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MASON STREET ADVISORS, LLC

13F
MASON STREET ADVISORS, LLC
Last update 2025-05-14 13 Stocks (1 new)
Value $786.00 Mil Turnover 4 %
Countries:

MASON STREET ADVISORS, LLC Profile

Mason Street Advisors, LLC is an investment management firm based out of Milwaukee, Wisconsin. The company was established in 2001 and is currently headed by President and Director Jefferson V. DeAngelis. Mason Street Advisors operates as a wholly owned subsidiary of the Northwestern Mutual Life Insurance Company and has expanded from its inception to currently operate with 12 employees of which 10 are investment professionals. The company conducts its research both internally and externally, utilizing a fundamental and technical methodology to make its investment decisions. Mason Street Advisors invests in the growth stocks of companies, allocating its assets across the public equity and fixed income markets on a global scale. The company invests most heavily in the finance sector, which alone makes up approximately a fifth of its total asset allocations, and also invests in the information technology, health care, consumer discretionary, industrials, consumer staples, energy, and utilities and telecommunications sectors, among others to a lesser degree, in order of decreasing allocation. Mason Street Advisors’s top holdings include Apple Inc., Microsoft Corp., Exxon Mobil Corp., Johnson & Johnson Co., and General Electric Co with none of its holdings except for Apple Inc. exceeding 1.5% of its total holdings. The company’s top 10 holdings together make up approximately 12.6% of its total and the company has a turnover rate of 3%. Mason Street Advisors holds over $20.5 billion in total assets under management spread across 30 accounts, all of which are discretionary accounts. The company’s clients are composed of investment companies, charities, corporations and other businesses, and investment advisors with the highest amount of managed assets coming from investment companies, which alone makes up over three quarters of its total managed assets. Mason Street Advisors takes advisory fees in the form of a percentage of assets, various performance based fees, and other fees that includes actualized costs.
MASON STREET ADVISORS, LLC Top Holdings of 2025-03-31 View Full List
Ticker
Company
Shares
Value ($1000)
Shares Change %
Weighting %
Trade Impact %
% of Shares outstanding
3M Change %
YTD Change %
Market Cap $Mil
Industry
AGG
iShares Core U.S. Aggregate Bond ETF
iShares Core U.S. Aggregate Bond ETF
2,545,100
251,761.3
-1.19%
32.030
-0.39%
0.200
+1.14%
+1.72%
128,438.9
 
IVV
iShares Core S&P 500 ETF
291,550
163,822.0
+1.32%
20.840
+0.27%
0.030
+19.34%
+7.31%
636,576.3
 
SPTL
SPDR Portfolio Long Term Treasury ETF
SPDR Portfolio Long Term Treasury ETF
3,693,100
100,673.9
-0.19%
12.810
-0.02%
0.880
+0.23%
-0.31%
11,224.7
 
IEFA
iShares Core MSCI EAFE ETF
899,800
68,069.9
-12.95%
8.660
-1.22%
0.050
+8.99%
+18.80%
144,033.5
 
SPMD
SPDR Portfolio S&P 400 Mid Cap ETF
927,600
47,474.6
+14.31%
6.040
+0.76%
0.390
+16.14%
+2.36%
13,684.3
 
SPSM
SPDR Portfolio S&P 600 Small Cap ETF
SPDR Portfolio S&P 600 Small Cap ETF
853,500
34,788.7
0%
4.430
0%
0.320
+16.62%
-2.07%
11,781.0
 
SCHH
Schwab U.S. REIT ETF
1,486,000
31,963.9
0%
4.070
0%
0.400
+5.53%
+3.37%
8,278.0
 
RWR
SPDR DJ Wilshire REIT ETF
320,500
31,768.0
0%
4.040
0%
1.680
+4.99%
+0.07%
1,870.4
 
RSP
Invesco S&P 500 Equal Weight ETF
133,100
23,056.9
New Holding
2.930
+2.93%
0.030
+13.82%
+6.08%
74,612.5
 
JPST
JPMorgan Ultra-Short Income ETF
216,650
10,969.0
0%
1.400
0%
0.040
+0.20%
+0.50%
32,252.5
 

MASON STREET ADVISORS, LLC's Historical Top Holdings Breakdowns

MASON STREET ADVISORS, LLC's Top Stock Picks View Full List
Ticker
Company
Date
Action
Impact %
Price Range
Price
Price Change from Avrg%
Comment
Current Shares
Share Change
RSP
Invesco S&P 500 Equal Weight ETF
2025-03-31
New Buy
New Buy
+2.93%
169.43 ($177.82) 182.84
$185.89
4.54%
New holding
133,100
133,100
IEFA
iShares Core MSCI EAFE ETF
2025-03-31
Reduce
Reduce
-1.22%
69.57 ($74.78) 78.65
$83.49
11.65%
Reduce -12.95%
899,800
-133,900
SPMD
SPDR Portfolio S&P 400 Mid Cap ETF
2025-03-31
Add
Add
+0.76%
50.21 ($54.51) 57.73
$55.98
2.70%
Add 14.31%
927,600
116,100
IJH
iShares Core S&P Mid-Cap ETF
2025-03-31
Reduce
Reduce
-0.64%
57.21 ($62.1) 65.8
$63.88
2.87%
Reduce -32.05%
168,800
-79,600
AGG
iShares Core U.S. Aggregate Bond ETF
iShares Core U.S. Aggregate Bond ETF
2025-03-31
Reduce
Reduce
-0.39%
95.85 ($97.76) 99.25
$98.57
0.83%
Reduce -1.19%
2,545,100
-30,700
IVV
iShares Core S&P 500 ETF
2025-03-31
Add
Add
+0.27%
554.06 ($590.51) 615.85
$631.74
6.98%
Add 1.32%
291,550
3,800
SPTL
SPDR Portfolio Long Term Treasury ETF
SPDR Portfolio Long Term Treasury ETF
2025-03-31
Reduce
Reduce
-0.02%
25.54 ($26.65) 27.64
$26.11
-2.03%
Reduce -0.19%
3,693,100
-6,900
BCI
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
abrdn Bloomberg All Commodity Strategy K-1 Free ETF
2024-12-31
Reduce
Reduce
-1.80%
19.27 ($20.15) 20.9
$21.36
6.00%
Reduce -70.39%
304,900
-724,700
IJR
iShares Core S&P Small-Cap ETF
2024-12-31
Reduce
Reduce
-1.17%
113.92 ($119.54) 127.38
$112.83
-5.61%
Reduce -61.41%
51,600
-82,100
IVV
iShares Core S&P 500 ETF
2024-12-31
Reduce
Reduce
-1.09%
570.51 ($592.23) 610.83
$631.74
6.67%
Reduce -5.11%
287,750
-15,500

MASON STREET ADVISORS, LLC Total Holding History ($B)

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MASON STREET ADVISORS, LLC's Asset Allocation

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MASON STREET ADVISORS, LLC Past Portfolios

Portfolio Date Number of Stocks New Stocks Total Value ($Mil) Q/Q Turnover

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MASON STREET ADVISORS, LLC's Hypothetical Growth since 2025-03-31

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