# RAMBUS INC DEL COM

RAMBUS INC DEL COM is a security (CUSIP 750917106) tracked across SEC portfolio filings. 598 institutional managers reported $7.8B on Form 13F as of 2026-06-30; 61 registered fund positions totaling $1.3B via N-PORT as of 2026-05-31.

## Summary

- Issuer: RAMBUS INC DEL
- Class: COM
- CUSIP: 750917106
- Asset category: EC
- 13F holders: 598
- 13F value: $7.8B
- 13F period: 2026-06-30
- N-PORT fund positions: 61
- N-PORT value: $1.3B
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 598 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $1.4B | 16,305,306 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.1B | 12,290,929 |
| STATE STREET CORP | BOSTON, MA | $376.3M | 4,373,617 |
| FMR LLC | BOSTON, MA | $285.5M | 3,318,449 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $268.8M | 3,124,495 |
| Swedbank AB | STOCKHOLM, V7 | $218.6M | 1,646,500 |
| EdgePoint Investment Group Inc. | TORONTO, A6 | $167.6M | 1,947,742 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $154.4M | 1,795,295 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $146.4M | 1,836,500 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $117.1M | 1,361,570 |
| NORTHERN TRUST CORP | CHICAGO, IL | $114.8M | 1,334,095 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $114.1M | 1,326,402 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $111.7M | 1,302,169 |
| Bank of New York Mellon Corp | NEW YORK, NY | $109.9M | 828,233 |
| MORGAN STANLEY | NEW YORK, NY | $104.4M | 1,213,197 |

## Top fund holders (N-PORT)

_Showing 15 of 61 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Invesco Small Cap Value Fund](https://search.stillhousedata.com/fund/S000027837) | AIM Sector Funds (Invesco Sector Funds) | $321.6M | 299.01% |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $279.2M | 115.29% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $103.4M | 12.68% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $85.3M | 39.19% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $80.7M | 46.02% |
| [T. Rowe Price Mid-Cap Growth Fund, Inc.](https://search.stillhousedata.com/fund/S000002102) | T. ROWE PRICE MID-CAP GROWTH FUND, INC. | $65.1M | 28.89% |
| [T. Rowe Price Mid-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002103) | T. ROWE PRICE MID-CAP VALUE FUND, INC. | $64.1M | 43.35% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $30.9M | 38.28% |
| [Fidelity Capital Appreciation Fund](https://search.stillhousedata.com/fund/S000005450) | Fidelity Capital Trust | $25.8M | 33.80% |
| [Fidelity Advisor Stock Selector Mid Cap Fund](https://search.stillhousedata.com/fund/S000005114) | Fidelity Advisor Series I | $22.5M | 88.57% |
| [LORD ABBETT DEVELOPING GROWTH FUND INC](https://search.stillhousedata.com/fund/S000006834) | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $18.6M | 83.70% |
| [Emerald Growth Fund](https://search.stillhousedata.com/fund/S000036390) | FINANCIAL INVESTORS TRUST | $18.1M | 128.39% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $16.0M | 36.84% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $15.1M | 31.29% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $11.2M | 44.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/750917106.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.