoin Infrastructure Acquisition Corp Ltd | $47.5K | 0.00% | Not reported | Not reported | Q1 2026 |
| Q1 2026Reported May 15, 202622 positions | |||||
| $581M | 12.71% | 8.56% | Not reported | Q1 2025 | |
| $471M | 10.29% | 1.42% | Not reported | Q4 2024 | |
| $351M | 7.68% | 7.44% | -9.9% | Q2 2023 | |
| $350M | 7.65% | 4.87% | Not reported | Q3 2024 | |
| $294M | 6.43% | 63.28% | Not reported | Q4 2022 | |
| $269M | 5.88% | 7.10% | Not reported | Q3 2025 | |
| $258M | 5.65% | 4.43% | New | Q1 2026 | |
| $258M | 5.64% | 4.37% | New | Q1 2026 | |
| $192M | 4.20% | 4.10% | +22.0% | Q4 2024 | |
| $147M | 3.21% | 1.29% | -26.3% | Q4 2019 | |
| $140M | 3.05% | 0.97% | -4.9% | Q4 2023 | |
| $135M | 2.94% | 2.04% | -44.4% | Q4 2025 | |
| CACWANClearwater Analytics Holdings, Inc. | $129M | 2.82% | Not reported | -45.2% | Q4 2025 |
| $116M | 2.53% | 1.97% | -45.9% | Q4 2024 | |
| $115M | 2.51% | 9.27% | +11.7% | Q2 2025 | |
| $100M | 2.19% | 0.23% | -31.6% | Q1 2025 | |
| $86M | 1.88% | 1.74% | New | Q1 2026 | |
| $73.8M | 1.61% | Not reported | -41.7% | Q4 2023 | |
| $62.7M | 1.37% | 3.28% | -51.5% | Q1 2023 | |
| $43.1M | 0.94% | 9.34% | Not reported | Q3 2023 | |
| BIBIXIBitcoin Infrastructure Acquisition Corp Ltd | $2.98M | 0.07% | Not reported | Not reported | Q4 2025 |
| BIBIXIWBitcoin Infrastructure Acquisition Corp Ltd | $44.6K | 0.00% | Not reported | New | Q1 2026 |
| Q4 2025Reported Feb 17, 202620 positions | |||||
| $635M | 12.02% | 8.11% | Not reported | Q1 2025 | |
| $471M | 8.92% | 1.43% | +30.5% | Q4 2024 | |
| $390M | 7.40% | 8.26% | Not reported | Q2 2023 | |
| $383M | 7.26% | 7.01% | Not reported | Q3 2025 | |
| $368M | 6.97% | 4.90% | +2.9% | Q3 2024 | |
| $297M | 5.62% | 0.47% | -23.7% | Q3 2024 | |
| $288M | 5.45% | 1.72% | -13.0% | Q4 2019 | |
| $249M | 4.72% | 0.10% | -24.3% | Q4 2022 | |
| CACWANClearwater Analytics Holdings, Inc. | $240M | 4.55% | Not reported | New | Q4 2025 |
| $229M | 4.33% | 63.36% | Not reported | Q4 2022 | |
| $214M | 4.05% | 3.58% | -13.0% | Q4 2024 | |
| $206M | 3.90% | 3.41% | New | Q4 2025 | |
| $180M | 3.42% | 0.33% | -23.0% | Q1 2025 | |
| $161M | 3.06% | 3.43% | +44.5% | Q4 2024 | |
| $154M | 2.92% | 1.02% | -7.6% | Q4 2023 | |
| $140M | 2.66% | 8.43% | +1.4% | Q2 2025 | |
| $132M | 2.49% | Not reported | -26.2% | Q4 2023 | |
| $110M | 2.09% | 6.76% | -28.2% | Q1 2023 | |
| $49.2M | 0.93% | 9.37% | Not reported | Q3 2023 | |
| BIBIXIBitcoin Infrastructure Acquisition Corp Ltd | $2.99M | 0.06% | Not reported | New | Q4 2025 |
| Q3 2025Reported Nov 14, 202518 positions | |||||
| $684M | 12.87% | 8.11% | -4.6% | Q1 2025 | |
| $417M | 7.85% | 0.62% | -10.5% | Q3 2024 | |
| $391M | 7.36% | 4.63% | -27.7% | Q3 2024 | |
| $372M | 7.00% | 6.91% | New | Q3 2025 | |
| $346M | 6.50% | 1.98% | -8.7% | Q4 2019 | |
| $341M | 6.42% | 8.27% | Not reported | Q2 2023 | |
| $340M | 6.39% | 1.09% | Not reported | Q4 2024 | |
| $294M | 5.54% | 0.13% | -0.8% | Q4 2022 | |
| $261M | 4.92% | 4.12% | -24.9% | Q4 2024 | |
| $226M | 4.25% | 0.42% | -53.9% | Q1 2025 | |
| $208M | 3.91% | Not reported | -12.3% | Q4 2023 | |
| $199M | 3.74% | 63.37% | Not reported | Q4 2022 | |
| $196M | 3.69% | 1.10% | -6.1% | Q4 2023 | |
| $168M | 3.16% | 2.38% | +88.5% | Q4 2024 | |
| $155M | 2.91% | 8.14% | +11.9% | Q2 2025 | |
| $150M | 2.81% | 10.27% | Not reported | Q1 2024 | |
| $135M | 2.54% | 9.37% | +86.4% | Q1 2023 | |
| $57.2M | 1.08% | 9.37% | Not reported | Q3 2023 | |
Premium opens every quarter this fund has filed