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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
+0.38%
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
$1.02B
AUM Growth
+$51.6M
Cap. Flow
+$47.2M
Cap. Flow %
4.65%
Top 10 Hldgs %
91.64%
Holding
17
New
2
Increased
9
Reduced
4
Closed
2

Top Buys

Rank Stock Value
1
IJR icon
iShares Core S&P Small-Cap ETF
IJR
+$76.4M
2
RSP icon
Invesco S&P 500 Equal Weight ETF
RSP
+$20.3M
3
IJH icon
iShares Core S&P Mid-Cap ETF
IJH
+$19M
4
SPMD icon
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
+$12.9M
5
AGG icon
iShares Core US Aggregate Bond ETF
AGG
+$6.81M

Top Sells

Rank Stock Value
1
IEFA icon
iShares Core MSCI EAFE ETF
IEFA
+$55.4M
2
VLUE icon
iShares MSCI USA Value Factor ETF
VLUE
+$40M
3
DFIV icon
Dimensional International Value ETF
DFIV
+$2.36M
4
BCI icon
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
BCI
+$1.38M
5
IEMG icon
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
AGG icon
1
iShares Core US Aggregate Bond ETF
AGG
$137B
$310M 30.54%
3,107,230
+67,900
+2% +$6.81M
IVV icon
2
iShares Core S&P 500 ETF
IVV
$897B
$144M 14.21%
210,793
+1,123
+0.5% +$763K
SPTL icon
3
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.6B
$106M 10.41%
3,997,680
+35,040
+0.9% +$945K
SPMD icon
4
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SPMD
$18.6B
$91.9M 9.04%
1,587,390
+225,190
+17% +$12.9M
SPSM icon
5
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$17.3B
$60.6M 5.97%
1,293,880
+130,180
+11% +$6.07M
IJR icon
6
iShares Core S&P Small-Cap ETF
IJR
$111B
$57.2M 5.62%
+639,005
New +$76.4M
RSP icon
7
Invesco S&P 500 Equal Weight ETF
RSP
$98.8B
$49.7M 4.89%
259,430
+106,820
+70% +$20.3M
IJH icon
8
iShares Core S&P Mid-Cap ETF
IJH
$125B
$39.6M 3.9%
+289,860
New +$19M
RWR icon
9
State Street SPDR Dow Jones REIT ETF
RWR
$1.96B
$36M 3.54%
366,555
+10,750
+3% +$1.07M
SCHH icon
10
Schwab US REIT ETF
SCHH
$11.4B
$35.8M 3.52%
1,713,085
+85,915
+5% +$1.82M
IQLT icon
11
iShares MSCI Intl Quality Factor ETF
IQLT
$14.1B
$34M 3.35%
748,240
-3,200
-0.4% -$143K
JPST icon
12
JPMorgan Ultra-Short Income ETF
JPST
$40.3B
$24.3M 2.39%
480,735
+12,165
+3% +$616K
DFIV icon
13
Dimensional International Value ETF
DFIV
$21.5B
$19.6M 1.93%
393,365
-49,750
-11% -$2.36M
BCI icon
14
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
BCI
$2.95B
$6.6M 0.65%
337,715
-61,930
-15% -$1.38M
IEFA icon
15
iShares Core MSCI EAFE ETF
IEFA
$194B
$383K 0.04%
5,700
-626,055
-99% -$55.4M
IEMG icon
16
iShares Core MSCI Emerging Markets ETF
IEMG
$155B
– –
-3,350
Closed -$221K
VLUE icon
17
iShares MSCI USA Value Factor ETF
VLUE
$9.37B
– –
-320,000
Closed -$40M

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IAS
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CC
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EFM
EQT Fund Management Luxembourg $1.02B AUM
SVCP
Silicon Valley Capital Partners San Jose, California $1.02B AUM 21.85% 1-Year Est. Return
GSIS
Global Strategic Investment Solutions Scottsdale, Arizona $1.03B AUM 16.75% 1-Year Est. Return
MA
Madrone Advisors Menlo Park, California $1.03B AUM 20.53% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
WHCM
Wolf Hill Capital Management Greenwich, Connecticut $1.03B AUM 80.44% 1-Year Est. Return

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.