Straightline Group LLC reported 8 positions worth $3.94M for the quarter ended Jun 30, 2026, up 54.5% on the prior quarter. It opened 4 new positions, added to 2, trimmed 2 and exited 1. Its largest holding is Interactive Brokers Group, Inc. at 32.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| UPWK Upwork, Inc | +40.9K | +96.2% | $341.80K | 17.72% |
| AVTR Avantor, Inc. | +28.2K | – | $278.97K | 7.09% |
| FLYW Flywire Corp | +15.2K | – | $267.28K | 6.79% |
| GENI Genius Sports Ltd | +38.6K | – | $234.18K | 5.95% |
| CLVT Clarivate Plc | +96.2K | – | $207.87K | 5.28% |
| IBKR Interactive Brokers Group, Inc. | +1,598 | +12.1% | $139.09K | 32.78% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| OSCR Oscar Health, Inc. | -21.4K | $245.61K | 9.64% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | IBKR Interactive Brokers Group, Inc. | Financial Services | 14.8K | $1.29M | 32.78% | +1,598 | +12.1% | Added | 0% |
| 2 | ALLY Ally Financial Inc. | Financial Services | 16.3K | $748.57K | 19.02% | -1,980 | -10.8% | Reduced | 0.01% |
| 3 | UPWK Upwork, Inc | Technology | 83.4K | $697.28K | 17.72% | +40.9K | +96.2% | Added | 0.07% |
| 4 | AVTR Avantor, Inc. | Industrials | 28.2K | $278.97K | 7.09% | +28.2K | – | New | 0% |
| 5 | FLYW Flywire Corp | Technology | 15.2K | $267.28K | 6.79% | +15.2K | – | New | 0.01% |
| 6 | GENI Genius Sports Ltd | Technology | 38.6K | $234.18K | 5.95% | +38.6K | – | New | 0.02% |
| 7 | ULCC Frontier Group Holdings, Inc. | Industrials | 26.7K | $210.96K | 5.36% | -38.9K | -59.3% | Reduced | 0.01% |
| 8 | CLVT Clarivate Plc | Technology | 96.2K | $207.87K | 5.28% | +96.2K | – | New | 0.02% |
Tip. Select a row to see that position’s full history at Straightline.
As of its Q2 2026 13F filing, Straightline Group LLC’s five largest positions were Interactive Brokers Group, Inc. (IBKR) at 32.8%, Ally Financial Inc. (ALLY) at 19.0%, Upwork, Inc (UPWK) at 17.7%, Avantor, Inc. (AVTR) at 7.1%, Flywire Corp (FLYW) at 6.8% of the reported portfolio.
Straightline Group LLC reported a 13F portfolio worth $3.94M across 8 positions for Q2 2026. That is up 54.5% from the previous quarter.
Its largest purchases by value were Upwork, Inc ($341.80K), Avantor, Inc. ($278.97K), Flywire Corp ($267.28K). It opened 4 new positions.
Its largest sales by value were Frontier Group Holdings, Inc. ($307.75K), Oscar Health, Inc. ($245.61K), Ally Financial Inc. ($90.98K). It exited 1 positions entirely.
From the Form 13F-HR reports Straightline Group LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.