Institutional Venture Management XV, LLC — 13F Holdings & Portfolio
CIK 1640275 · latest 13F-HR filed 2026-08-14
Institutional Venture Management XV, LLC manages $121.5M in 13F-reported U.S. long-equity assets across 3 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are RBRK (94.56%), ZIP (3.73%), LVLU (1.71%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions and exited 0; 2 existing positions rose in reported value and 1 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.
Sector mix
% of 13F valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.
13F assets and positions
4 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 100%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 28, 2026.
BLDG. 2, STE. 250
MENLO PARK, CA 94025
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| CHAFFEE, TODD, CLAYTON Control | MANAGING DIRECTOR since Apr 2015 | 10–25% | Individual |
| DASH, SOMESH Control | MANAGING DIRECTOR since Apr 2015 | Less than 5% | Individual |
| FOGELSONG, NORMAN, ARTHUR Control | MANAGING DIRECTOR since Apr 2015 | 5–10% | Individual |
| HARRICK, STEPHEN, JAMES Control | MANAGING DIRECTOR since Apr 2015 | 10–25% | Individual |
| LIAW, ERIC Control | MANAGING DIRECTOR since Apr 2015 | Less than 5% | Individual |
| MALTZ, JULES, ANDREW Control | MANAGING DIRECTOR since Apr 2015 | 10–25% | Individual |
| MILLER, JOSEPH, SANFORD Control | MANAGING DIRECTOR since Apr 2015 | 10–25% | Individual |
| PHELPS, DENNIS, BRIAN Control | MANAGING DIRECTOR since Apr 2015 | 10–25% | Individual |
| DENNIS B. PHELPS, JR. REVOCABLE TRUST | MEMBER since Apr 2015 | 10–25% | Domestic Entity |
| GREEN COCONUTS REVOCABLE TRUST | MEMBER since Jul 2021 | 5–10% | Domestic Entity |
| J. SANFORD MILLER 2005 TRUST | MEMBER since Apr 2015 | Less than 5% | Domestic Entity |
| J. SANFORD MILLER VENTURE PARTNERS II, L.P. | MEMBER since Jul 2015 | 5–10% | Domestic Entity |
| JULES MALTZ AND KELLY GREENWOOD FAMILY TRUST | MEMBER since Jul 2018 | 10–25% | Domestic Entity |
| NORMAN A../JILL M. FOGELSONG TRUST | MEMBER since Apr 2015 | 5–10% | Domestic Entity |
| STEPHEN J. HARRICK/JENNIFER U. MIN TRUST | MEMBER since Apr 2015 | 10–25% | Domestic Entity |
| Stolper, Leslie | CCO since Dec 2023 | Less than 5% | Individual |
| ERIC LIAW/AMY C. LIAW Indirect owner via GREEN COCONUTS REVOCABLE TRUST | TRUSTEE since Jul 2021 | General partner, trustee or manager | Individual |
| J. SANFORD MILLER 2005 TRUST Indirect owner via J. SANFORD MILLER VENTURE PARTNERS II, L.P. | PARTNER since Jul 2015 | 75% or more | Domestic Entity |
| J. SANFORD MILLER 2005 TRUST, A MEMBER OF J. SANFORD MILLER VENTURE MANAGEMENT II, LLC Indirect owner via J. SANFORD MILLER VENTURE MANAGEMENT II, LLC | MEMBER since Jul 2015 | 75% or more | Domestic Entity |
| J. SANFORD MILLER VENTURE MANAGEMENT II, LLC Indirect owner via J. SANFORD MILLER VENTURE PARTNERS II, L.P. | PARTNER since Jul 2015 | General partner, trustee or manager | Domestic Entity |
| J. SANFORD MILLER, TRUSTEE OF THE J. SANFORD MILLER 2005 TRUST Indirect owner via J. SANFORD MILLER 2005 TRUST | TRUSTEE since Apr 2015 | General partner, trustee or manager | Individual |
| JULES MALTZ/KELLY GREENWOOD Indirect owner via JULES MALTZ AND KELLY GREENWOOD FAMILY TRUST | TRUSTEE since Jul 2018 | General partner, trustee or manager | Individual |
| NORMAN A./JILL M. FOGELSONG Indirect owner via NORMAN A./JILL M. FOGELSONG TRUST | TRUSTEE since Apr 2015 | General partner, trustee or manager | Individual |
| PHELPS, DENNIS BRIAN Indirect owner via DENNIS B. PHELPS, JR. REVOCABLE TRUST | TRUSTEE since Apr 2015 | General partner, trustee or manager | Individual |
| STEPHEN J. HARRICK/JENNIFER U. MIN Indirect owner via HARRICK/MIN TRUST | TRUSTEE since Apr 2015 | General partner, trustee or manager | Individual |
Ownership & leadership changes · 5 filings with changes since Jun 9, 2015
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- No longer listedHOGAN, TRACY · CFO · Less than 5% · listed since Apr 2015
- AddedStolper, Leslie · CCO · Less than 5%
- AddedERIC LIAW/AMY C. LIAW · TRUSTEE · General partner, trustee or manager · indirect via GREEN COCONUTS REVOCABLE TRUST
- AddedGREEN COCONUTS REVOCABLE TRUST · MEMBER · 5–10%
- ChangedJ. SANFORD MILLER 2005 TRUST · ownership 5–10% → Less than 5%
- AddedJULES MALTZ AND KELLY GREENWOOD FAMILY TRUST · MEMBER · 10–25%
- AddedJULES MALTZ/KELLY GREENWOOD · TRUSTEE · General partner, trustee or manager · indirect via JULES MALTZ AND KELLY GREENWOOD FAMILY TRUST
- AddedJ. SANFORD MILLER 2005 TRUST · PARTNER · 75% or more · indirect via J. SANFORD MILLER VENTURE PARTNERS II, L.P.
- AddedJ. SANFORD MILLER 2005 TRUST, A MEMBER OF J. SANFORD MILLER VENTURE MANAGEMENT II, LLC · MEMBER · 75% or more · indirect via J. SANFORD MILLER VENTURE MANAGEMENT II, LLC
- AddedJ. SANFORD MILLER VENTURE MANAGEMENT II, LLC · PARTNER · General partner, trustee or manager · indirect via J. SANFORD MILLER VENTURE PARTNERS II, L.P.
- AddedJ. SANFORD MILLER VENTURE PARTNERS II, L.P. · MEMBER · 5–10%
- ChangedJ. SANFORD MILLER 2005 TRUST · ownership 10–25% → 5–10%
- ListedCHAFFEE, TODD, CLAYTON · MANAGING DIRECTOR · 10–25% · control person
- ListedDASH, SOMESH · MANAGING DIRECTOR · Less than 5% · control person
- ListedDENNIS B. PHELPS, JR. REVOCABLE TRUST · MEMBER · 10–25%
- ListedFOGELSONG, NORMAN, ARTHUR · MANAGING DIRECTOR · 5–10% · control person
- ListedHARRICK, STEPHEN, JAMES · MANAGING DIRECTOR · 10–25% · control person
- ListedHOGAN, TRACY · CFO · Less than 5%
- ListedJ. SANFORD MILLER 2005 TRUST · MEMBER · 10–25%
- ListedJ. SANFORD MILLER, TRUSTEE OF THE J. SANFORD MILLER 2005 TRUST · TRUSTEE · General partner, trustee or manager · indirect via J. SANFORD MILLER 2005 TRUST
- ListedLIAW, ERIC · MANAGING DIRECTOR · Less than 5% · control person
- ListedMALTZ, JULES, ANDREW · MANAGING DIRECTOR · 10–25% · control person
- ListedMILLER, JOSEPH, SANFORD · MANAGING DIRECTOR · 10–25% · control person
- ListedNORMAN A../JILL M. FOGELSONG TRUST · MEMBER · 5–10%
- ListedNORMAN A./JILL M. FOGELSONG · TRUSTEE · General partner, trustee or manager · indirect via NORMAN A./JILL M. FOGELSONG TRUST
- ListedPHELPS, DENNIS BRIAN · TRUSTEE · General partner, trustee or manager · indirect via DENNIS B. PHELPS, JR. REVOCABLE TRUST
- ListedPHELPS, DENNIS, BRIAN · MANAGING DIRECTOR · 10–25% · control person
- ListedSTEPHEN J. HARRICK/JENNIFER U. MIN · TRUSTEE · General partner, trustee or manager · indirect via HARRICK/MIN TRUST
- ListedSTEPHEN J. HARRICK/JENNIFER U. MIN TRUST · MEMBER · 10–25%
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Institutional Venture Management XV, LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $121.5M | 3 | 0001640275-26-000008 |
| 2026-03-31 | 2026-05-15 | $75.5M | 3 | 0001640275-26-000005 |
| 2025-12-31 | 2026-02-17 | $115.5M | 3 | 0001640275-26-000002 |
| 2025-09-30 | 2025-11-14 | $131.4M | 3 | 0001640275-25-000006 |
BUILDING 2, SUITE 250
MENLO PARK, CA 94025