There is a long list of 71 institutional holders of IVAC 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 IVAC by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-IVAC table below, the initial column indicates the name of each top institutional holder of IVAC, with a link to that fund's top holdings. The next columns indicate the amount of IVAC stock held by each of the institutional holders of IVAC, followed by the IVAC 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
Bleichroeder LP	5,039,023	$21,769	12/31/2023
IVAC	5,039,023	$21,769	12/31/2023
Royce & Associates LP	3,400,706	$14,691	12/31/2023
IVAC	3,400,706	$14,691	12/31/2023
BlackRock Inc.	1,831,291	$7,911	12/31/2023
IVAC	1,831,291	$7,911	12/31/2023
Vanguard Group Inc.	1,276,108	$5,513	12/31/2023
IVAC	1,276,108	$5,513	12/31/2023
Dimensional Fund Advisors LP	1,260,740	$5,447	12/31/2023
IVAC	1,260,740	$5,447	12/31/2023
Kennedy Capital Management Inc.	606,097	$2,618	12/31/2023
IVAC	606,097	$2,618	12/31/2023
Gamco Investors INC. ET AL	555,428	$2,399	12/31/2023
IVAC	555,428	$2,399	12/31/2023
Geode Capital Management LLC	529,451	$2,288	12/31/2023
IVAC	529,451	$2,288	12/31/2023
Renaissance Technologies LLC	501,090	$2,165	12/31/2023
IVAC	501,090	$2,165	12/31/2023
Potomac Capital Management Inc.	397,089	$1,715	12/31/2023
IVAC	397,089	$1,715	12/31/2023
Palogic Value Management L.P.	372,457	$1,609	12/31/2023
IVAC	372,457	$1,609	12/31/2023
Gabelli Funds LLC	352,680	$1,524	12/31/2023
IVAC	352,680	$1,524	12/31/2023
State Street Corp	327,848	$1,416	12/31/2023
IVAC	327,848	$1,416	12/31/2023
Teton Advisors Inc.	300,500	$1,298	12/31/2023
IVAC	300,500	$1,298	12/31/2023
GABELLI & Co INVESTMENT ADVISERS INC.	256,911	$1,110	12/31/2023
IVAC	256,911	$1,110	12/31/2023
Westerly Capital Management LLC	250,000	$1,080	12/31/2023
IVAC	250,000	$1,080	12/31/2023
Northern Trust Corp	227,854	$984	12/31/2023
IVAC	227,854	$984	12/31/2023
King Luther Capital Management Corp	190,321	$822	12/31/2023
IVAC	190,321	$822	12/31/2023
Acuitas Investments LLC	164,268	$710	12/31/2023
IVAC	164,268	$710	12/31/2023
Morgan Stanley	158,750	$686	12/31/2023
IVAC	158,750	$686	12/31/2023
Needham Investment Management LLC	145,000	$626	12/31/2023
IVAC	145,000	$626	12/31/2023
Penbrook Management LLC	162,835	$625	03/31/2024
IVAC	162,835	$625	03/31/2024
GSA Capital Partners LLP	111,475	$428	03/31/2024
IVAC	111,475	$428	03/31/2024
Bridgeway Capital Management Inc.	90,700	$392	12/31/2023
IVAC	90,700	$392	12/31/2023
Aristides Capital LLC	80,117	$346	12/31/2023
IVAC	80,117	$346	12/31/2023
Millennium Management LLC	70,620	$305	12/31/2023
IVAC	70,620	$305	12/31/2023
Charles Schwab Investment Management Inc.	70,208	$303	12/31/2023
IVAC	70,208	$303	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	65,649	$284	12/31/2023
IVAC	65,649	$284	12/31/2023
Bank of New York Mellon Corp	72,641	$279	03/31/2024
IVAC	72,641	$279	03/31/2024
Squarepoint Ops LLC	54,635	$236	12/31/2023
IVAC	54,635	$236	12/31/2023
Amundi	55,360	$229	12/31/2023
IVAC	55,360	$229	12/31/2023
Barclays PLC	39,522	$170	12/31/2023
IVAC	39,522	$170	12/31/2023
Price T Rowe Associates Inc. MD	35,846	$155	12/31/2023
IVAC	35,846	$155	12/31/2023
Nuveen Asset Management LLC	31,595	$136	12/31/2023
IVAC	31,595	$136	12/31/2023
JPMorgan Chase & Co.	30,401	$131	12/31/2023
IVAC	30,401	$131	12/31/2023
Marquette Asset Management LLC	32,777	$126	03/31/2024
IVAC	32,777	$126	03/31/2024
Rhumbline Advisers	28,113	$121	12/31/2023
IVAC	28,113	$121	12/31/2023
Bank of America Corp DE	24,842	$107	12/31/2023
IVAC	24,842	$107	12/31/2023
Goldman Sachs Group Inc.	23,081	$100	12/31/2023
IVAC	23,081	$100	12/31/2023
UBS Group AG	22,953	$99	12/31/2023
IVAC	22,953	$99	12/31/2023
Yakira Capital Management Inc.	22,243	$96	12/31/2023
IVAC	22,243	$96	12/31/2023
Occudo Quantitative Strategies LP	19,055	$82	12/31/2023
IVAC	19,055	$82	12/31/2023
Russell Investments Group Ltd.	20,737	$80	03/31/2024
IVAC	20,737	$80	03/31/2024
Boothbay Fund Management LLC	17,745	$77	12/31/2023
IVAC	17,745	$77	12/31/2023
Fruth Investment Management	17,700	$67	03/31/2024
IVAC	17,700	$67	03/31/2024
Prelude Capital Management LLC	14,789	$64	12/31/2023
IVAC	14,789	$64	12/31/2023
Citadel Advisors LLC		$60	12/31/2023
IVAC	12,667	$55	12/31/2023
Call	2,100	$9	12/31/2023
Put	900	$4	12/31/2023
American International Group Inc.	12,873	$56	12/31/2023
IVAC	12,873	$56	12/31/2023
New York State Common Retirement Fund	14,308	$55	03/31/2024
IVAC	14,308	$55	03/31/2024
Invesco Ltd.	12,212	$53	12/31/2023
IVAC	12,212	$53	12/31/2023