Massachusetts Mutual Life Insurance Co holds a concentrated book of 2 reported positions worth $2.4B as of Q2 2026 (disclosed Aug 7, 2026, a ~38-day 13F lag). Their largest long position is Invesco Ltd at 90% of the reported non-option book.
Massachusetts Mutual Life Insurance Co files as an insurer: this book is the equity sleeve of its general account.
Top-heavy: concentrated book
Excluding Invesco Ltd (90% of the book), the rest is a concentrated book:
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Other tracked managers holding the same core names as Massachusetts Mutual Life Insurance Co
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Endure Capital Management, LLC | 2 / 2 | $13.6M |
| Poehling Capital Management, INC. | 2 / 2 | $12.8M |
| Friedenthal Financial | 2 / 2 | $2.2M |
| Lecap Asset Management Ltd | 2 / 2 | $2.0M |
| Wedge Capital Management L L P | 2 / 2 | $34.0M |
| Fox Run Management, L.L.C. | 2 / 2 | $3.1M |
| Engineers Gate Manager LP | 2 / 2 | $37.9M |
| Bayesian Capital Management, LP | 2 / 2 | $741K |
Ranked by the share of each fund's own book sitting in the names it shares with Massachusetts Mutual Life Insurance Co: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Invesco Ltd COM | $2.1B | 81.33M | 90.2% | —Held | |
| 2 | Jefferies Financial Group Inc COM | $232.6M | 4.65M | 9.8% | —Held |
This insurer page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/225602/holdings"
Use Arkolith to show MASSACHUSETTS MUTUAL LIFE INSURANCE CO's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter, log scale (the range spans more than 20x). Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Aug 7, 2026 | 38d | 2 | $2.4B | 13F-HR |
| Q1 2026 | Mar 31, 2026 | Apr 28, 2026 | 28d | 2 | $2.2B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 44d | 2 | $2.4B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 4, 2025 | 35d | 2 | $2.2B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 15, 2025 | 46d | 2 | $1.5B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 14, 2025 | 44d | 2 | $1.5B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 13, 2025 | 44d | 2 | $1.8B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 15, 2024 | 46d | 2 | $1.7B | 13F-HR |
| Q1 2015 | Mar 31, 2015 | Apr 16, 2015 | 16d | 46 | $88.6M | 13F-HR |
| Q4 2014 | Dec 31, 2014 | Jan 15, 2015 | 15d | 21 | $33.2M | 13F-HR |
| Q3 2014 | Sep 30, 2014 | Nov 6, 2014 | 37d | 25 | $32.9M | 13F-HR |
| Q2 2014 | Jun 30, 2014 | Jul 14, 2014 | 14d | 22 | $30.6M | 13F-HR |
| Q1 2014 | Mar 31, 2014 | May 9, 2014 | 39d | 20 | $27.2M | 13F-HR |
| Q4 2013 | Dec 31, 2013 | Feb 13, 2014 | 44d | 20 | $24.2M | 13F-HR |
| Q3 2013 | Sep 30, 2013 | Oct 31, 2013 | 31d | 137 | $104.8M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.