Who Owns What?
Public-data reference. for PlainFundData.
Free searchable 13F database tracking institutional stock holdings, QoQ changes, top holders & concentration scores from SEC data.
Track institutional stock ownership from SEC Form 13F filings. Discover which hedge funds, mutual funds, and institutions hold which stocks.
Search funds (e.g. "Vanguard", "BlackRock") or stocks (e.g. "Apple", "Microsoft")
Expense Ratio Benchmark
How does the typical actively managed fund expense ratio compare? This gauge shows a representative 0.65% expense ratio — the asset-weighted average for U.S. equity funds — against industry benchmarks.
Expense ratio for U.S. Equity Fund Average — Green ≤ 0.20% (Low Cost), Yellow 0.20–0.75% (Average), Orange 0.75–1.50% (Above Avg), Red ≥ 1.50% (High Cost). Source: SEC EDGAR fund prospectus filings.
Largest Institutional Funds
View all →| # | Fund | Portfolio Value | Holdings |
|---|---|---|---|
| 1 | Neuberger Berman Group LLC | 123795.0T | 2,046 |
| 2 | JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) | 109559.3T | 7,377 |
| 3 | RHUMBLINE ADVISERS | 106905.3T | 4,181 |
| 4 | Clearbridge Investments, LLC | 92647.6T | 732 |
| 5 | Universal- Beteiligungs- und Servicegesellschaft mbH | 50588.7T | 1,006 |
| 6 | Squarepoint Ops LLC | 48084.7T | 2,814 |
| 7 | Cetera Investment Advisers | 42396.1T | 3,658 |
| 8 | Pacer Advisors, Inc. | 39146.8T | 3,827 |
| 9 | FRANKLIN RESOURCES INC (BEN) | 27177.2T | 2,907 |
| 10 | Boston Partners | 24705.7T | 766 |
Most Widely Held Stocks
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Investment Research Guides
Plain-language guides to understanding institutional ownership data and SEC 13F filings.
Guides & Analysis
Editorial research and plain-language explainers from our team. Every guide is written to help you read the underlying public data correctly.
Research
Original analysis from our editorial team, every statistic derived from our own database. See all research.
Top 10 Securities by Total Holder Value in 2025
Discover the 10 securities with the highest total value held by institutions, including NVIDIA Corporation at 293 billion dollars and Microsoft Corp with 272 holders, based on SEC Form 13F data from 122,759 holdings rows.
ResearchYear-Over-Year Trends in Institutional Holdings from 2024 to 2025
Examine trends in stock holdings over 8 quarters, highlighting NVIDIA Corporation's 15% share growth and 214,899 changes, using SEC data from filers like First Citizens Financial Corp with 50 filings.
ResearchConcentration Analysis of Ownership in Top Securities for 2025
Analyze how top 10 filers concentrate ownership in securities like NVIDIA Corporation with 60% of total shares and Microsoft Corp at 50% holder dominance, drawn from 366 filers and 122,759 holdings records.