Parallax Volatility Advisers, L.P.
13F filer · CIK 1521001 · San Francisco, CA
Summary
Parallax Volatility Advisers, L.P. reported $58.87B across 1,502 positions in its 13F for 2026 Q2, filed Aug 14, 2026. The largest holdings are NVDA (0.4%), NEEPRV (0.4%), INTC (0.1%). Versus 2026 Q1, leaving options aside, it opened 181 new positions, added to 208, trimmed 177 and sold out of 145.
Reported value$58.87B
Positions1,502incl. options
Report period2026 Q2
FiledAug 14, 2026
New positions181
Added208
Trimmed177
Sold out145
Top 25 holdings
By reported value, options listed separately · change vs 2026 Q1
Weight 0.4%Value $231.58MPrice $228.86Shares 1.16M +2118.30%Since Jun 30 +14.38%
Weight 0.4%Value $207.20MShares 2.36M +17.42%
Weight 0.1%Value $64.16MPrice $116.03Shares 460K +106.21%Since Jun 30 -16.90%
Weight 0.1%Value $55.60MPrice $512.01Shares 77KSince Jun 30 -29.18%
Weight 0.1%Value $50.01MPrice $246.67Shares 210KSince Jun 30 +3.50%
Weight 0.1%Value $44.00MPrice $1054Shares 38K -46.28%Since Jun 30 -8.69%
Weight 0.1%Value $42.20MPrice $916.28Shares 42K +25.09%Since Jun 30 -9.40%
Weight 0.1%Value $36.91MPrice $108.73Shares 326K +5431816.67%Since Jun 30 -4.00%
Weight 0.1%Value $34.29MPrice $107.74Shares 357K -15.46%Since Jun 30 +12.25%
Weight 0.1%Value $33.81MPrice $162.52Shares 247K +1604.18%Since Jun 30 +18.87%
Weight 0.1%Value $30.88MPrice $130.80Shares 221K +17.42%Since Jun 30 -6.54%
Weight 0.1%Value $30.45MPrice $69.23Shares 427K +13.53%Since Jun 30 -3.04%
Weight 0.1%Value $30.43MPrice $314.47Shares 70K +815.18%Since Jun 30 -27.43%
CHEFS WHSE INCNo ticker matchTrim
Weight 0.1%Value $30.11MPrincipal $13.48M -12.92%
Weight 0.0%Value $27.53MPrice $106.74Shares 234KSince Jun 30 -9.13%
Weight 0.0%Value $27.21MPrice $206.37Shares 164K +0.72%Since Jun 30 +24.50%
Weight 0.0%Value $26.86MPrice $342.75Shares 75K -34.42%Since Jun 30 -4.09%
Weight 0.0%Value $25.58MPrice $560.79Shares 40K +207.43%Since Jun 30 -12.48%
SILVERCORP METALS INCNo ticker matchAdd
Weight 0.0%Value $23.78MPrincipal $9.80M +96.00%
SEMTECH CORPNo ticker matchHold
Weight 0.0%Value $23.75MPrincipal $5.50M
Weight 0.0%Value $23.72MPrice $202.35Shares 95K +51.89%Since Jun 30 -19.05%
Weight 0.0%Value $23.48MPrice $715.62Shares 42KSince Jun 30 +27.04%
Weight 0.0%Value $22.09MPrice $543.43Shares 51KSince Jun 30 +25.95%
Weight 0.0%Value $21.70MPrice $275.26Shares 79K +470.40%Since Jun 30 -0.15%
Weight 0.0%Value $21.62MPrice $502.35Shares 43K +29.73%Since Jun 30 +0.39%
| Stock | Weight | Value | Since Jun 30 | Shares change | Action |
|---|---|---|---|---|---|
| 0.4% | $231.58M | +14.38% | +2118.30% | Add | |
| 0.4% | $207.20M | — | +17.42% | Add | |
| 0.1% | $64.16M | -16.90% | +106.21% | Add | |
| 0.1% | $55.60M | -29.18% | — | New | |
| 0.1% | $50.01M | +3.50% | — | New | |
| 0.1% | $44.00M | -8.69% | -46.28% | Trim | |
| 0.1% | $42.20M | -9.40% | +25.09% | Add | |
| 0.1% | $36.91M | -4.00% | +5431816.67% | Add | |
| 0.1% | $34.29M | +12.25% | -15.46% | Trim | |
| 0.1% | $33.81M | +18.87% | +1604.18% | Add | |
| 0.1% | $30.88M | -6.54% | +17.42% | Add | |
| 0.1% | $30.45M | -3.04% | +13.53% | Add | |
| 0.1% | $30.43M | -27.43% | +815.18% | Add | |
| CHEFS WHSE INCNo ticker match | 0.1% | $30.11M | — | -12.92% | Trim |
| 0.0% | $27.53M | -9.13% | — | New | |
| 0.0% | $27.21M | +24.50% | +0.72% | Add | |
| 0.0% | $26.86M | -4.09% | -34.42% | Trim | |
| 0.0% | $25.58M | -12.48% | +207.43% | Add | |
| SILVERCORP METALS INCNo ticker match | 0.0% | $23.78M | — | +96.00% | Add |
| SEMTECH CORPNo ticker match | 0.0% | $23.75M | — | — | Hold |
| 0.0% | $23.72M | -19.05% | +51.89% | Add | |
| 0.0% | $23.48M | +27.04% | — | New | |
| 0.0% | $22.09M | +25.95% | — | New | |
| 0.0% | $21.70M | -0.15% | +470.40% | Add | |
 BRK.BBERKSHIRE HATHAWAY INC DEL | 0.0% | $21.62M | +0.39% | +29.73% | 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
Largest sells in 2026 Q2
COINBASE GLOBAL INCNo ticker match≈ $34.82MSold
Options
Notional value, listed apart from stocks · top 10 of 854
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.