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Mayfield XII Management, L.L.C. Historical SEC 13F Holdings & Archive (Q3 2015)
Mayfield XII Management, L.L.C.CIK: 0001404329
Concentrated strategyLong-term holder
Total reported value
$32.1M
Reporting period: 2015-09-30 · Number of holdings: 1
Mayfield XII Management, L.L.C. disclosed 1 holdings in its latest 13F filing for the period ending 2015-09-30, with total reported value of $32.1M and a quarterly turnover rate of 19.5%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 19.48
- 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.govUnchanged RUBIEUR
-15.3% -$6.9M
Holdings Map
New buyAddUnchangedTrim
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | RUBIEUR | Rubicon Project Inc/the | Stock-Other | 100.00% | — | -15.32% |
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
Holding changes this quarter
Mayfield XII Management, L.L.C.'s most significant position changes for 2015-09-30: Trim: Rubicon Project Inc/the (RUBIEUR) — shares -15.32%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | RUBIEUR | Rubicon Project Inc/the | — | -15.32% | Trim |
Filing History
FAQ
What is Mayfield XII Management, L.L.C. and what type of investor is it?
Mayfield XII Management, L.L.C. 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 (2015-09-30), the firm manages a tracked equity portfolio valued at approximately $32.1M, spread across 1 disclosed positions.
What are Mayfield XII Management, L.L.C.'s largest equity positions?
Based on the latest 13F filing, Mayfield XII Management, L.L.C.'s top holdings by market value are:
1. Rubicon Project Inc/the (RUBIEUR) — $32.1M (100.0%)
What changes did Mayfield XII Management, L.L.C. make in its most recent portfolio filing?
In the latest quarter, Mayfield XII Management, L.L.C. took a more defensive posture — trimming 1 positions and completely exiting 0 holdings. The largest of these moves: Trim: Rubicon Project Inc/the (RUBIEUR) — shares -15.32%
What sectors does Mayfield XII Management, L.L.C. focus on?
Sector breakdown data is not yet available for Mayfield XII Management, L.L.C.. Check back after the next 13F processing cycle.
Investment Profile
Mayfield XII Management, L.L.C.'s portfolio is concentrated and long-term-holding.
Its turnover score has risen from 0 to 19 over the past 3 quarters — a shift toward more active trading.
It has trimmed its RUBIEUR position for two straight quarters, cutting it by $22.8M while still holding $32.1M.
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