Power Solutions International Inc

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Power Solutions International Inc
TickerPSIX
CIK #0001137091
CUSIP73933G202
SectorTechnology - Engines & Turbines
Address655 Wheat Lane, Wood Dale, IL 60191
Source [EDGAR]
CIK Filing 2011 - 2025
[0001137091] 10-K
[0001137091] 10-Q
[0001137091] 3
[0001137091] 4
[0001137091] 5
[0001137091] 8-K
[0001137091] SC 13D
[0001137091] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Weichai America Corp Power Solutions International Inc [2017-04-07] 19.99
Elk Creek Partners LLC Power Solutions International Inc [2017-02-15] 7.04
Elk Creek Partners LLC Power Solutions International Inc [2016-07-13] 5.02
Wellington Trust Co N A Power Solutions International Inc [2016-02-11] 6.71
Granahan Investment Management Inc/Ma Power Solutions International Inc [2016-02-10] 5.1
Wellington Management Group LLP Power Solutions International Inc [2015-12-10] 10.43
Gagnon Securities LLC Power Solutions International Inc [2015-09-23] 3.29
Form 3/4/5 Filer 2011 - 2025
Power Solutions International Inc
Weichai America Corp.
Weichai Power Co., Ltd.
Shandong Heavy Industry Group Co., Ltd.
He Hong
Li Xun
Xykis Constantine
Simpkins Frank P
Shea Courtney C.
Winemaster Gary S
Landini Kenneth W
Gagnon Neil
Lehner Randall
Yu Fuzhang
Zhang Jiwen
Zhang Gengsheng
Mozzi Fabrizio
Thomas Matthew Joseph
Gu Junhua
Arnett Lance Michael
Wu Guogang
Lei Lei
Shao Sidong
Li Xinghao
Lin Jason C.
Avery Charles F Jr
Coolidge Leslie Anne
Miller John P.
Winemaster Kenneth J
Sun Shaojun
Jiang Kui
Klein Donald P
Liu Huisheng
Buzogany William Alan
Cunningham Timothy J
Lewis Michael
Cohen Eric A.
Hoffing Ellen Randi
Gorey Daniel P
Greenawalt H Samuel
Form 13F Holdings
Firm Period DFND Voting Shares
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Vanguard Group Inc [2025-06-30] SOLE 0 353,998
Gagnon Securities LLC [2025-06-30] SOLE 0 341,611
Gagnon Advisors LLC [2025-06-30] SOLE 0 180,405
Geode Capital Management LLC [2025-06-30] DFND 154,383 154,383
Two Sigma Investments LP [2025-06-30] SOLE 110,072 110,072
Wells Fargo & Company/MN [2025-06-30] DFND 3,454 105,496
O'shaughnessy Asset Management LLC [2025-06-30] SOLE 78,991 78,991
State Street Corp [2025-06-30] DFND 69,150 78,320
Citadel Advisors LLC [2025-06-30] DFND 74,546 74,546
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 73,202 73,202
Raymond James Financial Inc [2025-06-30] DFND 0 67,914
Goldman Sachs Group Inc [2025-06-30] DFND 62,131 62,131
Valiant Capital Management LP [2025-06-30] SOLE 60,505 60,505
Renaissance Technologies LLC [2025-06-30] SOLE 56,396 56,396
Independent Advisor Alliance [2025-06-30] SOLE 0 54,545
Morgan Stanley [2025-06-30] DFND 23,709 51,408
Charles Schwab Investment Management Inc [2025-06-30] SOLE 47,510 47,510
Northern Trust Corp [2025-06-30] DFND 46,827 46,827
Informed Momentum Co LLC [2025-06-30] SOLE 10,538 46,430
LPL Financial LLC [2025-06-30] SOLE 0 45,907
Two Sigma Advisers LP [2025-06-30] SOLE 44,000 44,800
Navellier & Associates Inc [2025-06-30] SOLE 0 43,603
Ritholtz Wealth Management [2025-06-30] SOLE 172 40,873
Millennium Management LLC [2025-06-30] SOLE 40,863 40,863
S Squared Technology LLC [2025-06-30] SOLE 39,574 39,574
Burney CO/ [2025-06-30] SOLE 624 39,138
MML Investors Services LLC [2025-06-30] DFND 0 30,033
Corsair Capital Management LP [2025-06-30] SOLE 25,635 25,635
Cetera Investment Advisers [2025-06-30] SOLE 0 21,978
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