Roblox
RBLX
950 hedge funds and large institutions have $43.6B invested in Roblox in 2025 Q4 according to their latest regulatory filings, with 161 funds opening new positions, 355 increasing their positions, 317 reducing their positions, and 222 closing their positions.
19% more call options, than puts
Call options by funds: $1.78B | Put options by funds: $1.49B
12% more repeat investments, than reductions
Existing positions increased: 355 | Existing positions reduced: 317
0.1% more ownership
Funds ownership: 82.07% → 82.17% (+0.1%)
7% less funds holding
Funds holding: 1,027 → 950 (-77)
27% less first-time investments, than exits
New positions opened: 161 | Existing positions closed: 222
40% less capital invested
Capital invested by funds: $73.2B → $43.6B (-$29.7B)
41% less funds holding in top 10
Funds holding in top 10: 44 → 26 (-18)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Advisers
New York
|
+$384M |
| 2 |
SIM
SRS Investment Management
New York
|
+$312M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$282M |
| 4 |
Capital International Investors
Los Angeles,
California
|
+$232M |
| 5 |
BlackRock
New York
|
+$227M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$676M |
| 2 |
DCP
Durable Capital Partners
Bethesda,
Maryland
|
-$251M |
| 3 |
Ninety One (UK)
London,
United Kingdom
|
-$237M |
| 4 |
FAM
Fred Alger Management
New York
|
-$223M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$213M |
RBLX Hedge Fund Activity: Q4 2025 in Review
950 of the 8,263 institutional investors tracked by Wall St. Rank reported a position in Roblox (RBLX) for Q4 2025, worth a combined $43.6B — down 40% from $73.2B a quarter earlier.
Sellers outnumbered buyers: 222 funds closed out of RBLX and 161 opened new positions — a net loss of 61 holders — while 317 trimmed existing stakes and 355 added.
The largest buyer was Two Sigma Advisers, adding an estimated $384M. The largest seller was Arrowstreet Capital, exiting entirely with an estimated $676M sold.
- 950 institutional investors held Roblox (RBLX) as of Q4 2025, down from 1,027 in Q3 2025.
- Funds reported $43.6B of Roblox stock for Q4 2025, down 40% quarter-over-quarter.
- 161 funds opened new Roblox positions in Q4 2025 and 222 closed out, a net change of -61 holders.
- The largest Roblox buyer in Q4 2025 was Two Sigma Advisers, an estimated $384M added.
- The largest Roblox seller in Q4 2025 was Arrowstreet Capital, an estimated $676M sold.
Based on aggregated 13F filings for Q4 2025.