Focused Appreciation Portfolio

S000000055NORTHWESTERN MUTUAL SERIES FUND INCCIK 0000742212

Share classes

No share classes in the SEC snapshot.

2,774 filed series have no class in company_tickers_mf.json, so no ticker can be reached for them.

Share classes

Report period

1 period filed. Holdings below describe the selected month only.

2026-03-31

Filing

NPORT-P · filed 2026-05-27

Report date: 2026-03-31
Net assets: $1,365,519,523.73
Total assets: $1,366,318,495.11
Total liabilities: $798,971.38
Assets invested: $0
Cash not reported in C or D: $23,508,667.87
Amendment: No
Accession: 0001410368-26-053256

By asset category

N-PORT Item C.4.a

ECEquity - common$1.34B100.0%

By asset category

By issuer category

N-PORT Item C.4.b

CORPCorporate$1.34B100.0%

By issuer category

By investment country

as filed

USUS$1.26B93.6%

CACA$36.66M2.7%

CHCH$33.53M2.5%

DKDK$14.79M1.1%

KYKY$1.36M0.1%

By country

Classification look-through

Positions resolved to the master through ISIN, then rolled up through the taxonomy. 98.2% of reported value reaches a classification.

Equity · Information Technology(10)$495.86M37.0%

Equity · Consumer Discretionary(6)$220.32M16.4%

Equity · Communication Services(3)$208.98M15.6%

Equity · Health Care(7)$150.73M11.2%

Equity · Financials(5)$100.97M7.5%

Equity · Industrials(3)$99.35M7.4%

Equity · Consumer Staples(1)$41.61M3.1%

Not resolved to the master(1)$14.27M1.1%

Resolved, not yet classified(1)$9.32M0.7%

Classification covers part of the master. 5,771 of 13,106 active securities are classified. Anything unclassified is shown as its own band rather than dropped, so a look-through total that falls short of 100% is telling you about coverage, not about the fund.

Percentages are of the reported value of positions above ($1.34B), not of the fund’s net assets ($1.37B). The two differ by cash, derivatives filed with no market value, and rounding.

Classification look-through

Holdings

37 positions in this filing

Issuer nameAsset categoryIssuer categoryCountry

Issuer↕	In master	CUSIP / ISIN	Asset	Balance↕	Value↕	Weight▲	Country
Alibaba Group Holding Ltd	BABA	01609W102 US01609W1027	EC CORP	10,814 NS	$1.36M	0.099%

1–37 of 37

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Balance is meaningless without its unit. N-PORT Item C.2.a says what the balance column counts: shares (NS), principal amount (PA), contracts (NC), or something the filer describes (OU). A bond position read as a share count is off by orders of magnitude. Every balance on this page carries its unit code.

Missing CUSIPs are filed as placeholders. Filers with no CUSIP conventionally write 999999999 or N/A rather than leaving the field blank — 1,187,114 of 5,347,869 positions do. Those are shown as missing here, not as identifiers.