On the record · Investment firm

Siris Capital Group

Research depth

Transactions sourced

At least one recorded transaction has a public source.

Record updated Oct. 14, 2026

Current ownership

Current owner not established

This record does not identify a current owner. That absence is a gap in the record, not a conclusion about ownership.

Ownership and transaction history

Chronology from recorded ownership periods, transactions and reviewed outcome events. Event order does not imply causation.

June 10, 2013

Sale or exit completedR1

Acquirer: Oracle · Target: Tekelec Global, Inc.

Recorded history

Oct. 23, 2014

Digital River, Inc. / Siris Capital Group, LLC

Leveraged buyout · Announced · Recorded transaction

July 8, 2016

Polycom, Inc. / Siris Capital Group, LLC

Take-private · Announced · Recorded transaction

Sources and evidence

Recorded transaction sources

These support a recorded transaction row. They have not passed the separate evidence-review process.

  1. R1
    Siris Capital Group completes sale of Tekelec to Oracle | Siris Capital Group

    Siris Capital Group · Company announcement · Retrieved Oct. 6, 2026

    Supports: Recorded transaction

  2. R2
    Siris Capital agrees to acquire Digital River for approximately $840 million | Siris Capital Group

    Siris Capital Group · Company announcement · Retrieved Sept. 23, 2026

    Supports: Recorded transaction

  3. R3
    Siris Capital Group to Acquire Polycom, Inc. for $2.0 Billion in Cash | Siris Capital Group

    Siris Capital Group · Company announcement · Retrieved Sept. 14, 2026

    Supports: Recorded transaction

What we do not know

These are gaps in the public record, not findings about the organization.

  • The organization's operating status has not been researched.
  • No current public ownership assessment has been published.

Help improve this record

Firsthand experience, public sources and corrections can help close the gaps above.