NORTHWESTERN MUTUAL SERIES FUND INC
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Other (1546)
485APOS
Wednesday, 2/14/2024
Post-effective amendment filed pursuant to Securities Act Rule 485(a) (this filing cannot be submitted as a 1940 Act only filing)
N-MFP2
Wednesday, 2/7/2024
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
40-17G
Friday, 1/12/2024
Fidelity bond filed pursuant to Rule 17g1(g)(1) of the Investment Company Act of 1940
N-MFP2
Monday, 1/8/2024
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
497
Thursday, 12/28/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-MFP2
Wednesday, 12/6/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 11/29/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
N-MFP2
Tuesday, 11/7/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
497K
Thursday, 10/12/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Thursday, 10/12/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497
Thursday, 10/12/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
497K
Thursday, 10/12/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
N-MFP2
Friday, 10/6/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
N-MFP2
Friday, 9/8/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
NPORT-P/A
Thursday, 9/7/2023
None
N-CSRS
Thursday, 9/7/2023
Certified semi-annual shareholder report of registered management investment companies filed on Form N-CSR
NPORT-P/A
Thursday, 9/7/2023
None
NPORT-P/A
Wednesday, 9/6/2023
None
N-PX
Tuesday, 8/29/2023
Annual Report of Proxy Voting Record of Registered Management Investment Companies filed on Form N-PX
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Wednesday, 8/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
N-MFP2
Monday, 8/7/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
497K
Tuesday, 7/25/2023
Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(k)
497
Tuesday, 7/25/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-MFP2
Monday, 7/10/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
N-MFP2/A
Thursday, 6/8/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
N-MFP2/A
Thursday, 6/8/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
N-MFP2
Wednesday, 6/7/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
497
Wednesday, 6/7/2023
Definitive materials filed under paragraph (a), (b), (c), (d), (e) or (f) of Securities Act Rule 497
N-MFP2/A
Friday, 6/2/2023
Monthly Schedule of Portfolio Holdings of Money Market Funds on Form N-MFP
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
NPORT-P
Tuesday, 5/23/2023
Monthly Portfolio Investments Report on Form N-PORT (Public)
Proxies (36)
DEF 14C
Friday, 10/27/2023
Definitive information statements
DEF 14C
Monday, 5/9/2022
Definitive information statements
DEF 14C
Friday, 1/28/2022
Definitive information statements
DEF 14C
Friday, 1/28/2022
Definitive information statements
DEF 14C
Monday, 3/22/2021
Definitive information statements
DEF 14C
Monday, 3/22/2021
Definitive information statements
DEF 14C
Monday, 12/23/2019
Definitive information statements
DEF 14C
Thursday, 12/21/2017
Definitive information statements
DEF 14C
Friday, 6/16/2017
Definitive information statements
DEF 14A
Friday, 9/23/2016
Definitive proxy statements
DEFA14A
Friday, 9/23/2016
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRE 14A
Thursday, 8/25/2016
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14C
Friday, 10/23/2015
Definitive information statements
DEF 14C
Friday, 10/23/2015
Definitive information statements
DEF 14C
Friday, 1/23/2015
Definitive information statements
DEF 14C
Friday, 1/23/2015
Definitive information statements
DEF 14C
Friday, 1/23/2015
Definitive information statements
DEF 14C
Friday, 1/23/2015
Definitive information statements
DEF 14C
Friday, 9/13/2013
Definitive information statements
DEF 14C
Friday, 9/13/2013
Definitive information statements
DEF 14C
Friday, 9/13/2013
Definitive information statements
DEF 14C
Friday, 9/13/2013
Definitive information statements
DEF 14C
Friday, 12/14/2012
Definitive information statements
DEF 14C
Friday, 12/14/2012
Definitive information statements
DEF 14A
Friday, 3/9/2012
Definitive proxy statements
DEFA14A
Friday, 3/9/2012
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRER14A
Monday, 2/27/2012
Preliminary revised proxy soliciting materials
PRE 14A
Tuesday, 1/31/2012
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14C
Tuesday, 5/25/2010
Definitive information statements
DEF 14C
Tuesday, 11/17/2009
Definitive information statements
DEF 14C
Friday, 5/8/2009
Definitive information statements
DEF 14A
Thursday, 1/4/2007
Definitive proxy statements
DEFA14A
Friday, 12/29/2006
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRE 14A
Friday, 12/8/2006
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14A
Tuesday, 3/18/2003
Definitive proxy statements
PRE 14A
Thursday, 2/20/2003
Preliminary proxy statement not related to a contested matter or merger/acquisition