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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
+0.36%
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
+$6.87M
Cap. Flow
+$9.88M
Cap. Flow %
0.97%
Top 10 Hldgs %
90.93%
Holding
17
New
2
Increased
9
Reduced
4
Closed
2
Avg Time Held
2.4 years
Top 10 Avg Time Held
1.7 years
Top 20 Avg Time Held
2.1 years

Top Buys

Rank Stock Value
1
IEFA icon
iShares Core MSCI EAFE ETF
IEFA
+$65.8M
2
VLUE icon
iShares MSCI USA Value Factor ETF
VLUE
+$42.3M
3
IEMG icon
iShares Core MSCI Emerging Markets ETF
IEMG
+$3.14M
4
RSP icon
Invesco S&P 500 Equal Weight ETF
RSP
+$1.66M
5
SPSM icon
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
+$1.61M

Top Sells

Rank Stock Value
1
IJR icon
iShares Core S&P Small-Cap ETF
IJR
+$57.2M
2
IJH icon
iShares Core S&P Mid-Cap ETF
IJH
+$39.6M
3
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$5.8M
4
RWR icon
State Street SPDR Dow Jones REIT ETF
RWR
+$1.84M
5
SPMD icon
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
+$1.55M

Sector Composition

Rank Sector Weight
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
AGG icon
1
iShares Core US Aggregate Bond ETF
AGG
$138B
$303M 29.58%
3,049,263
-57,967
-2% -$5.8M
2017 Q1
36 quarters
IVV icon
2
iShares Core S&P 500 ETF
IVV
$890B
$138M 13.51%
211,681
+888
+0.4% +$606K
2021 Q2
19 quarters
SPTL icon
3
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$11.3B
$105M 10.28%
3,998,720
+1,040
+0% +$27.7K
2024 Q2
7 quarters
SPMD icon
4
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.3B
$92.5M 9.04%
1,561,969
-25,421
-2% -$1.55M
2024 Q2
7 quarters
IEFA icon
5
iShares Core MSCI EAFE ETF
IEFA
$192B
$64.4M 6.29%
710,997
+705,297
+12,374% +$65.8M
2022 Q1
16 quarters
SPSM icon
6
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$15.9B
$64.1M 6.26%
1,326,423
+32,543
+3% +$1.61M
2024 Q1
8 quarters
RSP icon
7
Invesco S&P 500 Equal Weight ETF
RSP
$98.5B
$51.4M 5.02%
267,820
+8,390
+3% +$1.66M
2025 Q1
4 quarters
VLUE icon
8
iShares MSCI USA Value Factor ETF
VLUE
$9.18B
$41M 4.01%
+288,200
New +$42.3M
2026 Q1
0 quarters
IQLT icon
9
iShares MSCI Intl Quality Factor ETF
IQLT
$13.8B
$35.5M 3.47%
768,930
+20,690
+3% +$979K
2025 Q2
3 quarters
SCHH icon
10
Schwab US REIT ETF
SCHH
$10.9B
$35.4M 3.46%
1,646,125
-66,960
-4% -$1.47M
2024 Q2
7 quarters
RWR icon
11
State Street SPDR Dow Jones REIT ETF
RWR
$1.79B
$35.2M 3.44%
348,675
-17,880
-5% -$1.84M
2024 Q2
7 quarters
JPST icon
12
JPMorgan Ultra-Short Income ETF
JPST
$42.4B
$24.6M 2.41%
486,336
+5,601
+1% +$284K
2020 Q4
21 quarters
DFIV icon
13
Dimensional International Value ETF
DFIV
$22B
$21.3M 2.08%
403,315
+9,950
+3% +$527K
2025 Q2
3 quarters
BCI icon
14
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
BCI
$3.49B
$8.66M 0.85%
356,335
+18,620
+6% +$407K
2024 Q2
7 quarters
IEMG icon
15
iShares Core MSCI Emerging Markets ETF
IEMG
$153B
$3.04M 0.3%
+43,520
New +$3.14M
2026 Q1
0 quarters
IJH icon
16
iShares Core S&P Mid-Cap ETF
IJH
$123B
– –
-289,860
Closed -$39.6M –
IJR icon
17
iShares Core S&P Small-Cap ETF
IJR
$103B
– –
-639,005
Closed -$57.2M –

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TBA
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OCA
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FMI
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Mason Street Advisors's Q1 2026 Portfolio in Review

As of Q1 2026, Mason Street Advisors held 17 positions worth $1.02B, up 0.68% from $1.02B the previous quarter. Its ten largest holdings account for 91% of the portfolio.

Mason Street Advisors's Q1 2026 filing shows 2 new, 9 increased, 4 reduced and 2 closed positions. Its largest new stake was iShares MSCI USA Value Factor ETF: 288,200 shares worth $41M. The largest sale was iShares Core S&P Small-Cap ETF, an estimated $57.2M.

  • Mason Street Advisors's largest Q1 2026 buy was iShares MSCI USA Value Factor ETF: 288,200 shares worth $41M.
  • Mason Street Advisors added most to iShares Core MSCI EAFE ETF in Q1 2026, an estimated $65.8M increase.
  • Mason Street Advisors's biggest Q1 2026 reduction was iShares Core US Aggregate Bond ETF, cutting an estimated $5.8M.
  • Mason Street Advisors fully exited iShares Core S&P Small-Cap ETF in Q1 2026, selling an estimated $57.2M.
  • Mason Street Advisors's ten largest holdings make up 91% of its $1.02B portfolio in Q1 2026.
  • Mason Street Advisors opened 2 new positions and closed 2 in Q1 2026.
  • Mason Street Advisors's portfolio value rose 0.68% quarter-over-quarter to $1.02B.

Based on Mason Street Advisors's 13F filing for Q1 2026, filed 7 May 2026.