# KARYOPHARM THERAPEUTICS INC (KPTIXXXX)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/KPTIXXXX/

- Reporting holders: 1
- Reported value: $419.6K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Birchview Capital, LP](https://holderbook.com/funds/1618205-birchview-capital-lp/) | $419.6K | 42,952 | 0.2% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 1 | $419.6K |
| Q1 2026 | 1 | $467.6K |
| Q3 2025 | 1 | $183.0K |
| Q2 2025 | 1 | $120.6K |
| Q1 2025 | 2 | $1.3M |
| Q4 2024 | 86 | $41.6M |
| Q3 2024 | 92 | $51.0M |
| Q2 2024 | 117 | $60.7M |
| Q1 2024 | 115 | $117.2M |
| Q4 2023 | 122 | $66.0M |
| Q3 2023 | 120 | $104.3M |
| Q2 2023 | 138 | $145.7M |