Stocks › RBRK
Rubrik, Inc.
RBRK·NYSE·
United States·USD
United States·USD$125.80
+3.12 (+2.54%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
RBRK
Rubrik, Inc. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
RBRKS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of RBRK by members of U.S. Congress · 0 on record
No congressional trades in RBRK on record.
Whale Activity
Position changes in RBRK reported for 2026-06-30 by 15 tracked institutional filers
- Increased5
- New0
- Held0
- Decreased3
- Closed2
- No prior filing5
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 10.0M | $802.0M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.3M | $666.4M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.9M | $552.7M | increased |
| TWO SIGMA INVESTMENTS, LP | 561.0K | $45.0M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 509.2K | $40.9M | increased |
| Champlain Investment Partners, LLC | 456.3K | $36.6M | — |
| Abu Dhabi Investment Council Co P.J.S.C | 445.3K | $35.8M | — |
| MILLENNIUM MANAGEMENT LLC | 131.1K | $10.5M | decreased |
| Bienville Capital Management, LLC | 121.0K | $9.7M | — |
| Point72 Asset Management, L.P. | 52.9K | $4.3M | increased |
| Grandeur Peak Global Advisors, LLC | 44.0K | $3.5M | — |
| D. E. Shaw & Co., Inc. | 33.5K | $2.7M | decreased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by RBRK insiders, by quarter · Form 4
Recent Insider Transactions
897 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Wassenaar YvonneDirector · Director | Sale | −721 | $119.00 | $86K | Oct 5, 2026 | Form 4 ↗ |
| THOMPSON JOHN WENDELLDirector · Director | Sale | −896 | $114.71 | $103K | Oct 1, 2026 | Form 4 ↗ |
| THOMPSON JOHN WENDELLDirector · Director | Sale | −7,710 | $115.57 | $891K | Oct 1, 2026 | Form 4 ↗ |
| THOMPSON JOHN WENDELLDirector · Director | Sale | −500 | $116.47 | $58K | Oct 1, 2026 | Form 4 ↗ |
| THOMPSON JOHN WENDELLDirector · Director | Sale | −300 | $114.68 | $34K | Oct 1, 2026 | Form 4 ↗ |
| THOMPSON JOHN WENDELLDirector · Director | Sale | −2,394 | $116.46 | $279K | Oct 1, 2026 | Form 4 ↗ |
| THOMPSON JOHN WENDELLDirector · Director | Sale | −1,700 | $115.62 | $197K | Oct 1, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −300 | $105.98 | $32K | Sep 17, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −2,728 | $107.42 | $293K | Sep 17, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −2,572 | $108.05 | $278K | Sep 17, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −200 | $103.86 | $21K | Sep 17, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −200 | $102.05 | $20K | Sep 17, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −700 | $102.72 | $72K | Sep 15, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −586 | $100.20 | $59K | Sep 15, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −400 | $103.48 | $41K | Sep 15, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −1,214 | $101.47 | $123K | Sep 15, 2026 | Form 4 ↗ |
| Choudary Kiran KumarChief Financial Officer | Sale | −1,100 | $99.08 | $109K | Sep 15, 2026 | Form 4 ↗ |
| Nithrakashyap ArvindChief Technology Officer · Director | Sale | −611 | $89.12 | $54K | Sep 10, 2026 | Form 4 ↗ |
| Nithrakashyap ArvindChief Technology Officer · Director | Sale | −4,844 | $89.73 | $435K | Sep 10, 2026 | Form 4 ↗ |
| Nithrakashyap ArvindChief Technology Officer · Director | Sale | −4,675 | $90.88 | $425K | Sep 10, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding RBRK · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 4.7M | $381.2M | 0.02% | Jun 30, 2026 |
| First Trust Nasdaq Cybersecurity ETF First Trust Exchange-Traded Fund II | 4.6M | $369.0M | 2.67% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 3.4M | $275.4M | 0.15% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 2.2M | $174.6M | 0.10% | May 31, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 2.2M | $174.4M | 0.26% | Jun 30, 2026 |
| Select Software and IT Services Portfolio Fidelity Select Portfolios | 1.9M | $152.0M | 2.02% | May 31, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.8M | $148.2M | 0.15% | Jun 30, 2026 |
| Amplify Cybersecurity ETF Amplify ETF Trust | 1.3M | $103.2M | 3.98% | Jun 30, 2026 |
| Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust | 1.3M | $102.0M | 0.10% | May 31, 2026 |
| VANGUARD EXPLORER FUND | 1.4M | $100.3M | 0.45% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list RBRK's shares (CUSIP 781154109), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Lightspeed General Partner Select II, L.P.SCHEDULE 13G/A · passive (13G) · 724.7K shares0.4%
Aug 14, 2026 · ↗ - Lightspeed Venture Partners Select II, L.P.SCHEDULE 13G/A · passive (13G) · 724.7K shares0.4%
Aug 14, 2026 · ↗ - LS SPV Management, LLCSCHEDULE 13G/A · passive (13G) · 3.3M shares2.0%
Aug 14, 2026 · ↗ - Lightspeed SPV I-C, LLCSCHEDULE 13G/A · passive (13G) · 777.0K shares0.5%
Aug 14, 2026 · ↗ - Lightspeed SPV I-B, LLCSCHEDULE 13G/A · passive (13G) · 1.1M shares0.7%
Aug 14, 2026 · ↗ - Lightspeed SPV I, LLCSCHEDULE 13G/A · passive (13G) · 1.4M shares0.9%
Aug 14, 2026 · ↗ - Lightspeed Ultimate General Partner IX, Ltd.SCHEDULE 13G/A · passive (13G) · 3.1M shares1.9%
Aug 14, 2026 · ↗ - Lightspeed General Partner IX, L.P.SCHEDULE 13G/A · passive (13G) · 3.1M shares1.9%
Aug 14, 2026 · ↗ - Lightspeed Ultimate General Partner Select II, Ltd.SCHEDULE 13G/A · passive (13G) · 724.7K shares0.4%
Aug 14, 2026 · ↗ - Lightspeed Venture Partners IX, L.P.SCHEDULE 13G/A · passive (13G) · 3.1M shares1.9%
Aug 14, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming Rubrik, Inc. as client
No lobbying filings found naming Rubrik, Inc. as the client.
Government Contracts
Federal awards to Rubrik, Inc. · USAspending
No federal contract awards found for Rubrik, Inc..
U.S. Patents
Recent USPTO applications naming Rubrik, Inc.
No USPTO patent applications found for Rubrik, Inc..
Annual Financials
From RBRK's 10-K filings · XBRL
No annual XBRL figures on record for RBRK. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in RBRK's price history.
About Rubrik, Inc.
From SEC EDGAR company records
Industry (SIC 7372)Services-Prepackaged Software
SectorTechnology
HeadquartersPALO ALTO, CA
IncorporatedDE
SEC CIK0001943896 ↗
Former namesRubrik, Inc.