PainReform Ltd. (PRFX) Ownership
PRFX ownership summary
as of October 18, 2026- Institutions
- 6.7% of shares outstanding
- Insiders
- 6.58% of shares outstanding
- Shares outstanding
- 3.5M
- Float
- 2.9M shares available to trade
- Short interest
- 0.79% 28K shares short
- Days to cover
- 0.07 short interest down 59.7% vs prior month
- Institutions 6.69%
- Insiders 6.58%
- Other investors 86.73%
PRFX top institutional holders
11 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Yorkville Advisors Global, LP | 2.32% | 81K | $63,374 | +81,103 (0.0%) | June 30, 2026 |
| 2 | Jane Street Group LLC | 2.30% | 80K | $62,814 | +80,387 (0.0%) | June 30, 2026 |
| 3 | Citadel Advisors Llc | 0.82% | 29K | $22,329 | +15,355 (+116.1%) | June 30, 2026 |
| 4 | UBS Group AG | 0.30% | 10K | $8,138 | +9,546 (+1,098.5%) | June 30, 2026 |
| 5 | Morgan Stanley - Brokerage Accounts | 0.08% | 2,783 | $2,175 | +1,172 (+72.7%) | June 30, 2026 |
| 6 | Royal Bank of Canada | 0.01% | 233 | $182 | +233 (0.0%) | June 30, 2026 |
| 7 | Advisor Group Holdings, Inc. | <0.01% | 40 | $31 | — | June 30, 2026 |
| 8 | Rockefeller Capital Management L.P. | 0.00% | 1 | $1 | +1 (0.0%) | June 30, 2026 |
| 9 | SBI Securities Co Ltd | 0.00% | — | — | −1 (−100.0%) | March 31, 2026 |
| 10 | XTX Topco Ltd | 0.00% | — | — | −2,692 (−100.0%) | March 31, 2026 |
| 11 | TWO SIGMA SECURITIES, LLC | 0.00% | — | — | −4,269 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 11, 7 holders added 188K shares and 3 cut 6,962.
PRFX top mutual fund and ETF holders
1 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Nasdaq Composite Index | 0.01% | 319 | $249 | +1 (+0.3%) | September 30, 2024 |
Funds report holdings monthly or quarterly; dates differ by fund.
PRFX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PRFX
Institutional investors own 6.7% of PainReform's shares and insiders 6.58%. The largest holder is Yorkville Advisors Global, LP with 2.32% of the shares (81K), as of June 30, 2026. Among the top 11 institutions, 7 added shares and 3 reduced their stake in the latest filings. Short interest is 0.79% of the float, or 0.07 days of average trading volume. The share count fell 88.8% since 2017.
Related: PRFX analyst forecast, PRFX key metrics. See the PRFX stock overview for the latest quote and news.
PRFX ownership FAQ
Who owns the most PainReform stock?
The largest shareholders of PainReform are Yorkville Advisors Global, LP (2.32%), Jane Street Group LLC (2.30%), Citadel Advisors Llc (0.82%), UBS Group AG (0.30%), Morgan Stanley - Brokerage Accounts (0.08%).
What percentage of PainReform is owned by institutions?
Institutions hold 6.7% of PainReform's shares outstanding; insiders hold 6.58%.
Which funds own PainReform?
The largest fund holders of PainReform are Fidelity Nasdaq Composite Index (0.01%).
What is PainReform's short interest?
28K shares of PainReform were sold short, 0.79% of the float; at the average daily volume it would take 0.07 days to cover.
How many shares of PainReform are outstanding?
PainReform has 3.5M shares outstanding, of which 2.9M are in the public float.