Institutional Manager · CIK 0001353198
Cabot-Wellington, LLC
BOSTON, MA · File #028-11780
Latest AUM
$311.8M
Positions
5
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 | VANGUARD INDEX FDS | 922908769 | -6,447 | -$2.2M | +$4.8M |
| REDUCE | ISHARES TR | 46432F842 | -12,742 | -$1.1M | +$1.6M |
| REDUCE | VANGUARD INDEX FDS | 922908751 | -2,617 | -$675,068 | +$29,236 |
| REDUCE | ISHARES INC | 46434G103 | -2,227 | -$149,699 | +$399,951 |
| REDUCE | VANGUARD INTL EQUITY INDEX F | 922042742 | 0 | $0 | +$6,061 |
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20255 pos · $311.8M
- 13F HOLDINGS REPORTQ/E Sep 20255 pos · $309.1M
- 13F HOLDINGS REPORTQ/E Jun 20255 pos · $290.3M
- 13F HOLDINGS REPORTQ/E Mar 20255 pos · $271.4M
- 13F HOLDINGS REPORTQ/E Dec 20244 pos · $263.1M
- 13F HOLDINGS REPORTQ/E Sep 20244 pos · $266.0M
- 13F HOLDINGS REPORTQ/E Jun 20244 pos · $255.4M
- 13F HOLDINGS REPORTQ/E Mar 20244 pos · $257.7M
- 13F HOLDINGS REPORTQ/E Dec 20233 pos · $173.1M
Top 5 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | VANGUARD INDEX FDS | 922908769 | 667,254 | $223.7M | 71.74% |
| 2 | ISHARES TR | 46432F842 | 737,240 | $66.0M | 21.15% |
| 3 | ISHARES INC | 46434G103 | 305,398 | $20.5M | 6.58% |
| 4 | VANGUARD INDEX FDS | 922908751 | 5,347 | $1.4M | 0.44% |
| 5 | VANGUARD INTL EQUITY INDEX F | 922042742 | 1,859 | $262,231 | 0.08% |