MARSHALL WACE, LLP RBLX ROBLOX CORP - A

Ownership history in MARSHALL WACE, LLP  ·  19 quarters on record

AI Ownership Summary

MARSHALL WACE, LLP reported ROBLOX CORP - A (RBLX) in 19 quarterly 13F filings from 2024 Q2 through 2025 Q4. Peak portfolio weight reached 0.63% in 2025 Q2. The latest visible filing shows RBLX at 0.00% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this RBLX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was MARSHALL WACE, LLP's position in ROBLOX CORP - A, 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
2025 Q4

RBLX was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.63% in 2025 Q2

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 2025 Q4

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.

How MARSHALL WACE, LLP 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 12 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 100.0% -30.2% 100 -4,489,418 -100.0% 0.00% $8K 2026-02-14 (Est.) $63.17
2025 Q4 ADDED 4,489,518 +4,488,718 +561089.8% 0.33% $363.8M 2026-02-14 (Est.) $63.17
2025 Q4 ADDED 800 +100 +14.3% 0.00% $65K 2026-02-14 (Est.) $63.17
2025 Q3 REDUCED 36.4% -41.1% 700 -400 -36.4% 0.00% $97K 2025-11-13 $101.27
2025 Q3 REDUCED 100.0% -41.1% 1,100 -3,433,690 -100.0% 0.00% $152K 2025-11-13 $101.27
2025 Q3 REDUCED 35.4% -41.1% 3,434,790 -1,885,107 -35.4% 0.48% $475.8M 2025-11-13 $101.27
2025 Q2 REDUCED 20.7% +34.6% 5,319,897 -1,390,940 -20.7% 0.63% $559.7M 2025-08-13 $126.78
2025 Q1 ADDED 6,710,837 +4,564,124 +212.6% 0.50% $391.2M 2025-05-15 $80.77
2024 Q4 ADDED 2,146,713 +1,427,713 +198.6% 0.15% $124.2M 2025-02-13 $65.53
2024 Q3 REDUCED 90.0% +32.1% 719,000 -6,448,145 -90.0% 0.04% $31.8M 2024-11-14 $52.73
2024 Q3 ADDED 7,167,145 +4,814,469 +204.6% 0.39% $317.2M 2024-11-14 $52.73
2024 Q2 ADDED 2,352,676 +2,279,214 +3102.6% 0.12% $87.5M 2024-08-14 $39.09
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About MARSHALL WACE, LLP and RBLX

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

How long has MARSHALL WACE, LLP reported owning RBLX?

MARSHALL WACE, LLP reported RBLX across 12 quarterly 13F filings, from 2024 Q2 through 2025 Q4.

What was the largest reported RBLX position in MARSHALL WACE, LLP's portfolio?

The largest reported portfolio weight for RBLX was 0.63% in 2025 Q2.

What is the latest reported RBLX position on this page?

The most recent filing on this page is 2025 Q4, when MARSHALL WACE, LLP reported 100 shares, equal to 0.00% of portfolio, with an estimated market value of $8K.

What does the chart on this RBLX ownership page compare?

The chart compares MARSHALL WACE, LLP'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 MARSHALL WACE, LLP time their RBLX position?

Based on 13F filing dates vs. subsequent RBLX price moves, MARSHALL WACE, LLP correctly timed 9 out of 18 reported position changes (50%). The annualised alpha on RBLX relative to SPY over the holding period was +17.0%.

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