(IMMR) Stock Institutional Trading Activity


(IMMR) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Renaissance Technologies LLCSell-107,335103,513$759,785
Q4 2024Renaissance Technologies LLCSell-637,465210,848$1,840,703
Q3 2024Renaissance Technologies LLCBuy350,100848,313$7,566,952
Q2 2024Renaissance Technologies LLCBuy150,513498,213$4,688,184
Q1 2024Renaissance Technologies LLCSell-55,500347,700$2,601
Q4 2023Renaissance Technologies LLCSell-39,300403,200$2,847
Q3 2023Renaissance Technologies LLCSell-56,633442,500$2,925
Q2 2023Renaissance Technologies LLCBuy232,233499,133$3,534
Q1 2023Renaissance Technologies LLCBuy79,600266,900$2,386
Q4 2022Renaissance Technologies LLCSell-229,713187,300$1,317
Q3 2022Renaissance Technologies LLCBuy104,300417,013$2,289
Q2 2022Renaissance Technologies LLCBuy16,600312,713$1,670
Q1 2022Renaissance Technologies LLCSell-171,657296,113$1,646
Q4 2021Renaissance Technologies LLCSell-212,443467,770$2,671
Q3 2021Renaissance Technologies LLCBuy395,920680,213$4,653
Q2 2021Renaissance Technologies LLCBuy13,410284,293$2,493
Q1 2021Renaissance Technologies LLCBuy131,870270,883$2,595
Q3 2019Renaissance Technologies LLCSell-16,700139,013$1,063
Q2 2019Renaissance Technologies LLCBuy109,113155,713$1,185
Q1 2019Renaissance Technologies LLCSell-215,31346,600$393
Q4 2018Renaissance Technologies LLCBuy12,700261,913$2,347
Q3 2018Renaissance Technologies LLCBuy217,313249,213$2,634
Q2 2017Renaissance Technologies LLCSell-5,01331,900$290
Q4 2016Renaissance Technologies LLCSell-128,50036,913$392
Q2 2016Renaissance Technologies LLCSell-57,100165,413$1,214
Q1 2016Renaissance Technologies LLCBuy98,100222,513$1,838
Q4 2015Renaissance Technologies LLCBuy99,800124,413$1,451
Q4 2014Renaissance Technologies LLCSell-121,30024,613$233
Q2 2014Renaissance Technologies LLCSell-60,771145,913$1,856
Q1 2014Renaissance Technologies LLCSell-17,229206,684$2,181

Frequently asked questions about IMMR activity

  • Which institutional owners are buying IMMR?

    Institutional owners buying IMMR 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 IMMR activity?

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

  • Is institutional interest in IMMR increasing?

    Institutional interest in IMMR 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.