13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0000883597
Total reported value
$1.0B
$1.0B
3 檔
95.6%
During the Q1 2026 filing period, Tetrad CORP (CIK: 0000883597) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $1.0B across 3 reported positions.
In Q1 2026, Tetrad CORP adopted a defensive or profit-taking posture, trimming 1 positions and completely liquidating 0 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 92.15% | -0.12% | — | |
| 2 | EPD | Enterprise Products Partners | Stock-Energy | 4.16% | -0.29% | — | |
| 3 | USB | US Bancorp | Stock-Financials | 3.69% | +0.41% | -0.21% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | EPD | Enterprise Products Partners | +0.8% | — | Unchanged |
| 2 | USB | US Bancorp | 0% | -0.21% | Trim |
| 3 | BRK-B | Berkshire Hathaway Inc-cl B | -0.8% | — | Unchanged |
According to official SEC Form 13F filings, Tetrad CORP reported a total U.S. public equity portfolio value of $1.0B across 3 disclosed positions in Q1 2026.
During Q1 2026, Tetrad CORP's top holdings by market value included BRK-B (92.2%)、EPD (4.2%)、USB (3.7%). The largest single position, BRK-B, represented 92.2% of total portfolio value.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including BRK-B, EPD, USB) accounted for 95.6% of total reported equity market value during Q1 2026.
Top Position Liquidated / Trimmed
USB
前期市值: $38.0M
In Q1 2026, Tetrad CORP made 1 total portfolio adjustments, initiating 0 new buys, adding to 0 positions, trimming 1 holdings, and fully liquidating 0 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.