Managers / Q4 2021 · view latest →
SRB CORP
CIK 0001496228 · 695 ATLANTIC AVENUE, BOSTON, MA, 02111 · 617-457-7527
Reported Value
$1.9B
Q4 2021
Positions
235
Filings on Record
30
2019–present window
Filed
Feb 14, 2022
original filing
Summary
Srb Corp reported $1.9B in U.S.-listed holdings across 235 positions for Q4 2021.
Its largest position, MSFT, represents 12.3% of the portfolio.
Compared with Q3 2021, the fund opened 44 new positions and exited 22.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
Composition data arrives with ticker enrichment.
Quarter-over-Quarter Changes full breakdown →
Holdings — Q4 2021
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $1.6B | 44 | May 14, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $1.8B | 44 | Feb 13, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $1.7B | 44 | Nov 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $1.7B | 44 | Aug 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $1.5B | 43 | May 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $1.7B | 40 | Feb 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $1.8B | 36 | Nov 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $1.7B | 38 | Aug 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $1.8B | 149 | May 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $1.7B | 179 | Feb 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $1.7B | 188 | Nov 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $1.7B | 192 | Aug 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $1.6B | 226 | May 15, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $1.6B | 187 | Feb 14, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $1.4B | 194 | Nov 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $1.5B | 213 | Aug 12, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $1.8B | 233 | May 13, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $1.9B | 235 | Feb 14, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $1.7B | 191 | Nov 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $1.5B | 161 | Aug 13, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $1.5B | 179 | May 14, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $1.4B | 315 | Feb 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $1.2B | 288 | Nov 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $1.2B | 284 | Aug 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $1.1B | 336 | May 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $1.2B | 291 | Feb 14, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $1.1B | 317 | Nov 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $1.1B | 335 | Aug 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $1.1B | 237 | May 14, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q4 2018 | $943M | 293 | Feb 14, 2019 | 13F-HR | changes · EDGAR ↗ |
Other Included Managers
This filing reports holdings on behalf of 2 additional managers.
- Plymouth Rock Co Inc028-15035
- Palisades Safety & Insurance Association028-15488
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.