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Nippon Life Insurance Co — 13F Filing & Top Stock Positions (Q2 2026)
Nippon Life Insurance CoCIK: 0000905591
Concentrated strategySector-focusedLong-term holder
Total reported value
$6.0B
Reporting period: 2026-06-30 · Number of holdings: 5
NIPPON LIFE INSURANCE CO disclosed 5 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $6.0B and a quarterly turnover rate of 0.0%.
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Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 0
- Momentum
- 50
- Sector conviction
- 100
- Diversification
- 10
- Sizing Uniformity
- 87.68
Nippon Life Insurance Co's disclosed holdings carry a Herfindahl concentration index of 0.443 — mathematically equivalent to about 2 equally-sized positions, well below its 5 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.23), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim MRSH
0.0% -$8.9M
Add CRBG
0.0% $581.7M
Add PFG
0.0% $320.5M
Trim PRU
0.0% $26.2M
Trim DB
0.0% $14.5M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | CRBG | Corebridge Financial Inc | Stock-Financials | 57.81% | +0.81% | — | |
| 2 | PFG | Principal Financial Group | Stock-Financials | 32.37% | +0.36% | — | |
| 3 | PRU | Prudential Financial Inc | Stock-Financials | 4.58% | -0.32% | — | |
| 4 | MRSH | Marsh & Mclennan Cos | Stock-Financials | 3.62% | -0.84% | — | |
| 5 | DB | Deutsche Bank Aktiengesellschaft | Stock-Financials | 1.62% | -0.02% | — |
* 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.
Portfolio Performance
Performance for Q3 2026
+17.4%
Performance Last 4 Quarters
+8.6%
- Stdev
- +19.7%
- Beta
- +1.04
- Alpha
- -10.1%
- Max Drawdown
- -19.4%
- Annualized Perf
- +9.3%
- Batting Avg vs S&P
- +38.9%
- Sortino
- +0.86
- Stutzer
- +0.16
- Treynor
- +0.1
- Sterling
- +0.42
- Calmar
- +0.48
- Information Ratio
- -0.64
- Tracking Error
- +14.4%
- Stdev Down
- +12.5%
- Winning Months %
- +58.3%
- Losing Months %
- +41.7%
- Best 12 Months
- +25.3%
- Worst 12 Months
- -14.4%
- Efficiency Ratio
- +0.18
- Sharpe
- +0.55
- Stdev Sectors
- 0%
- Skewness
- -0.19
- Kurtosis
- -0.77
- Upside Potential
- +2.74
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 5 | $6.0B | 0 | ||
| 2026 Q1 | 5 | $5.1B | 17 | ||
| 2025 Q4 | 4 | $5.8B | 6 | ||
| 2025 Q3 | 4 | $5.9B | 8 | ||
| 2025 Q2 | 4 | $6.6B | 0 | ||
| 2025 Q1 | 4 | $6.3B | 100 | ||
| 2024 Q4 | 4 | $5.9B | 0 | ||
| 2024 Q3 | 3 | $2.5B | 0 | ||
| 2024 Q2 | 3 | $2.3B | 0 | ||
| 2024 Q1 | 3 | $2.4B | 0 | ||
| 2023 Q4 | 3 | $2.2B | 0 | ||
| 2023 Q3 | 3 | $2.0B | 0 | ||
| 2023 Q2 | 3 | $2.1B | 0 | ||
| 2023 Q1 | 3 | $2.0B | 0 | ||
| 2022 Q4 | 3 | $2.2B | 0 | ||
| 2022 Q3 | 3 | $1.9B | 0 | ||
| 2022 Q2 | 3 | $1.9B | 0 | ||
| 2022 Q1 | 3 | $2.1B | 0 | ||
| 2021 Q4 | 3 | $2.0B | 0 | ||
| 2021 Q3 | 3 | $1.8B | 0 | ||
| 2021 Q2 | 3 | $1.8B | 100 | ||
| 2021 Q1 | 3 | $1.6B | 100 | ||
| 2020 Q4 | 11 | $4.8B | 30 | ||
| 2020 Q3 | 10 | $4.5B | 49 | ||
| 2020 Q2 | 9 | $4.4B | 93 | ||
| 2020 Q1 | 15 | $3.7B | 55 | ||
| 2019 Q4 | 19 | $4.8B | 13 | ||
| 2019 Q3 | 26 | $4.9B | 6 | ||
| 2019 Q2 | 26 | $4.8B | 6 | ||
| 2019 Q1 | 26 | $4.5B | 12 | ||
| 2018 Q4 | 26 | $4.0B | 16 | ||
| 2018 Q3 | 26 | $4.7B | 8 | ||
| 2018 Q2 | 26 | $4.4B | 6 | ||
| 2018 Q1 | 26 | $4.5B | 6 | ||
| 2017 Q4 | 27 | $4.7B | 22 | ||
| 2017 Q3 | 331 | $5.3B | 5 | ||
| 2017 Q2 | 332 | $5.2B | 8 | ||
| 2017 Q1 | 329 | $5.1B | 11 | ||
| 2016 Q4 | 334 | $5.0B | 17 | ||
| 2016 Q3 | 328 | $4.5B | 16 | ||
| 2016 Q2 | 326 | $4.0B | 32 | ||
| 2016 Q1 | 329 | $4.1B | 14 | ||
| 2015 Q4 | 307 | $3.9B | 9 | ||
| 2015 Q3 | 300 | $3.8B | 11 | ||
| 2015 Q2 | 302 | $4.1B | 8 | ||
| 2015 Q1 | 297 | $4.0B | 6 | ||
| 2014 Q4 | 301 | $4.1B | 8 | ||
| 2014 Q3 | 312 | $3.9B | 7 | ||
| 2014 Q2 | 277 | $3.9B | 11 | ||
| 2014 Q1 | 266 | $3.6B | 10 | ||
| 2013 Q4 | 262 | $3.6B | 11 | ||
| 2013 Q3 | 266 | $3.2B | 11 | ||
| 2013 Q2 | 266 | $3.1B | — |
Holding changes this quarter
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | CRBG | Corebridge Financial Inc | +0.8% | — | Unchanged |
| 2 | PFG | Principal Financial Group | +0.4% | — | Unchanged |
| 3 | DB | Deutsche Bank Aktiengesellschaft | 0% | — | Unchanged |
| 4 | PRU | Prudential Financial Inc | -0.3% | — | Unchanged |
| 5 | MRSH | Marsh & Mclennan Cos | -0.8% | — | Unchanged |
Filing History
FAQ
What is Nippon Life Insurance Co and what type of investor is it?
Nippon Life Insurance Co 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 (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $6.0B, spread across 5 disclosed positions.
What are Nippon Life Insurance Co's largest equity positions?
Based on the latest 13F filing, Nippon Life Insurance Co's top holdings by market value are:
1. Corebridge Financial Inc (CRBG) — $3.5B (57.8%)
2. Principal Financial Group (PFG) — $2.0B (32.4%)
3. Prudential Financial Inc (PRU) — $276.3M (4.6%)
4. Marsh & Mclennan Cos (MRSH) — $218.6M (3.6%)
5. Deutsche Bank Aktiengesellschaft (DB) — $98.0M (1.6%)
What changes did Nippon Life Insurance Co make in its most recent portfolio filing?
No notable portfolio changes were recorded for Nippon Life Insurance Co in the most recent quarter. Holdings appear to have remained relatively stable.
What sectors does Nippon Life Insurance Co focus on?
Nippon Life Insurance Co is concentrated in the following sectors based on its current disclosed equity portfolio:
• Financials: 100.0%
Investment Profile
Nippon Life Insurance Co returned an annualized 9.3% over the trailing 36 months — underperforming the S&P 500 by 10.1 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.04 (roughly in line with the market) and a 39% quarterly batting average against the index.
Its portfolio is concentrated and long-term-holding, with 100.0% of the portfolio concentrated in Financials.
It has added to its PFG position over the past two quarters (+$354.9M, now $2.0B), while trimming MRSH over the same stretch (-$24.7M, still holding $218.6M).
Peer Institutions
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Developer Access
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