Capital International Sarl RBLX — ROBLOX CORP

Ownership history in Capital International Sarl  ·  5 quarters on record

AI Ownership Summary

Capital International Sarl reported ROBLOX CORP (RBLX) in 5 quarterly 13F filings from 2025 Q1 through 2026 Q1. Peak portfolio weight reached 0.91% in 2025 Q3. The latest visible filing shows RBLX at 0.39% 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 RBLX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Capital International Sarl's position in ROBLOX CORP, 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

RBLX was reported at 0.39% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.91% in 2025 Q3

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

Time in book
Holding Window
2025 Q1 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.

RBLX stock page Capital International Sarl fund profile Capital International Sarl full holdings
How Capital International Sarl held RBLX — position size vs. price
% of Fund (quarterly)    RBLX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 5 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 421,964 +50,439 +13.6% 0.39% $23.9M 2026-05-13 $41.96
2025 Q4 REDUCED — — — 371,525 -9,541 -2.5% 0.48% $30.1M 2026-02-11 $68.99
2025 Q3 ADDED — — — 381,066 +7,991 +2.1% 0.91% $52.8M 2025-11-13 $101.27
2025 Q2 ADDED — — — 373,075 +141,787 +61.3% 0.75% $39.2M 2025-08-13 $126.78
2025 Q1 INITIATED — — — 231,288 — — 0.31% $13.5M 2025-05-12 $73.49

🏢 Other funds also holding RBLX

As of 2026 Q1 — sorted by position size

Altos Ventures Management, Inc. 3Y 100.0% Meritech Capital Associates V L.L.C. 3Y 43.17% 12 West Capital Management LP 3Y 7Y 9.07% Islander Capital Partners, L.P. 8.41% Grace & Mercy Foundation, Inc. 3Y 6.79% SOMA EQUITY PARTNERS LP 3Y 7Y 6.72% ValueAct Holdings, L.P. 3Y 7Y 5.79% HMI Capital Management, L.P. 3Y 7Y 5.75% Gavilan Investment Partners LLC 3Y 4.71% Contour Asset Management LLC 3Y 7Y 4.6%

FAQ About Capital International Sarl and RBLX

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

How long has Capital International Sarl reported owning RBLX?

Capital International Sarl reported RBLX across 5 quarterly 13F filings, from 2025 Q1 through 2026 Q1.

What was the largest reported RBLX position in Capital International Sarl's portfolio?

The largest reported portfolio weight for RBLX was 0.91% in 2025 Q3.

What is the latest reported RBLX position on this page?

The most recent filing on this page is 2026 Q1, when Capital International Sarl reported 421,964 shares, equal to 0.39% of portfolio, with an estimated market value of $23.9M.

What does the chart on this RBLX ownership page compare?

The chart compares Capital International Sarl's quarterly RBLX 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 Capital International Sarl time their RBLX position?

Based on 13F filing dates vs. subsequent RBLX price moves, Capital International Sarl correctly timed 2 out of 4 reported position changes (50%). The annualised alpha on RBLX relative to SPY over the holding period was -55.6%.

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