Institutional Manager · CIK 0001167711
MASON STREET ADVISORS, LLC
MILWAUKEE, WI · File #028-10206
Latest AUM
$1.02B
Positions
15
Top-10 Concentration
91.6%
Filings
20
Sector Allocation
Filing History
View all filings →- 13F COMBINATION REPORTQ/E Dec 202515 pos · $1.02B
- 13F COMBINATION REPORTQ/E Sep 202515 pos · $964.8M
- 13F COMBINATION REPORTQ/E Jun 202515 pos · $854.5M
- 13F COMBINATION REPORTQ/E Mar 202513 pos · $786.1M
- 13F COMBINATION REPORTQ/E Dec 202412 pos · $772.6M
- 13F COMBINATION REPORTQ/E Sep 202412 pos · $823.5M
- 13F COMBINATION REPORTQ/E Jun 202412 pos · $743.0M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202411 pos · $122.3M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202410 pos · $74.6M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202412 pos · $130.4M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202411 pos · $93.2M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202411 pos · $109.1M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202410 pos · $108.1M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202410 pos · $98.7M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202411 pos · $107.5M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202411 pos · $118.2M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202410 pos · $93.3M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202411 pos · $95.5M
- 13F HOLDINGS REPORT (Amended)Q/E Jun 202410 pos · $93.0M
- 13F COMBINATION REPORTQ/E Mar 20248 pos · $594.2M
Top 15 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ISHARES TR | 464287226 | 3,107,230 | $310.4M | 30.54% |
| 2 | ISHARES TR | 464287200 | 210,793 | $144.4M | 14.21% |
| 3 | SPDR SERIES TRUST | 78464A664 | 3,997,680 | $105.8M | 10.41% |
| 4 | SPDR SERIES TRUST | 78464A847 | 1,587,390 | $91.9M | 9.04% |
| 5 | SPDR SERIES TRUST | 78468R853 | 1,293,880 | $60.6M | 5.97% |
| 6 | ISHARES TR | 464287804 | 639,005 | $57.2M | 5.62% |
| 7 | INVESCO EXCHANGE TRADED FD T | IVZ | 259,430 | $49.7M | 4.89% |
| 8 | ISHARES TR | 464287507 | 289,860 | $39.6M | 3.90% |
| 9 | SPDR SERIES TRUST | 78464A607 | 366,555 | $36.0M | 3.54% |
| 10 | SCHWAB STRATEGIC TR | 808524847 | 1,713,085 | $35.8M | 3.52% |
| 11 | ISHARES TR | 46434V456 | 748,240 | $34.0M | 3.35% |
| 12 | J P MORGAN EXCHANGE TRADED F | 46641Q837 | 480,735 | $24.3M | 2.39% |
| 13 | DIMENSIONAL ETF TRUST | 25434V807 | 393,365 | $19.6M | 1.93% |
| 14 | ABRDN ETFS | 003261104 | 337,715 | $6.6M | 0.65% |
| 15 | ISHARES TR | 46432F842 | 5,700 | $383,154 | 0.04% |