Institutional Manager · CIK 0000225602
MASSACHUSETTS MUTUAL LIFE INSURANCE CO
SPRINGFIELD, MA · File #028-00548
Latest AUM
$2.43B
Positions
2
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | JEFFERIES FINANCIAL GROUP INC | 47233W109 | -869 | -$53,852 | -$16.1M |
| REDUCE | INVESCO LTD | IVZ | 0 | $0 | +$270.8M |
Sector Allocation
Filing History
- 13F COMBINATION REPORTQ/E Dec 20252 pos · $2.43B
- 13F COMBINATION REPORTQ/E Sep 20252 pos · $2.17B
- 13F COMBINATION REPORTQ/E Jun 20252 pos · $1.54B
- 13F COMBINATION REPORTQ/E Mar 20252 pos · $1.48B
- 13F COMBINATION REPORTQ/E Dec 20242 pos · $1.79B
- 13F COMBINATION REPORTQ/E Sep 20242 pos · $1.71B
- 13F NOTICEQ/E Jun 2024— pos · $0
- 13F NOTICEQ/E Mar 2024— pos · $0
- 13F NOTICEQ/E Dec 2023— pos · $0
Top 2 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | INVESCO LTD | IVZ | 81,332,319 | $2.14B | 88.11% |
| 2 | JEFFERIES FINANCIAL GROUP INC | 47233W109 | 4,654,362 | $288.4M | 11.89% |