CSP INC (CSPI) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to CSP INC (CSPI) during the quarter ended June 30, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.

The largest institutional buyer of CSPI during the latest reporting period was Renaissance Technologies LLC, which increased its reported CSPI position by approximately $235,419.986 based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in CSPI exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward CSP INC (CSPI). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.

The investors highlighted on this page collectively added approximately $281,025.747 in reported CSPI exposure during the latest filing period, reflecting continued institutional interest in CSP INC's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Renaissance Technologies LLCBuy3,000306,526$3,540,375
Q2 2024Renaissance Technologies LLCBuy15,800442,226$6,589,167
Q1 2024Renaissance Technologies LLCBuy264,063426,426$7,872
Q3 2023Renaissance Technologies LLCBuy8,800170,063$2,976
Q1 2023Renaissance Technologies LLCBuy3,900162,963$2,215
Q1 2021Renaissance Technologies LLCBuy7,200236,054$2,054
Q4 2020Renaissance Technologies LLCBuy6,300228,854$1,769
Q1 2018Renaissance Technologies LLCBuy15,110269,000$2,892
Q4 2017Renaissance Technologies LLCBuy5,083253,890$4,015
Q1 2017Renaissance Technologies LLCBuy8,000251,300$2,619
Q4 2016Renaissance Technologies LLCBuy37,100243,300$2,574
Q3 2016Renaissance Technologies LLCBuy39,000206,200$2,109
Q2 2016Renaissance Technologies LLCBuy9,000167,200$1,358
Q1 2016Renaissance Technologies LLCBuy8,400158,200$944
Q4 2015Renaissance Technologies LLCBuy2,200149,800$1,040
Q3 2015Renaissance Technologies LLCBuy2,900147,600$807
Q2 2015Renaissance Technologies LLCBuy3,000144,700$1,005
Q4 2014Renaissance Technologies LLCBuy8,900144,600$1,056
Q2 2014Renaissance Technologies LLCBuy8,500136,000$948
Q1 2014Renaissance Technologies LLCBuy16,000127,500$983
Q4 2013Renaissance Technologies LLCBuy20,800111,500$902
Q3 2013Renaissance Technologies LLCBuy20,10090,700$641
Q2 2013Ariel Appreciation FundBuy369,236369,236$3,284
Q2 2013Renaissance Technologies LLCBuy70,60070,600$628

Frequently asked questions about CSPI activity

  • Which institutional owners are buying CSPI?

    Institutional owners buying CSPI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CSPI activity?

    "Buy" means an investor increased their reported position in CSPI compared to the prior reporting period. This reflects growing exposure to CSP INC (CSPI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CSPI increasing?

    Institutional interest in CSPI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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