HENNESSY ADVISORS INC (HNNA) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to HENNESSY ADVISORS INC (HNNA) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.

The largest institutional buyer of HNNA during the latest reporting period was Renaissance Technologies LLC, which increased its reported HNNA position by approximately $45,815.25 based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in HNNA exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward HENNESSY ADVISORS INC (HNNA). 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 $114,137.636 in reported HNNA exposure during the latest filing period, reflecting continued institutional interest in HENNESSY ADVISORS INC's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy4,699100,088$975,858
Q3 2025Renaissance Technologies LLCBuy2,00095,788$1,000,995
Q2 2025Renaissance Technologies LLCBuy50093,788$1,181,729
Q1 2025Renaissance Technologies LLCBuy2,50093,288$929,148
Q2 2024Renaissance Technologies LLCBuy1,81395,588$680,587
Q4 2023Renaissance Technologies LLCBuy7,54794,022$631
Q3 2023Renaissance Technologies LLCBuy65086,475$576
Q2 2023Renaissance Technologies LLCBuy4,55085,825$606
Q1 2021Renaissance Technologies LLCBuy18,507148,336$1,277
Q4 2020Renaissance Technologies LLCBuy15,104129,829$1,105
Q3 2020Renaissance Technologies LLCBuy1,087114,725$951
Q2 2020Renaissance Technologies LLCBuy813113,638$897
Q4 2019Renaissance Technologies LLCBuy14,201123,725$1,247
Q3 2019Renaissance Technologies LLCBuy21,804109,524$1,184
Q2 2019Renaissance Technologies LLCBuy3,77087,720$851
Q1 2019Renaissance Technologies LLCBuy22,30083,950$777
Q1 2019Arbiter Partners Capital ManagementBuy3,00015,646$145
Q3 2018Renaissance Technologies LLCBuy8,20070,050$970
Q1 2018Renaissance Technologies LLCBuy5,80061,850$1,194
Q4 2017Renaissance Technologies LLCBuy8,87556,050$927
Q3 2017Arbiter Partners Capital ManagementBuy3,34915,995$247
Q2 2017Arbiter Partners Capital ManagementBuy12012,646$192
Q1 2017Renaissance Technologies LLCBuy16,35052,450$882
Q1 2017Arbiter Partners Capital ManagementBuy6,03312,526$211
Q4 2016Renaissance Technologies LLCBuy6,70036,100$1,146
Q3 2016Renaissance Technologies LLCBuy9,60029,400$1,043
Q2 2016Renaissance Technologies LLCBuy11,20019,800$663
Q3 2015Renaissance Technologies LLCBuy14,54014,540$345
Q3 2015Arbiter Partners Capital ManagementBuy50012,993$309
Q2 2014Arbiter Partners Capital ManagementBuy12,49312,493$186

Frequently asked questions about HNNA activity

  • Which institutional owners are buying HNNA?

    Institutional owners buying HNNA 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 HNNA activity?

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

  • Is institutional interest in HNNA increasing?

    Institutional interest in HNNA 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.