Institutional Manager · CIK 0001294571
Millburn Ridgefield LLC /DE/
New York, NY · File #028-17636
Latest AUM
$4.20B
Positions
39
Top-10 Concentration
73.3%
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 | ISHARES TR | 464287655 | -75,370 | -$18.6M | +$6.3M |
| REDUCE | VANGUARD INDEX FDS | 922908637 | -20,470 | -$6.4M | +$2.8M |
| ADD | ISHARES TR | 46429B598 | +117,034 | +$6.3M | +$4.5M |
| REDUCE | VANGUARD INDEX FDS | 922908751 | -17,438 | -$4.5M | +$1.3M |
| REDUCE | DIMENSIONAL ETF TRUST | 25434V302 | -127,955 | -$4.2M | +$1.8M |
| REDUCE | ISHARES INC | 46434G822 | -44,419 | -$3.6M | +$425,931 |
| REDUCE | ISHARES TR | 46434V456 | -77,355 | -$3.5M | +$1.9M |
| REDUCE | ISHARES TR | 46435G334 | -76,031 | -$3.3M | +$2.7M |
| REDUCE | ISHARES TR | 46432F339 | -16,310 | -$3.2M | +$943,113 |
| REDUCE | ISHARES TR | 464287507 | -45,905 | -$3.0M | +$5.8M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202539 pos · $4.20B
- 13F HOLDINGS REPORTQ/E Sep 202538 pos · $4.19B
- 13F HOLDINGS REPORTQ/E Jun 202538 pos · $4.15B
- 13F HOLDINGS REPORTQ/E Mar 202549 pos · $4.13B
- 13F HOLDINGS REPORTQ/E Dec 202446 pos · $4.00B
- 13F HOLDINGS REPORTQ/E Sep 2024247 pos · $3.81B
- 13F HOLDINGS REPORTQ/E Jun 2024184 pos · $3.75B
- 13F HOLDINGS REPORTQ/E Mar 2024182 pos · $3.61B
- 13F HOLDINGS REPORTQ/E Dec 2023180 pos · $3.08B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ISHARES TR | 464287622 | 1,462,605 | $546.2M | 13.01% |
| 2 | ISHARES TR | 464287507 | 7,792,453 | $514.3M | 12.25% |
| 3 | ISHARES TR | 46429B697 | 3,752,960 | $353.4M | 8.42% |
| 4 | ISHARES TR | 464287655 | 1,431,749 | $352.4M | 8.40% |
| 5 | VANGUARD INTL EQUITY INDEX F | 922042858 | 6,211,582 | $333.9M | 7.96% |
| 6 | SPDR S&P 500 ETF TR | SPY | 466,818 | $318.3M | 7.58% |
| 7 | ISHARES TR | 464287804 | 2,221,679 | $267.0M | 6.36% |
| 8 | VANGUARD INDEX FDS | 922908363 | 227,957 | $143.0M | 3.41% |
| 9 | ISHARES TR | 46429B598 | 2,393,426 | $129.4M | 3.08% |
| 10 | VANGUARD INDEX FDS | 922908637 | 378,439 | $119.1M | 2.84% |
| 11 | DIMENSIONAL ETF TRUST | 25434V708 | 2,939,529 | $116.4M | 2.77% |
| 12 | VANGUARD INDEX FDS | 922908629 | 379,615 | $110.2M | 2.62% |
| 13 | VANGUARD INDEX FDS | 922908553 | 1,174,363 | $103.9M | 2.48% |
| 14 | VANGUARD INDEX FDS | 922908751 | 323,914 | $83.6M | 1.99% |
| 15 | ISHARES TR | 464287499 | 685,140 | $66.0M | 1.57% |
| 16 | ISHARES TR | 46434V456 | 1,431,920 | $65.1M | 1.55% |
| 17 | ISHARES INC | 46434G772 | 1,023,668 | $65.0M | 1.55% |
| 18 | ISHARES INC | 46434G822 | 759,224 | $61.3M | 1.46% |
| 19 | ISHARES TR | 46435G334 | 1,281,507 | $56.4M | 1.34% |
| 20 | DIMENSIONAL ETF TRUST | 25434V302 | 1,569,653 | $51.1M | 1.22% |