Institutional Venture Management XV, LLC RBRK — RUBRIK INC.

Ownership history in Institutional Venture Management XV, LLC  ·  8 quarters on record

AI Ownership Summary

Institutional Venture Management XV, LLC reported RUBRIK INC. (RBRK) in 8 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 94.78% in 2025 Q4. The latest visible filing shows RBRK at 92.82% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this RBRK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Institutional Venture Management XV, LLC's position in RUBRIK INC., and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

RBRK was reported at 92.82% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
94.78% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

RBRK stock page Institutional Venture Management XV, LLC fund profile Institutional Venture Management XV, LLC full holdings
How Institutional Venture Management XV, LLC held RBRK — position size vs. price
% of Fund (quarterly)    RBRK price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 1,431,479 — 0% 92.82% $70.1M 2026-05-15 $63.77
2025 Q4 UNCHANGED — — — 1,431,479 — 0% 94.78% $109.5M 2026-02-17 $53.50
2025 Q3 REDUCED 34.0% -5.2% ✅ 1,431,479 -737,232 -34.0% 89.60% $117.7M 2025-11-14 $71.55
2025 Q2 UNCHANGED — — — 2,168,711 — 0% 80.30% $194.3M 2025-08-14 $84.45
2025 Q1 UNCHANGED — — — 2,168,711 — 0% 66.85% $132.2M 2025-05-15 $85.52
2024 Q4 ADDED — — — 2,168,711 +1,006,101 +86.5% 64.13% $141.7M 2025-02-14 $77.54
2024 Q3 ADDED — — — 1,162,610 +1,131,360 +3620.4% 20.71% $37.4M 2024-11-14 $44.50
2024 Q2 INITIATED — — — 31,250 — — 0.66% $958K 2024-08-14 $31.71

🏢 Other funds also holding RBRK

As of 2026 Q1 — sorted by position size

BAIN CAPITAL VENTURE INVESTORS, LLC 3Y 7Y 18.46% Greenvale Capital LLP 3Y 7Y 5.48% Robocap Asset Management Ltd 5.1% Bienville Capital Management, LLC 3Y 7Y 4.2% Penn Mutual Asset Management 3Y 7Y 4.13% Octahedron Capital Management L.P. 3Y 3.95% HAMILTON LANE ADVISORS LLC 3Y 7Y 3.19% DEEPWATER ASSET MANAGEMENT, LLC 3Y 2.75% Renaissance Capital LLC 3Y 2.63% Evolutionary Tree Capital Management, LLC 3Y 2.28%

FAQ About Institutional Venture Management XV, LLC and RBRK

These are the practical questions this page is built to answer before you even open the full history table.

How long has Institutional Venture Management XV, LLC reported owning RBRK?

Institutional Venture Management XV, LLC reported RBRK across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported RBRK position in Institutional Venture Management XV, LLC's portfolio?

The largest reported portfolio weight for RBRK was 94.78% in 2025 Q4.

What is the latest reported RBRK position on this page?

The most recent filing on this page is 2026 Q1, when Institutional Venture Management XV, LLC reported 1,431,479 shares, equal to 92.82% of portfolio, with an estimated market value of $70.1M.

What does the chart on this RBRK ownership page compare?

The chart compares Institutional Venture Management XV, LLC's quarterly RBRK portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Institutional Venture Management XV, LLC time their RBRK position?

Based on 13F filing dates vs. subsequent RBRK price moves, Institutional Venture Management XV, LLC correctly timed 4 out of 4 reported position changes (100%). The annualised alpha on RBRK relative to SPY over the holding period was +23.6%.

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