SEC 13F Intelligence

Managers / Q1 2020 · view latest →

MASON STREET ADVISORS, LLC

CIK 0001167711 · 720 EAST WISCONSIN AVE, MILWAUKEE, WI, 53202 · 4146655400

Reported Value
$4.3B
Q1 2020
Positions
1,535
Filings on Record
42
2019–present window
Filed
May 8, 2020
original filing

Summary

Mason Street Advisors, LLC reported $4.3B in U.S.-listed holdings across 1,535 positions for Q1 2020.

Its largest position, MSFT, represents 4.0% of the portfolio.

Compared with Q4 2019, the fund opened 39 new positions and exited 20.

Portfolio Metrics

Turnover
+7.6%
vs prior filed quarter
Top-10 Concentration
+19.9%
share of reported value
Largest Position
+4.0%
Microsoft
New / Exited
39 / 20
positions this quarter

Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $4.0BQ4 ’18Q1 ’19: $4.8BQ2 ’19: $4.7BQ3 ’19: $4.8BQ4 ’19: $5.1BQ4 ’19Q1 ’20: $4.3BQ2 ’20: $4.9BQ3 ’20: $5.1BQ4 ’20: $5.9BQ4 ’20Q2 ’21: $111MQ3 ’21: $134MQ4 ’21: $138MQ1 ’22: $170MQ1 ’22Q2 ’22: $286MQ3 ’22: $345MQ4 ’22: $402MQ1 ’23: $452MQ1 ’23Q2 ’23: $537MQ3 ’23: $521MQ4 ’23: $545MQ1 ’24: $594MQ1 ’24Q2 ’24: $743MQ3 ’24: $823MQ4 ’24: $773MQ1 ’25: $786MQ1 ’25Q2 ’25: $855MQ3 ’25: $965MQ4 ’25: $1.0BQ1 ’26: $1.0BQ1 ’26filingsflow.com

Portfolio Composition

By security type
Common Stock: 84.2%Other: 9.1%REIT: 3.9%ETP: 2.4%US DOMESTIC: 0.3%
  • Common Stock · 84.2% · $3.6B
  • Other · 9.1% · $390M
  • REIT · 3.9% · $166M
  • ETP · 2.4% · $104M
  • US DOMESTIC · 0.3% · $14M

Quarter-over-Quarter Changes full breakdown →

vs Q4 2019 (amended baseline)

IssuerMoveShare ΔShares nowValue ΔValue now
State Street Institutional US Government Money Market Fund - Premier ClassNEW+79.87M79.87M+$80M$80M
E-Mini S&P 500 FutureNEW+602602+$77M$77M
S&P 400 Mini Index FuturesNEW+134134+$19M$19M
Marriott International IncNEW+13.00M13.00M+$13M$13M
The Southern CoNEW+11.00M11.00M+$11M$11M
Federal Home Loan BankNEW+9.00M9.00M+$9M$9M
S&P SmallCap 600 Index TRSNEW+9.0K9.0K+$8M$8M
Chevron CorpNEW+7.50M7.50M+$7M$7M

Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.

Holdings — Q1 2020

47 positions
#IssuerClass% PortfolioValueShares
1MSFTMICROSOFT CORPhistory →COM4.01%$172M1.09M
2AAPLAPPLE INChistory →COM3.54%$152M595.9K
3AMZNAMAZON COM INChistory →COM2.71%$116M59.4K
4GOOGLALPHABET INCCAP STK CL A · CAP STK CL C2.32%$99M85.4K
5State Street Institutional US Government Money Market Fund - Premier ClassCOM1.87%$80M79.87M
6E-Mini S&P 500 FutureCOM1.81%$77M602
7ISHARES TRCORE S&P MCP ETF · RUSSELL 2000 ETF · CORE US AGGBD ET1.75%$75M598.4K
8METAFACEBOOK INChistory →CL A1.34%$57M343.3K
9BRK/BBERKSHIRE HATHAWAY INC DELhistory →CL B NEW1.19%$51M279.1K
10JNJJOHNSON & JOHNSONhistory →COM1.15%$49M375.5K
11JPMJPMORGAN CHASE & COhistory →COM0.94%$40M447.5K
12VVISA INChistory →COM CL A0.92%$39M244.2K
13PGPROCTER & GAMBLE COhistory →COM0.91%$39M355.8K
14UNHUNITEDHEALTH GROUP INChistory →COM0.79%$34M135.2K
15INTCINTEL CORPhistory →COM0.79%$34M620.6K
16BACVERIZON COMMUNICATIONS INChistory →COM0.74%$32M590.1K
17MAMASTERCARD INChistory →CL A0.72%$31M126.7K
18TAT&T INChistory →COM0.71%$30M1.04M
19HDHOME DEPOT INChistory →COM0.68%$29M155.6K
20MRKMERCK & CO. INChistory →COM0.65%$28M363.3K
21PFEPFIZER INChistory →COM0.60%$26M789.6K
22DISDISNEY WALT COhistory →COM DISNEY0.58%$25M257.2K
23BACBK OF AMERICA CORPhistory →COM0.57%$25M1.16M
24KOCOCA COLA COhistory →COM0.57%$24M550.2K
25PEPPEPSICO INChistory →COM0.56%$24M199.0K
26CSCOCISCO SYS INChistory →COM0.56%$24M605.3K
27NFLXNETFLIX INChistory →COM0.55%$23M62.5K
28NVDANVIDIA CORPhistory →COM0.54%$23M87.3K
29WMTWALMART INChistory →COM0.54%$23M202.4K
30EXMOCEXXON MOBIL CORPhistory →COM0.54%$23M603.7K
31CMCSACOMCAST CORP NEWhistory →CL A0.52%$22M647.7K
32ADBEADOBE INChistory →COM0.51%$22M69.1K
33ABTABBOTT LABShistory →COM0.47%$20M252.2K
34CHVCHEVRON CORP NEWhistory →COM0.46%$20M269.8K
35S&P 400 Mini Index FuturesCOM0.45%$19M134
36BMYBRISTOL-MYERS SQUIBB COhistory →COM0.44%$19M334.5K
37CRMSALESFORCE COM INChistory →COM0.43%$18M126.6K
38COSTCOSTCO WHSL CORP NEWhistory →COM0.42%$18M63.0K
39MCDMCDONALDS CORPhistory →COM0.42%$18M107.4K
40MEDTRONIC PLCSHS0.40%$17M191.2K
41AMGNAMGEN INChistory →COM0.40%$17M84.8K
42NEENEXTERA ENERGY INChistory →COM0.39%$17M69.7K
43LLYLILLY ELI & COhistory →COM0.39%$17M120.5K
44TMOTHERMO FISHER SCIENTIFIC INChistory →COM0.38%$16M57.2K
454I1PHILIP MORRIS INTL INChistory →COM0.38%$16M222.0K
46ABBVABBVIE INChistory →COM0.38%$16M211.0K
47PYPLPAYPAL HLDGS INChistory →COM0.37%$16M167.5K

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$1.0B15May 7, 202613F-HRchanges · EDGAR ↗
Q4 2025$1.0B15Feb 4, 202613F-HRchanges · EDGAR ↗
Q3 2025$965M15Oct 31, 202513F-HRchanges · EDGAR ↗
Q2 2025$855M15Aug 8, 202513F-HRchanges · EDGAR ↗
Q1 2025$786M13May 14, 202513F-HRchanges · EDGAR ↗
Q4 2024$773M12Feb 10, 202513F-HRchanges · EDGAR ↗
Q3 2024$823M12Nov 12, 202413F-HRchanges · EDGAR ↗
Q2 2024$743M12Aug 15, 202413F-HRchanges · EDGAR ↗
Q1 2024$594M8May 15, 202413F-HRchanges · EDGAR ↗
Q4 2023$545M7Feb 13, 202413F-HRchanges · EDGAR ↗
Q3 2023$521M8Nov 14, 202313F-HRchanges · EDGAR ↗
Q2 2023$537M8Aug 14, 202313F-HRchanges · EDGAR ↗
Q1 2023$452M9May 15, 202313F-HRchanges · EDGAR ↗
Q4 2022$402M9Feb 21, 202313F-HRchanges · EDGAR ↗
Q3 2022$345M9Nov 14, 202213F-HRchanges · EDGAR ↗
Q2 2022$286M10Aug 15, 202213F-HRchanges · EDGAR ↗
Q1 2022$170M11May 9, 202213F-HRchanges · EDGAR ↗
Q4 2021$138M9Feb 3, 202213F-HRchanges · EDGAR ↗
Q3 2021$134M9Nov 15, 202113F-HRchanges · EDGAR ↗
Q2 2021$111M8Aug 13, 202113F-HRchanges · EDGAR ↗
Q1 2021Under review7May 14, 202113F-HRchanges · EDGAR ↗
Q4 2020$5.9B1,515Feb 12, 202113F-HRchanges · EDGAR ↗
Q3 2020$5.1B1,516Nov 13, 202013F-HRchanges · EDGAR ↗
Q2 2020$4.9B1,516Aug 14, 202013F-HRchanges · EDGAR ↗
Q1 2020$4.3B1,535May 8, 202013F-HRchanges · EDGAR ↗
Q4 2019$5.1B1,516Feb 19, 202013F-HRchanges · EDGAR ↗
Q3 2019$4.8B1,516Nov 5, 201913F-HRchanges · EDGAR ↗
Q2 2019$4.7B1,513Aug 12, 201913F-HRchanges · EDGAR ↗
Q1 2019$4.8B1,560May 7, 201913F-HRchanges · EDGAR ↗
Q4 2018$4.0B1,514Feb 13, 201913F-HRchanges · EDGAR ↗

Other Included Managers

This filing reports holdings on behalf of 16 additional managers.

  • ABERDEEN ASSET MANAGEMENT PLC/UK028-04701
  • AMERICAN CENTURY INVESTMENT MANAGEMENT INC028-01091
  • BLACKROCK ADVISORS LLC028-04295
  • FEDERATED INVESTMENT MANAGEMENT CO028-04377
  • FIAM LLC028-12282
  • FIDUCIARY MANAGEMENT INC /WI/028-01526
  • LOOMIS SAYLES & CO L P028-00398
  • MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST028-05267
  • MASSACHUSETTS FINANCIAL SERVICES CO /MA/028-04968
  • PACIFIC INVESTMENT MANAGEMENT CO LLC028-10952
  • PRICE T ROWE ASSOCIATES INC /MD/028-00115
  • TEMPLETON INVESTMENT COUNSEL LLC028-01074
  • TORTOISE CAPITAL ADVISORS, L.L.C.028-11123
  • WELLINGTON MANAGEMENT GROUP LLP028-04557
  • WELLS CAPITAL MANAGEMENT INC028-04413
  • NORTHWESTERN MUTUAL LIFE INSURANCE CO028-00229

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.