O'Brien-Staley Partners

Asset Manager SEC-registered adviser

Legal name: Osp, LLC

AUM

$1.4B

Regulatory AUM

Private funds

Other 6

Private fund assets

$1.4B

Gross asset value

Employees

Last Form D raise

May 2020

Most recent fund filing

From SEC Form ADV filing (filed Mar 31, 2026). View on SEC

People(3)

Owners and executive officers named on the firm's SEC Form ADV.

Trustee, O'Brien Children 2006 Trust

Chief Executive Officer and Chief Investment Officer

Managing Member, Osp Manager

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

Fund	Type	Gross assets	Raised (Form D)	Investors	Last Form D	Recency
Osp Value Fund III, LP	Other	$462.0M	$273.0M	38	May 2020	Cold
Osp Value Fund Iii-B, LP	Other	$55.4M	$48.0M	12	May 2020	Cold
Osp Value Fund II, LP	Other	$104.1M	$600.0M	68	Mar 2018	Cold
Osp Value Fund, LP	Other	$48.5M	$490.0M	47	Jun 2015	Cold
Osp Value Fund IV, LP	Other	$724.0M	—	—	—
Osp Value Fund Iv-B, LP	Other	$33.6M	—	—	—

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.