There is a long list of 245 institutional holders of ICUI within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of ICUI by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ICUI table below, the initial column indicates the name of each top institutional holder of ICUI, with a link to that fund's top holdings. The next columns indicate the amount of ICUI stock held by each of the institutional holders of ICUI, followed by the ICUI position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	2,594,888	$278,483	03/31/2024
ICUI	2,594,888	$278,483	03/31/2024
Vanguard Group Inc.	2,452,720	$263,226	03/31/2024
ICUI	2,452,720	$263,226	03/31/2024
Janus Henderson Group PLC	2,617,933	$261,112	12/31/2023
ICUI	2,617,933	$261,112	12/31/2023
Fuller & Thaler Asset Management Inc.	1,534,742	$164,709	03/31/2024
ICUI	1,534,742	$164,709	03/31/2024
Wellington Management Group LLP	1,575,456	$157,136	12/31/2023
ICUI	1,575,456	$157,136	12/31/2023
JPMorgan Chase & Co.	817,917	$87,779	03/31/2024
ICUI	817,917	$87,779	03/31/2024
State Street Corp	723,682	$72,180	12/31/2023
ICUI	723,682	$72,180	12/31/2023
Neuberger Berman Group LLC	584,169	$62,693	03/31/2024
ICUI	584,169	$62,693	03/31/2024
Morgan Stanley	584,633	$58,311	12/31/2023
ICUI	584,633	$58,311	12/31/2023
Segall Bryant & Hamill LLC	484,480	$48,322	12/31/2023
ICUI	484,480	$48,322	12/31/2023
T. Rowe Price Investment Management Inc.	442,403	$44,126	12/31/2023
ICUI	442,403	$44,126	12/31/2023
Schroder Investment Management Group	433,852	$43,272	12/31/2023
ICUI	433,852	$43,272	12/31/2023
Point72 Asset Management L.P.	369,701	$36,874	12/31/2023
ICUI	369,701	$36,874	12/31/2023
Ameriprise Financial Inc.	368,005	$36,705	12/31/2023
ICUI	368,005	$36,705	12/31/2023
Boston Trust Walden Corp	341,090	$36,606	03/31/2024
ICUI	341,090	$36,606	03/31/2024
Geode Capital Management LLC	334,798	$35,938	03/31/2024
ICUI	334,798	$35,938	03/31/2024
WCM Investment Management LLC	256,946	$27,575	03/31/2024
ICUI	256,946	$27,575	03/31/2024
Dimensional Fund Advisors LP	255,954	$27,469	03/31/2024
ICUI	255,954	$27,469	03/31/2024
First Trust Advisors LP	250,286	$26,861	03/31/2024
ICUI	250,286	$26,861	03/31/2024
Northwestern Mutual Wealth Management Co.	229,877	$22,928	12/31/2023
ICUI	229,877	$22,928	12/31/2023
Qube Research & Technologies Ltd	229,008	$22,841	12/31/2023
ICUI	229,008	$22,841	12/31/2023
Charles Schwab Investment Management Inc.	211,636	$22,713	03/31/2024
ICUI	211,636	$22,713	03/31/2024
Bank of New York Mellon Corp	194,199	$20,841	03/31/2024
ICUI	194,199	$20,841	03/31/2024
Norges Bank	207,230	$20,669	12/31/2023
ICUI	207,230	$20,669	12/31/2023
Northern Trust Corp	205,744	$20,521	12/31/2023
ICUI	205,744	$20,521	12/31/2023
Bank of America Corp DE	197,890	$19,738	12/31/2023
ICUI	197,890	$19,738	12/31/2023
GW&K Investment Management LLC	165,991	$17,814	03/31/2024
ICUI	165,991	$17,814	03/31/2024
The Manufacturers Life Insurance Company	177,009	$17,655	12/31/2023
ICUI	177,009	$17,655	12/31/2023
Federated Hermes Inc.	176,232	$17,577	12/31/2023
ICUI	176,232	$17,577	12/31/2023
Mesirow Institutional Investment Management Inc.	143,731	$15,425	03/31/2024
ICUI	143,731	$15,425	03/31/2024
Silvercrest Asset Management Group LLC	132,951	$13,261	12/31/2023
ICUI	132,951	$13,261	12/31/2023
Man Group plc	122,879	$12,256	12/31/2023
ICUI	122,879	$12,256	12/31/2023
Voloridge Investment Management LLC	118,039	$11,773	12/31/2023
ICUI	118,039	$11,773	12/31/2023
Principal Financial Group Inc.	107,344	$11,520	03/31/2024
ICUI	107,344	$11,520	03/31/2024
Citadel Advisors LLC		$11,057	12/31/2023
ICUI	108,048	$10,777	12/31/2023
Call	5,500	$549	12/31/2023
Put	2,700	$269	12/31/2023
Invesco Ltd.	109,994	$10,971	12/31/2023
ICUI	109,994	$10,971	12/31/2023
Allspring Global Investments Holdings LLC	90,908	$9,756	03/31/2024
ICUI	90,908	$9,756	03/31/2024
Nitorum Capital L.P.	85,112	$8,489	12/31/2023
ICUI	85,112	$8,489	12/31/2023
Balyasny Asset Management LLC	69,368	$7,445	03/31/2024
ICUI	69,368	$7,445	03/31/2024
Gabelli Funds LLC	69,550	$6,937	12/31/2023
ICUI	69,550	$6,937	12/31/2023
Marshall Wace LLP	61,948	$6,179	12/31/2023
ICUI	61,948	$6,179	12/31/2023
Rhumbline Advisers	54,397	$5,838	03/31/2024
ICUI	54,397	$5,838	03/31/2024
Legal & General Group Plc	55,473	$5,533	12/31/2023
ICUI	55,473	$5,533	12/31/2023
Scout Investments Inc.	51,819	$5,463	03/31/2024
ICUI	51,819	$5,463	03/31/2024
Fisher Asset Management LLC	49,000	$5,259	03/31/2024
ICUI	49,000	$5,259	03/31/2024
New York State Common Retirement Fund	48,256	$5,179	03/31/2024
ICUI	48,256	$5,179	03/31/2024
Jane Street Group LLC	50,013	$4,988	12/31/2023
ICUI	50,013	$4,988	12/31/2023
Nuveen Asset Management LLC	44,819	$4,810	03/31/2024
ICUI	44,819	$4,810	03/31/2024
Tudor Investment Corp Et Al	46,703	$4,658	12/31/2023
ICUI	46,703	$4,658	12/31/2023
Swiss National Bank	40,419	$4,338	03/31/2024
ICUI	40,419	$4,338	03/31/2024