Advantage Advisers Xanthus Fund, L.L.C.
Built from the SEC filing index the day the filing landed. The figures below are the issuer's own from Form D; AltStreet's analysis, sponsor link and data flags follow when the entity is enriched.
Raised
$3.6B
Investors
86,186
Min Invest
None stated
Is this your company or fund? Claim this page free, or verify it and carry the Verified Issuer mark.
What this filing shows
·Every sentence is a value as filed on SEC Form D
Advantage Advisers Xanthus Fund, L.L.C. is a Delaware limited liability company that first filed a Form D on November 15, 2024 and most recently amended it on February 20, 2026, describing itself as a hedge fund. The offering claims Rule 506(b) and covers pooled investment fund interests. Advantage Advisers Xanthus Fund, L.L.C. reported $3,556,687,432 sold from 86,186 investors in an offering of indefinite size as of the Form D filed February 20, 2026. The offering relies on Rule 506(b), which permits sales to accredited investors and to no more than 35 non-accredited investors who meet a sophistication standard, and prohibits general solicitation. The filing reports no non-accredited investors. The filing lists the minimum investment as $0, meaning no minimum was stated. The Form D names Oppenheimer & Co. Inc. (CRD 249), associated with None; J.P. Morgan Securities LLC (CRD 79), associated with None; Raymond James & Associates, Inc. (CRD 705), associated with None as recipients of sales compensation soliciting in all states. Sales commissions are reported as $16,908,407 and finders' fees as $0. Form D allows these to be estimates. The issuer's address of record is 85 Broad Street, New York, NY 10004.
EDGAR Filing Data
Form D — Primary Source
View on SEC.govFund Filings
Tender-offer fund (811-09205). Figures are the fund's own from Forms N-PORT and N-CEN and its repurchase filings on SEC EDGAR. "Marks" is the share of holdings at Level 3 or carried at NAV. All registered funds AltStreet tracks.
- Net assets
- $3.38B at Jun 30, 2026
- Holdings
- 224 positions, $2.58B
- Marks
- 0% of holdings at Level 3 or carried at NAV
- Adviser
- Advantage Advisers Multi-Manager, LLC
- Fees (N-CEN)
- management fee 0.4%, net operating expenses 3.56% for the year to Dec 31, 2025
- Auditor
- Ernst & Young LLP
- Latest repurchase offer
- SC TO-I filed May 15, 2026, requests due Jun 12, 2026
Checking your access
Filings on Record
Every filing AltStreet's ledger holds for this CIK, newest first (15 of 35). Each opens the SEC archive folder.
In the Terminal
Filing events
8
latest Feb 20, 2026
Critical / warning
0 / 0
5 watch · 3 info
Statements extracted
0
none on file
NAV prints
0
none on file
Offering chains
1
raising
Latest event Sold increase · Feb 20, 2026
SEC.govFund family Same adviser ADVANTAGE ADVISERS GLOBAL GROWTH, LTD. · full family and the filing behind each link in the terminal
Investor
- The full fund family and 1 related vehicle (parallel, feeder, successor, sibling series) with the filing that shows each link
- The dated record: 149 facts with source, effective date and capture date, viewable as AltStreet knew them on any past day
- 8 filing events with values and deltas, latest 2026-02-20, and alerts on the next one
- 1 offering timeline: velocity, share raised, first-sale lag, stalled flags
Pro
- This issuer against its cohort: rank by velocity and share raised among offerings filed the same quarter
- The same events, statements and NAV moves across every issuer, screenable, with unlimited watches and CSV
Counts and dates above are the free record. The values, the series and the comparisons are the seat. Loading your view…
Related Persons (Form D)
Executive officers, directors, and promoters listed on the SEC Form D filing. Source: SEC.gov.
Bryan McKigney
Executive Officer · New York, NY
Todd Milbourn
Director · New York, NY
Member of the Board of Managers
Luis F. Rubio
Director · New York, NY
Member of the Board of Managers
Janet L. Schinderman
Director · New York, NY
Member of the Board of Managers
Jesse L. Ausubel
Director · New York, NY
Member of the Board of Managers
Michael J. Murphy
Director · New York, NY
Member of the Board of Managers
J. Advantage Advisers Multi-Manager, L.L.C.
Promoter · New York, NY
Investment Manager
Placement Agents and Sales Compensation (Form D)
Who the issuer reported paying to sell the securities (Form D Item 12), with the FINRA registration number the filer gave. Source: SEC.gov.
Oppenheimer & Co. Inc.CRD 249 on BrokerCheck
Associated broker-dealer: None · NEW YORK, NY · Soliciting in all states
J.P. Morgan Securities LLCCRD 79 on BrokerCheck
Associated broker-dealer: None · NEW YORK, NY · Soliciting in all states
Raymond James & Associates, Inc.CRD 705 on BrokerCheck
Associated broker-dealer: None · ST. PETERSBURG, FL · Soliciting in all states
Questions About Advantage Advisers Xanthus Fund, L.L.C.
Each answer is built from the values on the SEC filing and the AltStreet ledger, not from the issuer's marketing.
What is Advantage Advisers Xanthus Fund, L.L.C.?
Advantage Advisers Xanthus Fund, L.L.C. is a Delaware limited liability company that filed a Form D with the SEC on February 20, 2026 as a hedge fund. The filing claims Rule 506(b) for an offering of pooled investment fund interests.
Is Advantage Advisers Xanthus Fund, L.L.C. legit?
AltStreet does not rate legitimacy; it reports the public record. Advantage Advisers Xanthus Fund, L.L.C. filed a Form D with the SEC on February 20, 2026 claiming Rule 506(b). A Form D is a notice of an exempt offering, not a review or approval of it. The newest notice reports $3,556,687,432 sold to 86,186 investors. AltStreet's enforcement record (SEC, FINRA and state actions) shows no action naming the issuer as of today. Before investing, confirm the filing on EDGAR, check the seller's registration on FINRA BrokerCheck, and read the offering documents, which a Form D does not include.
Is Advantage Advisers Xanthus Fund, L.L.C. registered with or approved by the SEC?
No. A Form D is a notice that an issuer is selling securities under an exemption from registration, and the SEC does not review, approve, or pass on the merits of the offering. The filing shows that Advantage Advisers Xanthus Fund, L.L.C. claimed Rule 506(b) and disclosed the items the form requires, such as the amount sold, the minimum investment, related persons, and anyone paid to sell the securities. It does not verify the issuer's claims or its business.
How much has Advantage Advisers Xanthus Fund, L.L.C. raised?
Advantage Advisers Xanthus Fund, L.L.C. reported $3,556,687,432 sold from 86,186 investors in an offering of indefinite size as of the Form D filed February 20, 2026.
Who can invest in Advantage Advisers Xanthus Fund, L.L.C.?
The offering relies on Rule 506(b), which permits sales to accredited investors and to no more than 35 non-accredited investors who meet a sophistication standard, and prohibits general solicitation. The filing reports no non-accredited investors. The filing lists the minimum investment as $0, meaning no minimum was stated.
What is the minimum investment in Advantage Advisers Xanthus Fund, L.L.C.?
The Form D lists the minimum investment as $0, which means the issuer did not state a minimum on the form. The offering documents, not the Form D, set the actual subscription terms.
Who is selling Advantage Advisers Xanthus Fund, L.L.C. and how are they paid?
The Form D names Oppenheimer & Co. Inc. (CRD 249), associated with None; J.P. Morgan Securities LLC (CRD 79), associated with None; Raymond James & Associates, Inc. (CRD 705), associated with None as recipients of sales compensation soliciting in all states. Sales commissions are reported as $16,908,407 and finders' fees as $0. Form D allows these to be estimates.
Who is behind Advantage Advisers Xanthus Fund, L.L.C.?
The Form D lists 7 related persons: Bryan McKigney, executive officer; Todd Milbourn, director (Member of the Board of Managers); Luis F. Rubio, director (Member of the Board of Managers); Janet L. Schinderman, director (Member of the Board of Managers); Jesse L. Ausubel, director (Member of the Board of Managers); Michael J. Murphy, director (Member of the Board of Managers); J. Advantage Advisers Multi-Manager, L.L.C., promoter (Investment Manager). Form D Item 3 requires executive officers, directors, and promoters of the issuer to be listed.
Where is Advantage Advisers Xanthus Fund, L.L.C. located?
The issuer's address on its SEC filings is 85 Broad Street, New York, NY 10004. Its phone number of record is 212-667-4225. It is organized under the laws of Delaware.
How long is the Advantage Advisers Xanthus Fund, L.L.C. offering open?
The issuer indicated that the offering is intended to last more than one year. An issuer must amend its Form D annually while a continuing offering stays open; 2 amendments are on record for this CIK.
How large is Advantage Advisers Xanthus Fund, L.L.C.?
The issuer declined to disclose its net asset value range on the Form D, which the form permits.
Is this your company or fund?
Free claim: add your contact details, website, team and a description to this page. The filed facts stay as filed.
Verified Issuer, $480 a year: AltStreet checks the identity of your company and the authority of the person claiming it against your filings, confirms your contact details on a stated date and again at each renewal, and marks the page so people researching you find a current, attributed profile beside the public filing record. It is not a review of any offering.
Data Methodology
Capital raise figures, investor counts, and filing dates are sourced directly from SEC EDGAR Form D primary documents via the SEC EDGAR submissions API and full-text search index. EDGAR entity profiles and deal-level data are reviewed by AltStreet analysts with backgrounds in corporate finance and securities law — cross-referenced against offering circulars, audited financial statements, and primary regulatory filings before publication. Platform-provided information, where present, is clearly labeled and does not affect EDGAR data or AltStreet editorial coverage. Platforms may request factual corrections for demonstrable inaccuracies by contacting [email protected]. This page does not constitute investment advice.