Institutional Manager · CIK 0001115418
RHUMBLINE ADVISERS
BOSTON, MA · File #028-05909
Latest AUM
$123.69B
Positions
4,187
Top-10 Concentration
62.8%
Filings
11
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 |
|---|---|---|---|---|---|
| ADD | NETFLIX INC COM | NFLX | +6,750,698 | +$632.9M | -$855.8M |
| ADD | ISHARES RUSSELL 3000 INDEX | 464287689 | +1,531,939 | +$592.6M | +$317,841 |
| REDUCE | NVIDIA CORP COM | NVDA | -1,750,721 | -$326.5M | -$3.5M |
| REDUCE | APPLE INC COM STK | AAPL | -1,066,742 | -$290.0M | +$475.6M |
| REDUCE | MICROSOFT CORP COM | MSFT | -500,924 | -$242.3M | -$474.9M |
| ADD | SERVICENOW INC COM | NOW | +1,433,129 | +$219.5M | -$285.0M |
| REDUCE | MARSH & MCLENNAN COS INC | 571748102 | -931,131 | -$172.7M | -$14.9M |
| REDUCE | ALPHABET INC CAP STK CL A | GOOG | -314,293 | -$98.4M | +$745.4M |
| REDUCE | AMAZON.COM INC COM | AMZN | -412,969 | -$95.3M | +$193.5M |
| REDUCE | ALPHABET INC CAP STK CL C | GOOG | -283,123 | -$88.8M | +$602.6M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20254,187 pos · $123.69B
- 13F HOLDINGS REPORTQ/E Sep 20254,172 pos · $124.51B
- 13F HOLDINGS REPORTQ/E Jun 20254,194 pos · $116.77B
- 13F HOLDINGS REPORT (Amended)Q/E Mar 20254,182 pos · $106.91B
- 13F HOLDINGS REPORT (Amended)Q/E Mar 20254,223 pos · $111.79B
- 13F HOLDINGS REPORTQ/E Mar 202541,830 pos · $106.91B
- 13F HOLDINGS REPORTQ/E Dec 202442,240 pos · $111.79B
- 13F HOLDINGS REPORTQ/E Sep 20244,249 pos · $110.85B
- 13F HOLDINGS REPORTQ/E Jun 20244,422 pos · $106.40B
- 13F HOLDINGS REPORTQ/E Mar 20244,304 pos · $104.13B
- 13F HOLDINGS REPORTQ/E Dec 20234,352 pos · $86.15B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORP COM | NVDA | 42,408,661 | $7.91B | 12.28% |
| 2 | APPLE INC COM STK | AAPL | 26,533,538 | $7.21B | 11.20% |
| 3 | MICROSOFT CORP COM | MSFT | 13,331,441 | $6.45B | 10.01% |
| 4 | AMAZON.COM INC COM | AMZN | 16,786,572 | $3.87B | 6.02% |
| 5 | ALPHABET INC CAP STK CL A | GOOG | 10,349,936 | $3.24B | 5.03% |
| 6 | BROADCOM INC | AVGO | 8,155,896 | $2.82B | 4.38% |
| 7 | META PLATFORMS INC | META | 3,976,638 | $2.62B | 4.08% |
| 8 | ALPHABET INC CAP STK CL C | GOOG | 8,294,262 | $2.60B | 4.04% |
| 9 | TESLA INC | TSLA | 4,898,648 | $2.20B | 3.42% |
| 10 | JPMORGAN CHASE & CO COM | VYLD | 4,708,833 | $1.52B | 2.36% |
| 11 | ELI LILLY & CO COM | LLY | 1,389,560 | $1.49B | 2.32% |
| 12 | BERKSHIRE HATHAWAY INC DEL CL B NEW | BRK-A | 2,895,722 | $1.46B | 2.26% |
| 13 | VISA INC COM CL A STK | V | 3,200,438 | $1.12B | 1.74% |
| 14 | MASTERCARD INC CL A | MA | 1,548,382 | $883.9M | 1.37% |
| 15 | EXXON MOBIL CORP COM | XOM | 7,099,999 | $854.4M | 1.33% |
| 16 | WALMART INC | WMT | 7,526,139 | $838.5M | 1.30% |
| 17 | JOHNSON & JOHNSON COM USD1 | JNJ | 3,974,005 | $822.4M | 1.28% |
| 18 | COSTCO WHOLESALE CORP NEW COM | 22160K105 | 831,005 | $716.6M | 1.11% |
| 19 | NETFLIX INC COM | NFLX | 7,525,037 | $705.5M | 1.10% |
| 20 | PALANTIR TECHNOLOGIES INC-A | PLTR | 3,931,390 | $698.8M | 1.09% |