Investor
ValueAct
CIK 0001387322 · filed 2026-05-15 · SEC filing
13F book
$7.74B
Positions
35
11 new · 8 sold
Largest name
9.9%
Alphabet Inc
Est. mark
−$17.4M
Price effect on 24 names still held. Flow −$60.5M.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Alphabet Inc | — | 2.67M | $768.3M | 9.9% | −$53.4M | Added$110.7M |
| Sandisk Corp | SNDK | 799.6K | $508M | 6.6% | $318.2M | Cut$269.8M |
| Celestica Inc | CLS | 1.52M | $427.6M | 5.5% | −$21.1M | Cut−$128.8M |
| Amazon Com Inc | AMZN | 1.82M | $378.9M | 4.9% | −$41M | Cut−$49.9M |
| Ttm Technologies Inc | TTMI | 3.51M | $342.4M | 4.4% | $99.9M | Cut$47.3M |
| Advanced Energy Inds | — | 1.02M | $329.8M | 4.3% | — | New |
| Fabrinet | FN | 611.3K | $318.8M | 4.1% | $40.5M | Cut$38.3M |
| Corning Inc | — | 2.3M | $312.4M | 4.0% | $111.2M | Cut$78.6M |
| Mks Inc | MKSI | 1.31M | $300.3M | 3.9% | — | New |
| Meta Platforms, Inc. | META | 512.6K | $293.3M | 3.8% | −$41.3M | Added−$16.8M |
| Jfrog Ltd | FROG | 6.02M | $282.5M | 3.6% | −$82.3M | Added−$48.4M |
| Taiwan Semiconductor Mfg Ltd | — | 819.4K | $276.9M | 3.6% | $20.2M | Added$96.7M |
| Applovin Corp | APP | 695.5K | $276.8M | 3.6% | −$191.8M | Cut−$267.9M |
| Carvana Co. | CVNA | 877.6K | $275.9M | 3.6% | −$94.5M | Cut−$176M |
| Macom Tech Solutions Hldgs I | — | 1.17M | $260.9M | 3.4% | $39.8M | Added$126.8M |
| Coherent Corp. | COHR | 975K | $232.3M | 3.0% | $52.3M | Cut$30.2M |
| Broadcom Inc. | AVGO | 737.1K | $228.2M | 2.9% | −$27M | Cut−$128.9M |
| Bloom Energy Corp | BE | 1.65M | $224.1M | 2.9% | $65.1M | Added$107.7M |
| Lam Research Corp | LRCX | 957.9K | $204.7M | 2.6% | — | New |
| Roblox Corp | RBLX | 3.53M | $199.8M | 2.6% | −$86.4M | Cut−$132.9M |
| Sitime Corp | SITM | 576.9K | $199.2M | 2.6% | −$4.52M | Cut−$47.5M |
| Tower Semiconductor Ltd | TSEM | 1.07M | $187.2M | 2.4% | — | New |
| Nvidia Corp | NVDA | 1.04M | $181.6M | 2.3% | −$12.6M | Cut−$42.5M |
| Klaviyo, Inc. | KVYO | 6.83M | $132.8M | 1.7% | −$39.8M | Added$33.5M |
| Viavi Solutions Inc. | VIAV | 3.47M | $115.6M | 1.5% | — | New |
| Western Digital Corp | WDC | 412K | $111.4M | 1.4% | — | New |
| Ciena Corp | CIEN | 231.3K | $89.8M | 1.2% | $35.7M | Cut−$119.2M |
| Arm Holdings Plc | — | 452.4K | $68.4M | 0.9% | — | New |
| MongoDB, Inc. | MDB | 224.6K | $55M | 0.7% | −$39.3M | Cut−$196.8M |
| Duolingo, Inc. | DUOL | 471.8K | $46.5M | 0.6% | −$36.3M | Cut−$107.3M |
| Impinj Inc | PI | 405.2K | $41.6M | 0.5% | −$28.9M | Cut−$112.8M |
| Apple Inc. | AAPL | 96.6K | $24.5M | 0.3% | — | New |
| Microsoft Corp | MSFT | 53.9K | $19.9M | 0.3% | — | New |
| Advanced Micro Devices Inc | AMD | 69.2K | $14.1M | 0.2% | — | New |
| Netflix Inc | NFLX | 132K | $12.7M | 0.2% | — | New |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.