KPTI - Karyopharm Therapeutics

KPTI is a company, not a closed-end fund. We still track it - notices about it are below - but most of this site is about funds.

Is anyone targeting this fund?

No - none of the investors we follow has reported owning 5% or more of this company.

See the investors we follow

What this means for you

None of the investors we follow has reported owning 5% or more of this company. Most companies are in that state.

Nothing is required of you. If that changes, the notice appears here within a day of being filed with the regulator.

Email me if this changes

What happened, and when

  1. Oct 28, 2026

    Integrated Core Strategies (US) LLC sold down below 5% and stopped reporting.

    Original document →
  2. Oct 8, 2026

    Acorn Bioventures, L.P. sold down below 5% and stopped reporting.

    Original document →
  3. Sept 25, 2026

    Acorn Bioventures, L.P. filed an updated notice; it still owns 5.7%, as a passive investor.

    Original document →
  4. Sept 25, 2026

    Acorn Bioventures, L.P. now owns 5.7%, as a passive investor.

    Original document →
Details: all notices, events and fund facts
Notices from large investors about KPTI
DateInvestorStakeType of notice
Oct 28, 2026 Integrated Core Strategies (US) LLC 0.2% Sold down below 5%
Oct 8, 2026 Acorn Bioventures, L.P. 4.5% Sold down below 5%
Sept 25, 2026 Acorn Bioventures, L.P. 5.7% Updated notice
Sept 25, 2026 Acorn Bioventures, L.P. 5.7% Updated notice

No announcements from the fund on file. Most funds announce their payout on their own website, not in a filing with the regulator, so a cut or a raise there does not show up here.

Run by
not filed yet
Fund family
not filed yet
Exchange
Nasdaq

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Email me when something new is filed for KPTI

Free. One email when a large investor files a notice, or when the fund announces a buy-back, a vote or a closing - usually within a day. No password. Most funds announce payout changes on their own website, where we do not look.