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MSA

Mason Street Advisors Portfolio holdings

AUM $1.02B
1-Year Est. Return 8.35%
This Fund
S&P 500
This Quarter Est. Return
+3.85%
1 Year Est. Return
+8.35%
3 Year Est. Return
+28.33%
5 Year Est. Return
+14.8%
10 Year Est. Return
+178.9%
AUM
$965M
AUM Growth
+$110M
Cap. Flow
+$76.7M
Cap. Flow %
7.95%
Top 10 Hldgs %
91.5%
Holding
17
New
2
Increased
12
Reduced
1
Closed
2

Top Buys

Rank Stock Value
1
VLUE icon
iShares MSCI USA Value Factor ETF
VLUE
+$37.7M
2
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$24.5M
3
SPMD icon
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
+$24.5M
4
JPST icon
JPMorgan Ultra-Short Income ETF
JPST
+$12.8M
5
IEFA icon
iShares Core MSCI EAFE ETF
IEFA
+$5.09M

Top Sells

Rank Stock Value
1
IVV icon
iShares Core S&P 500 ETF
IVV
+$38.8M
2
IJH icon
iShares Core S&P Mid-Cap ETF
IJH
+$6.12M
3
IJR icon
iShares Core S&P Small-Cap ETF
IJR
+$4.66M

Sector Composition

Rank Sector Weight
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AGG icon
1
iShares Core US Aggregate Bond ETF
AGG
$137B
$305M 31.58%
3,039,330
+246,936
+9% +$24.5M
IVV icon
2
iShares Core S&P 500 ETF
IVV
$897B
$140M 14.55%
209,670
-60,280
-22% -$38.8M
SPTL icon
3
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.6B
$107M 11.07%
3,962,640
+87,740
+2% +$2.32M
SPMD icon
4
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.6B
$77.9M 8.07%
1,362,200
+434,600
+47% +$24.5M
IEFA icon
5
iShares Core MSCI EAFE ETF
IEFA
$194B
$55.2M 5.72%
631,755
+59,855
+10% +$5.09M
SPSM icon
6
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$17.3B
$53.9M 5.59%
1,163,700
+74,900
+7% +$3.36M
VLUE icon
7
iShares MSCI USA Value Factor ETF
VLUE
$9.37B
$40M 4.15%
+320,000
New +$37.7M
RWR icon
8
State Street SPDR Dow Jones REIT ETF
RWR
$1.96B
$35.7M 3.7%
355,805
+35,305
+11% +$3.47M
SCHH icon
9
Schwab US REIT ETF
SCHH
$11.4B
$35.1M 3.64%
1,627,170
+141,170
+10% +$3.01M
IQLT icon
10
iShares MSCI Intl Quality Factor ETF
IQLT
$14.1B
$33.2M 3.44%
751,440
+58,740
+8% +$2.53M
RSP icon
11
Invesco S&P 500 Equal Weight ETF
RSP
$98.8B
$29M 3%
152,610
+19,510
+15% +$3.64M
JPST icon
12
JPMorgan Ultra-Short Income ETF
JPST
$40.3B
$23.8M 2.46%
468,570
+251,920
+116% +$12.8M
DFIV icon
13
Dimensional International Value ETF
DFIV
$21.5B
$20.4M 2.12%
443,115
+28,415
+7% +$1.27M
BCI icon
14
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
BCI
$2.95B
$8.61M 0.89%
399,645
+94,745
+31% +$1.99M
IEMG icon
15
iShares Core MSCI Emerging Markets ETF
IEMG
$155B
$221K 0.02%
+3,350
New +$209K
IJH icon
16
iShares Core S&P Mid-Cap ETF
IJH
$125B
– –
-98,600
Closed -$6.12M
IJR icon
17
iShares Core S&P Small-Cap ETF
IJR
$111B
– –
-42,600
Closed -$4.66M

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CC
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EFM
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SVCP
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GSIS
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MA
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SB
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WHCM
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Mason Street Advisors's Q3 2025 Portfolio in Review

As of Q3 2025, Mason Street Advisors held 17 positions worth $965M, up 13% from $855M the previous quarter. Its ten largest holdings account for 92% of the portfolio.

Mason Street Advisors deployed $76.7M of net new capital in Q3 2025, opening 2 new positions and adding to 12 existing holdings. Its largest new stake was iShares MSCI USA Value Factor ETF: 320,000 shares worth $40M.

On the sell side, the largest reduction was iShares Core S&P 500 ETF, an estimated $38.8M trimmed.

  • Mason Street Advisors's largest Q3 2025 buy was iShares MSCI USA Value Factor ETF: 320,000 shares worth $40M.
  • Mason Street Advisors added most to iShares Core US Aggregate Bond ETF in Q3 2025, an estimated $24.5M increase.
  • Mason Street Advisors's biggest Q3 2025 reduction was iShares Core S&P 500 ETF, cutting an estimated $38.8M.
  • Mason Street Advisors fully exited iShares Core S&P Mid-Cap ETF in Q3 2025, selling an estimated $6.12M.
  • Mason Street Advisors's ten largest holdings make up 92% of its $965M portfolio in Q3 2025.
  • Mason Street Advisors opened 2 new positions and closed 2 in Q3 2025.
  • Mason Street Advisors's portfolio value rose 13% quarter-over-quarter to $965M.

Based on Mason Street Advisors's 13F filing for Q3 2025, filed 31 Oct 2025.