WM
White Mountains Advisors LLC Historical SEC 13F Holdings & Archive (Q3 2021)
White Mountains Advisors LLCCIK: 0001253840
Long-term holder
Total reported value
—
Reporting period: 2021-09-30 · Number of holdings: 1
White Mountains Advisors LLC disclosed 1 holdings in its latest 13F filing for the period ending 2021-09-30, with total reported value of — and a quarterly turnover rate of 0.0%.
Personality snowflake
- Concentration
- 0
- Portfolio Stability
- 0
- Momentum
- 50
- Sector conviction
- 0
- Diversification
- 2
- Sizing Uniformity
- —
Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govNo holding changes this quarter
Holdings Map
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ✓ | Ikena Oncology Inc | Stock-Other | — | — | — |
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2021 Q3 | 1 | — | 0 | ||
| 2021 Q2 | 1 | — | 0 | ||
| 2021 Q1 | 1 | — | 0 | ||
| 2020 Q4 | 1 | — | 100 | ||
| 2020 Q3 | 3 | $84.7M | 100 | ||
| 2020 Q2 | 3 | $442.4M | 9 | ||
| 2020 Q1 | 3 | $403.8M | 25 | ||
| 2019 Q4 | 3 | $521.6M | 3 | ||
| 2019 Q3 | 3 | $506.1M | 1 | ||
| 2019 Q2 | 3 | $499.7M | 26 | ||
| 2019 Q1 | 3 | $646.3M | 5 | ||
| 2018 Q4 | 3 | $617.0M | 9 | ||
| 2018 Q3 | 3 | $675.3M | 19 | ||
| 2018 Q2 | 3 | $558.9M | 6 | ||
| 2018 Q1 | 3 | $592.2M | 16 | ||
| 2017 Q4 | 4 | $692.2M | 18 | ||
| 2017 Q3 | 3 | $579.7M | 19 | ||
| 2017 Q2 | 3 | $695.4M | 71 | ||
| 2017 Q1 | 3 | $330.6M | 20 | ||
| 2016 Q4 | 3 | $270.3M | 100 | ||
| 2016 Q3 | 3 | $90.5M | 100 | ||
| 2016 Q2 | 5 | $65.6M | 100 | ||
| 2016 Q1 | 5 | $321.5M | 18 | ||
| 2015 Q4 | 5 | $334.5M | 6 | ||
| 2015 Q3 | 5 | $315.1M | 8 | ||
| 2015 Q2 | 5 | $340.1M | 100 | ||
| 2014 Q4 | 3 | $190.6M | 0 |
Holding changes this quarter
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|
Filing History
FAQ
What is White Mountains Advisors LLC and what type of investor is it?
White Mountains Advisors LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2021-09-30), the firm manages a tracked equity portfolio valued at approximately —, spread across 1 disclosed positions.
What are White Mountains Advisors LLC's largest equity positions?
Based on the latest 13F filing, White Mountains Advisors LLC's top holdings by market value are:
1. Ikena Oncology Inc — $0.0
What changes did White Mountains Advisors LLC make in its most recent portfolio filing?
No notable portfolio changes were recorded for White Mountains Advisors LLC in the most recent quarter. Holdings appear to have remained relatively stable.
What sectors does White Mountains Advisors LLC focus on?
Sector breakdown data is not yet available for White Mountains Advisors LLC. Check back after the next 13F processing cycle.
Investment Profile
White Mountains Advisors LLC's portfolio is broadly diversified and long-term-holding.
Its concentration score has fallen from 100 to 0 over the past 4 quarters — a shift toward broader diversification.
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Sector conviction0.0
View detail
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Developer Access
Access White Mountains Advisors LLC's institutional profile programmatically:
REST API
curl https://alphasmo.com/api/v1/institutions/white-mountains-advisors-llcCLI
npx alphasmo institutions get white-mountains-advisors-llc