ICU MEDICAL INC (ICUI) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to ICU MEDICAL INC (ICUI) 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 ICUI during the latest reporting period was Renaissance Technologies LLC, which increased its reported ICUI position by approximately $10.28M based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in ICUI exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward ICU MEDICAL INC (ICUI). 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 $16.71M in reported ICUI exposure during the latest filing period, reflecting continued institutional interest in ICU MEDICAL INC's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2025Renaissance Technologies LLCBuy77,80086,600$11,444,190
Q3 2024First Eagle U.S. ValueBuy12,60041,900$7,635,018
Q3 2024Sequoia Financial AdvisorsBuy2012,424$441,701
Q2 2024First Eagle U.S. ValueBuy29,30029,300$3,479,375
Q4 2023Sequoia Financial AdvisorsBuy4,9754,975$496,207
Q2 2023Renaissance Technologies LLCBuy58,60086,000$15,324
Q1 2023Renaissance Technologies LLCBuy18,80027,400$4,520
Q2 2022Renaissance Technologies LLCBuy17,90082,500$13,562
Q3 2021Renaissance Technologies LLCBuy37,10092,400$21,564
Q2 2021Renaissance Technologies LLCBuy23,30055,300$11,381
Q1 2021Renaissance Technologies LLCBuy13,20032,000$6,574
Q3 2020Renaissance Technologies LLCBuy31,00043,800$8,005
Q2 2020Renaissance Technologies LLCBuy10,40012,800$2,359
Q4 2016Renaissance Technologies LLCBuy700739,700$108,995
Q1 2016Renaissance Technologies LLCBuy29,200842,000$87,652
Q4 2015Renaissance Technologies LLCBuy50,200812,800$91,668
Q3 2015Renaissance Technologies LLCBuy73,866762,600$83,505
Q2 2015Renaissance Technologies LLCBuy79,034688,734$65,884
Q1 2015Renaissance Technologies LLCBuy64,959609,700$56,787
Q3 2014Engaged CapitalBuy22,71122,711$1,458
Q1 2014Renaissance Technologies LLCBuy133,701732,201$43,844
Q4 2013Renaissance Technologies LLCBuy203,900598,500$38,130
Q3 2013Renaissance Technologies LLCBuy141,000394,600$26,805
Q2 2013Renaissance Technologies LLCBuy253,600253,600$18,274

Frequently asked questions about ICUI activity

  • Which institutional owners are buying ICUI?

    Institutional owners buying ICUI 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 ICUI activity?

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

  • Is institutional interest in ICUI increasing?

    Institutional interest in ICUI 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.

Related Buying Insights