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MSA
Mason Street Advisors Portfolio holdings
AUM
$1.11B
Turnover
12.5%
1-Year Est. Return
12.31%
This Fund
S&P 500
This Quarter
Est. Return
+0.38%
1 Year Est. Return
+12.31%
3 Year Est. Return
+31.97%
5 Year Est. Return
+20.99%
10 Year Est. Return
+189.77%
AUM
$1.02B
AUM Growth
+$51.6M
(+5.3%)
Cap. Flow
+$47.2M
Cap. Flow
% of AUM
4.65%
Top 10 Holdings %
Top 10 Hldgs %
91.64%
Holding
17
New
2
Increased
9
Reduced
4
Closed
2
Avg Time Held
2.2
years
Top 10 Avg Time Held
1.7
years
Top 20 Avg Time Held
1.9
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Core S&P Small-Cap ETF
IJR
|
+$76.4M |
| 2 |
Invesco S&P 500 Equal Weight ETF
RSP
|
+$20.3M |
| 3 |
iShares Core S&P Mid-Cap ETF
IJH
|
+$19M |
| 4 |
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
|
+$12.9M |
| 5 |
iShares Core US Aggregate Bond ETF
AGG
|
+$6.81M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Core MSCI EAFE ETF
IEFA
|
+$55.4M |
| 2 |
iShares MSCI USA Value Factor ETF
VLUE
|
+$40M |
| 3 |
Dimensional International Value ETF
DFIV
|
+$2.36M |
| 4 |
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
BCI
|
+$1.38M |
| 5 |
iShares Core MSCI Emerging Markets ETF
IEMG
|
+$221K |
Sector Composition
| Rank | Sector | Weight |
|---|
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
|
1
iShares Core US Aggregate Bond ETF
AGG
$138B
| $310M | 30.54% |
3,107,230
+67,900
| +2% | +$6.81M |
2017 Q1
35 quarters
|
|
2
iShares Core S&P 500 ETF
IVV
$880B
| $144M | 14.21% |
210,793
+1,123
| +0.5% | +$763K |
2021 Q2
18 quarters
|
|
3
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$11.3B
| $106M | 10.41% |
3,997,680
+35,040
| +0.9% | +$945K |
2024 Q2
6 quarters
|
|
|
4
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.1B
| $91.9M | 9.04% |
1,587,390
+225,190
| +17% | +$12.9M |
2024 Q2
6 quarters
|
|
5
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$15.6B
| $60.6M | 5.97% |
1,293,880
+130,180
| +11% | +$6.07M |
2024 Q1
7 quarters
|
|
|
6
iShares Core S&P Small-Cap ETF
IJR
$102B
| $57.2M | 5.62% |
+639,005
| New | +$76.4M |
2025 Q4
0 quarters
|
|
|
7
Invesco S&P 500 Equal Weight ETF
RSP
$97.6B
| $49.7M | 4.89% |
259,430
+106,820
| +70% | +$20.3M |
2025 Q1
3 quarters
|
|
|
8
iShares Core S&P Mid-Cap ETF
IJH
$121B
| $39.6M | 3.9% |
+289,860
| New | +$19M |
2025 Q4
0 quarters
|
|
9
State Street SPDR Dow Jones REIT ETF
RWR
$1.78B
| $36M | 3.54% |
366,555
+10,750
| +3% | +$1.07M |
2024 Q2
6 quarters
|
|
10
Schwab US REIT ETF
SCHH
$10.9B
| $35.8M | 3.52% |
1,713,085
+85,915
| +5% | +$1.82M |
2024 Q2
6 quarters
|
|
11
iShares MSCI Intl Quality Factor ETF
IQLT
$13.7B
| $34M | 3.35% |
748,240
-3,200
| -0.4% | -$143K |
2025 Q2
2 quarters
|
|
12
JPMorgan Ultra-Short Income ETF
JPST
$42.4B
| $24.3M | 2.39% |
480,735
+12,165
| +3% | +$616K |
2020 Q4
20 quarters
|
|
|
13
Dimensional International Value ETF
DFIV
$21.9B
| $19.6M | 1.93% |
393,365
-49,750
| -11% | -$2.36M |
2025 Q2
2 quarters
|
|
|
14
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
BCI
$3.52B
| $6.6M | 0.65% |
337,715
-61,930
| -15% | -$1.38M |
2024 Q2
6 quarters
|
|
|
15
iShares Core MSCI EAFE ETF
IEFA
$190B
| $383K | 0.04% |
5,700
-626,055
| -99% | -$55.4M |
2022 Q1
15 quarters
|
|
|
16
iShares Core MSCI Emerging Markets ETF
IEMG
$151B
| – | – |
-3,350
| Closed | -$221K | – |
|
|
17
iShares MSCI USA Value Factor ETF
VLUE
$9.08B
| – | – |
-320,000
| Closed | -$40M | – |
|
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Mason Street Advisors's Q4 2025 Portfolio in Review
As of Q4 2025, Mason Street Advisors held 17 positions worth $1.02B, up 5.3% from $965M the previous quarter. Its ten largest holdings account for 92% of the portfolio.
Mason Street Advisors deployed $47.2M of net new capital in Q4 2025, opening 2 new positions and adding to 9 existing holdings. Its largest new stake was iShares Core S&P Small-Cap ETF: 639,005 shares worth $57.2M.
On the sell side, the largest reduction was iShares Core MSCI EAFE ETF, an estimated $55.4M trimmed.
- Mason Street Advisors's largest Q4 2025 buy was iShares Core S&P Small-Cap ETF: 639,005 shares worth $57.2M.
- Mason Street Advisors added most to Invesco S&P 500 Equal Weight ETF in Q4 2025, an estimated $20.3M increase.
- Mason Street Advisors's biggest Q4 2025 reduction was iShares Core MSCI EAFE ETF, cutting an estimated $55.4M.
- Mason Street Advisors fully exited iShares MSCI USA Value Factor ETF in Q4 2025, selling an estimated $40M.
- Mason Street Advisors's ten largest holdings make up 92% of its $1.02B portfolio in Q4 2025.
- Mason Street Advisors opened 2 new positions and closed 2 in Q4 2025.
- Mason Street Advisors's portfolio value rose 5.3% quarter-over-quarter to $1.02B.
Based on Mason Street Advisors's 13F filing for Q4 2025, filed 4 Feb 2026.