RUBRIK INC. (RBRK): Institutional Ownership
Hedge funds and institutional managers reporting a position in RBRK · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
25
13F filers
Aggregate Value
$296.9M
Across holders
Last Price
$72.33
2026-06-26
Sector
Information Technology
GICS
Holder activity9 new7 added8 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 2.31M | $113.3M | 38.2% | 0.1% | Added | +$78.2M | Q1 2026 |
| Altimeter Capital Management, LLC CIK 0001541617 | Hedge Fund | 832K | $50.7M | 17.1% | 1.0% | New | — | Q1 2025 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 733K | $35.9M | 12.1% | 0.0% | Added | +$17.9M | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 556K | $27.2M | 9.2% | 0.1% | Added | +$1.5M | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 377K | $18.5M | 6.2% | 0.0% | Reduced | $-16.9M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 193K | $9.5M | 3.2% | 0.0% | Reduced | $-304K | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 161K | $7.9M | 2.7% | 0.1% | New | — | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 124K | $6.1M | 2.0% | 0.0% | Unchanged | +$0 | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 65K | $5.8M | 2.0% | 0.0% | New | — | Q2 2025 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 89K | $4.4M | 1.5% | 0.0% | Added | +$428K | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 70K | $3.4M | 1.2% | 0.0% | Reduced | $-32K | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 55K | $2.7M | 0.9% | 0.0% | Added | +$1.9M | Q1 2026 |
| BAILLIE GIFFORD & CO CIK 0001088875 | Institutional Manager | 37K | $1.8M | 0.6% | 0.0% | New | — | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 36K | $1.7M | 0.6% | 0.0% | Reduced | $-793K | Q1 2026 |
| SOROS FUND MANAGEMENT LLC CIK 0001029160 | Family Office | 22K | $1.7M | 0.6% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 27K | $1.3M | 0.4% | 0.0% | Reduced | $-27.7M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 17K | $1.3M | 0.4% | 0.0% | New | — | Q4 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 25K | $1.2M | 0.4% | 0.0% | Reduced | $-553K | Q1 2026 |
| Pentwater Capital Management LP CIK 0001425851 | Hedge Fund | 12K | $946K | 0.3% | 0.0% | New | — | Q3 2025 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 5K | $386K | 0.1% | 0.0% | New | — | Q4 2025 |
Added
Hedge Fund
$113.3M· 38.2% of total· 0.1% port· 2.31M sh· +$78.2M QoQ· Q1 2026
New
Hedge Fund
$50.7M· 17.1% of total· 1.0% port· 832K sh· — QoQ· Q1 2025
Added
Hedge Fund
$35.9M· 12.1% of total· 0.0% port· 733K sh· +$17.9M QoQ· Q1 2026
Added
Hedge Fund
$27.2M· 9.2% of total· 0.1% port· 556K sh· +$1.5M QoQ· Q1 2026
Reduced
Hedge Fund
$18.5M· 6.2% of total· 0.0% port· 377K sh· $-16.9M QoQ· Q1 2026
Reduced
Hedge Fund
$9.5M· 3.2% of total· 0.0% port· 193K sh· $-304K QoQ· Q1 2026
New
Hedge Fund
$7.9M· 2.7% of total· 0.1% port· 161K sh· — QoQ· Q1 2026
Unchanged
Hedge Fund
$6.1M· 2.0% of total· 0.0% port· 124K sh· +$0 QoQ· Q1 2026
New
Hedge Fund
$5.8M· 2.0% of total· 0.0% port· 65K sh· — QoQ· Q2 2025
Added
Hedge Fund
$4.4M· 1.5% of total· 0.0% port· 89K sh· +$428K QoQ· Q1 2026
Reduced
Hedge Fund
$3.4M· 1.2% of total· 0.0% port· 70K sh· $-32K QoQ· Q1 2026
Added
Hedge Fund
$2.7M· 0.9% of total· 0.0% port· 55K sh· +$1.9M QoQ· Q1 2026
New
Institutional Manager
$1.8M· 0.6% of total· 0.0% port· 37K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$1.7M· 0.6% of total· 0.0% port· 36K sh· $-793K QoQ· Q1 2026
New
Family Office
$1.7M· 0.6% of total· 0.0% port· 22K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$1.3M· 0.4% of total· 0.0% port· 27K sh· $-27.7M QoQ· Q1 2026
New
Hedge Fund
$1.3M· 0.4% of total· 0.0% port· 17K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$1.2M· 0.4% of total· 0.0% port· 25K sh· $-553K QoQ· Q1 2026
New
Hedge Fund
$946K· 0.3% of total· 0.0% port· 12K sh· — QoQ· Q3 2025
New
Hedge Fund
$386K· 0.1% of total· 0.0% port· 5K sh· — QoQ· Q4 2025
Added
Hedge Fund
$383K· 0.1% of total· 0.0% port· 8K sh· +$9K QoQ· Q1 2026
Reduced
Hedge Fund
$354K· 0.1% of total· 0.0% port· 7K sh· $-10.1M QoQ· Q1 2026
New
Hedge Fund
$334K· 0.1% of total· 0.0% port· 4K sh· — QoQ· Q2 2025
Added
Hedge Fund
$46K· 0.0% of total· 0.0% port· 969 sh· +$11K QoQ· Q1 2026
Reduced
Hedge Fund
$5K· 0.0% of total· 0.0% port· 100 sh· $-10.8M QoQ· Q1 2026
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