READYSTATE ASSET MANAGEMENT LP
13F filer · CIK 1900923 · Chicago, IL
Summary
READYSTATE ASSET MANAGEMENT LP reported $2.93B across 905 positions in its 13F for 2026 Q2, filed Aug 14, 2026. The largest holdings are RIVIAN AUTOMOTIVE INC (3.6%), WBD (3.5%), SMCI 7 06.01.29 (2.3%). Versus 2026 Q1, leaving options aside, it opened 252 new positions, added to 66, trimmed 89 and sold out of 147.
Reported value$2.93B
Positions905incl. options
Report period2026 Q2
FiledAug 14, 2026
New positions252
Added66
Trimmed89
Sold out147
Top 25 holdings
By reported value, options listed separately · change vs 2026 Q1
RIVIAN AUTOMOTIVE INCNo ticker matchTrim
Weight 3.6%Value $106.77MPrincipal $100.00M -3.85%
Weight 3.5%Value $102.68MPrice $30.90Shares 3.85M +132.07%Since Jun 30 +15.90%
Weight 2.3%Value $66.67MPrincipal $1.30B
Weight 2.2%Value $64.20MPrincipal $59.50M
Weight 2.0%Value $59.50MPrincipal $18.02M
Weight 1.9%Value $55.41MPrice $313.05Shares 176K -4.19%Since Jun 30 -0.49%
GRANITE CONSTR INCNo ticker matchTrim
Weight 1.7%Value $49.64MPrincipal $15.00M -14.29%
LANTHEUS HLDGS INCNo ticker matchHold
Weight 1.6%Value $46.58MPrincipal $32.00M
Weight 1.6%Value $46.38MPrice $164.41Shares 264K +104.11%Since Jun 30 -6.29%
ALPHABET INCNo ticker matchNew
Weight 1.6%Value $45.41MPrincipal $899.99M
ALPHABET INCNo ticker matchNew
Weight 1.5%Value $45.35MPrincipal $900.02M
BENTLEY SYS INCNo ticker matchHold
Weight 1.3%Value $38.45MPrincipal $40.00M
Weight 1.2%Value $34.41MPrincipal $29.60M +7.64%
Weight 1.2%Value $34.03MPrice $21.68Shares 1.61M +23.35%Since Jun 30 +2.31%
TRANSMEDICS GROUP INCNo ticker matchHold
Weight 1.1%Value $32.55MPrincipal $30.00M
Weight 1.1%Value $32.19MPrice $98.50Shares 242K +19.56%Since Jun 30 -26.08%
Weight 1.0%Value $30.05MPrice $206.37Shares 181K +353.19%Since Jun 30 +24.50%
Weight 1.0%Value $29.94MPrincipal $25.00M
CENTURY ALUM CONo ticker matchHold
Weight 1.0%Value $29.81MPrincipal $12.07M
Weight 1.0%Value $29.77MPrice $162.52Shares 218KSince Jun 30 +18.87%
Weight 1.0%Value $28.16MPrice $414.79Shares 71KSince Jun 30 +4.30%
Weight 1.0%Value $28.00MPrincipal $27.50M
Weight 0.9%Value $27.46MPrice $3.67Shares 4.73MSince Jun 30 -36.83%
Weight 0.9%Value $27.16MPrice $1054Shares 24K +46.47%Since Jun 30 -8.69%
LIVANOVA PLCNo ticker matchAdd
Weight 0.9%Value $25.89MPrincipal $19.00M +5.56%
| Stock | Weight | Value | Since Jun 30 | Shares change | Action |
|---|---|---|---|---|---|
| RIVIAN AUTOMOTIVE INCNo ticker match | 3.6% | $106.77M | — | -3.85% | Trim |
| 3.5% | $102.68M | +15.90% | +132.07% | Add | |
| 2.3% | $66.67M | — | — | New | |
| 2.2% | $64.20M | — | — | New | |
| 2.0% | $59.50M | — | — | Hold | |
| 1.9% | $55.41M | -0.49% | -4.19% | Trim | |
| GRANITE CONSTR INCNo ticker match | 1.7% | $49.64M | — | -14.29% | Trim |
| LANTHEUS HLDGS INCNo ticker match | 1.6% | $46.58M | — | — | Hold |
| 1.6% | $46.38M | -6.29% | +104.11% | Add | |
| ALPHABET INCNo ticker match | 1.6% | $45.41M | — | — | New |
| ALPHABET INCNo ticker match | 1.5% | $45.35M | — | — | New |
| BENTLEY SYS INCNo ticker match | 1.3% | $38.45M | — | — | Hold |
| 1.2% | $34.41M | — | +7.64% | Add | |
| 1.2% | $34.03M | +2.31% | +23.35% | Add | |
| TRANSMEDICS GROUP INCNo ticker match | 1.1% | $32.55M | — | — | Hold |
| 1.1% | $32.19M | -26.08% | +19.56% | Add | |
| 1.0% | $30.05M | +24.50% | +353.19% | Add | |
| 1.0% | $29.94M | — | — | Hold | |
| CENTURY ALUM CONo ticker match | 1.0% | $29.81M | — | — | Hold |
| 1.0% | $29.77M | +18.87% | — | New | |
| 1.0% | $28.16M | +4.30% | — | New | |
| 1.0% | $28.00M | — | — | New | |
| 0.9% | $27.46M | -36.83% | — | New | |
| 0.9% | $27.16M | -8.69% | +46.47% | Add | |
| LIVANOVA PLCNo ticker match | 0.9% | $25.89M | — | +5.56% | Add |
Weight is the share of the reported 13F value, including options at notional value. “Since Jun 30” compares the latest close with the quarter-end price implied by the filing (value ÷ shares).
Largest buys in 2026 Q2
ALPHABET INCNo ticker match≈ $45.41MNew
ALPHABET INCNo ticker match≈ $45.35MNew
Largest sells in 2026 Q2
SUPER MICRO COMPUTER INCNo ticker match≈ $21.79MSold
CENTRUS ENERGY CORPNo ticker match≈ $20.94MTrim
Options
Notional value, listed apart from stocks · top 10 of 396
Source: SEC Form 13F, values as reported by the filer. Filings lag up to 45 days after quarter end and cover only certain long positions. Research only, not investment advice.