DOSSIER · 13F Holders · Q1 2026Technology · Services-Prepackaged Software
RBLX

ROBLOX CORP

873 institutions still hold ROBLOX CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 771049103·Services-Prepackaged Software·873 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$21.3B
visible holders
Holders
873
filers reporting
Concentration
12.35%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

Last quarter, Assenagon Asset Management already led Roblox's institutional holder table with 1,002,156 shares. This quarter that position nearly doubled to 1,893,790 shares — pushing Assenagon's share of the $165.2 million in tracked institutional value to roughly 62%, up from an already-large base. Because Assenagon is flagged quasi_passive in this dataset, the increase more likely reflects index-tracking mechanics than a discretionary bet on Roblox. Underneath that dominant position, four holders — Avanza Fonder, Kennicott Capital, Burney Co, and E. Ohman J:or — reported completely unchanged share counts, while two smaller managers, NorthCrest Asset Management (+103% shares) and Waddell & Associates (+145% shares), made genuine, if modest, conviction adds.

Four holders that didn't move at all

Beneath that shift, four separate institutions reported precisely unchanged share counts this quarter: Avanza Fonder AB (46,238 shares), Kennicott Capital Management (24,926 shares), Burney Co (20,400 shares), and E. Ohman J:or Asset Management (18,598 shares) — a notable cluster of static positions in a stock that otherwise saw its largest holder's stake nearly double.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$2.6B46.6M0.14%Q1 2026
02
BlackRock, Inc.
CIK 0002012383
$2.2B39.1M0.04%Q1 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$1.7B30.6M0.09%Q1 2026
04
Capital International Investors
CIK 0001562230
$1.6B29.2M0.39%Q1 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.6B28.6M0.04%Q1 2026
06
MORGAN STANLEY
CIK 0000895421
$1.3B23.1M0.08%Q1 2026
07
Capital World Investors
CIK 0001422849
$1.3B22.5M0.17%Q1 2026
08
BAILLIE GIFFORD & CO
CIK 0001088875
$1.2B21.4M1.24%Q1 2026
09
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$1.1B19.1M0.13%Q1 2026
10
IEQ CAPITAL, LLC
CIK 0001779789
$935M16.5M4.34%Q1 2026
11
STATE STREET CORP
CIK 0000093751
$805M14.2M0.03%Q1 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$692M12.3M0.04%Q1 2026
13
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$687M12.2M0.55%Q1 2026
14
CITADEL ADVISORS LLC
CIK 0001423053
$665M8.2M0.10%Q4 2025
15
D. E. Shaw & Co., Inc.
CIK 0001009207
$611M7.5M0.33%Q4 2025
16
TWO SIGMA ADVISERS, LP
CIK 0001478735
$527M6.5M1.03%Q4 2025
17
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$450M8.3M0.21%Q1 2026
18
Temasek Holdings (Private) Ltd
CIK 0001021944· Sovereign
$440M7.8M1.44%Q1 2026
19
GOLDMAN SACHS GROUP INC
CIK 0000886982
$424M7.5M0.05%Q1 2026
20
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$403M7.1M0.63%Q1 2026
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Insiders at ROBLOX CORP
Rawlings Amy MarieReinstra MarkLee Anthony PBaszucki GregoryMastantuono GinaBaszucki DavidKaufman Matthew DChopra Naveen K.