On this page, we present all of the funds holding ISTR from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding ISTR, with a link to that fund's top holdings. The next columns indicate the amount of ISTR stock held by each of the funds holding ISTR, followed by the ISTR position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 58 funds holding ISTR within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Fourthstone LLC. For more details on the positions held by Fourthstone LLC (or by any of the other funds holding ISTR), click the fund name in the "Holder" column of the funds-holding-ISTR table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Fourthstone LLC	972,906	$14,506	12/31/2023
ISTR	972,906	$14,506	12/31/2023
Banc Funds Co. LLC	609,617	$9,089	12/31/2023
ISTR	609,617	$9,089	12/31/2023
Vanguard Group Inc.	471,690	$7,033	12/31/2023
ISTR	471,690	$7,033	12/31/2023
Maltese Capital Management LLC	280,000	$4,175	12/31/2023
ISTR	280,000	$4,175	12/31/2023
Royce & Associates LP	264,310	$3,941	12/31/2023
ISTR	264,310	$3,941	12/31/2023
Alliancebernstein L.P.	232,236	$3,463	12/31/2023
ISTR	232,236	$3,463	12/31/2023
M3F Inc.	223,187	$3,328	12/31/2023
ISTR	223,187	$3,328	12/31/2023
Franklin Resources Inc.	215,100	$3,207	12/31/2023
ISTR	215,100	$3,207	12/31/2023
Hotchkis & Wiley Capital Management LLC	201,390	$3,003	12/31/2023
ISTR	201,390	$3,003	12/31/2023
Dimensional Fund Advisors LP	190,429	$2,839	12/31/2023
ISTR	190,429	$2,839	12/31/2023
Petiole USA ltd	172,043	$2,565	12/31/2023
ISTR	172,043	$2,565	12/31/2023
BlackRock Inc.	165,632	$2,470	12/31/2023
ISTR	165,632	$2,470	12/31/2023
Kennedy Capital Management Inc.	157,335	$2,346	12/31/2023
ISTR	157,335	$2,346	12/31/2023
Bridgeway Capital Management Inc.	134,498	$2,005	12/31/2023
ISTR	134,498	$2,005	12/31/2023
Wellington Management Group LLP	131,308	$1,958	12/31/2023
ISTR	131,308	$1,958	12/31/2023
Geode Capital Management LLC	108,659	$1,620	12/31/2023
ISTR	108,659	$1,620	12/31/2023
Russell Investments Group Ltd.	86,914	$1,296	12/31/2023
ISTR	86,914	$1,296	12/31/2023
Green Square Capital Advisors LLC	56,695	$845	12/31/2023
ISTR	56,695	$845	12/31/2023
Northern Trust Corp	45,235	$674	12/31/2023
ISTR	45,235	$674	12/31/2023
Empowered Funds LLC	42,233	$630	12/31/2023
ISTR	42,233	$630	12/31/2023
Millennium Management LLC	37,584	$560	12/31/2023
ISTR	37,584	$560	12/31/2023
Renaissance Technologies LLC	30,875	$460	12/31/2023
ISTR	30,875	$460	12/31/2023
Greenwich Investment Management Inc.	30,655	$457	12/31/2023
ISTR	30,655	$457	12/31/2023
Hsbc Holdings PLC	29,995	$452	12/31/2023
ISTR	29,995	$452	12/31/2023
State Street Corp	28,148	$422	12/31/2023
ISTR	28,148	$422	12/31/2023
Bank of New York Mellon Corp	22,743	$372	03/31/2024
ISTR	22,743	$372	03/31/2024
Boston Partners	18,574	$277	12/31/2023
ISTR	18,574	$277	12/31/2023
Barclays PLC	16,714	$249	12/31/2023
ISTR	16,714	$249	12/31/2023
Ameriprise Financial Inc.	16,155	$241	12/31/2023
ISTR	16,155	$241	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	15,407	$230	12/31/2023
ISTR	15,407	$230	12/31/2023
ExodusPoint Capital Management LP	13,369	$199	12/31/2023
ISTR	13,369	$199	12/31/2023
Stratos Wealth Partners LTD.	12,065	$197	03/31/2024
ISTR	12,065	$197	03/31/2024
Morgan Stanley	12,669	$189	12/31/2023
ISTR	12,669	$189	12/31/2023
Advisory Services Network LLC	12,600	$188	12/31/2023
ISTR	12,600	$188	12/31/2023
Qube Research & Technologies Ltd	12,350	$184	12/31/2023
ISTR	12,350	$184	12/31/2023
Citadel Advisors LLC	11,964	$178	12/31/2023
ISTR	11,964	$178	12/31/2023
Ritholtz Wealth Management	10,749	$176	03/31/2024
ISTR	10,749	$176	03/31/2024
Jacobs Levy Equity Management Inc.	11,314	$169	12/31/2023
ISTR	11,314	$169	12/31/2023
Jane Street Group LLC	10,697	$159	12/31/2023
ISTR	10,697	$159	12/31/2023
Goldman Sachs Group Inc.	10,605	$158	12/31/2023
ISTR	10,605	$158	12/31/2023
Janney Montgomery Scott LLC	10,500	$157	12/31/2023
ISTR	10,500	$157	12/31/2023
HighTower Advisors LLC	10,000	$149	12/31/2023
ISTR	10,000	$149	12/31/2023
Royal Bank of Canada	8,953	$134	12/31/2023
ISTR	8,953	$134	12/31/2023
AJOVista LLC	3,705	$55	12/31/2023
ISTR	3,705	$55	12/31/2023
LSV Asset Management	3,400	$51	12/31/2023
ISTR	3,400	$51	12/31/2023
Bank of America Corp DE	3,096	$46	12/31/2023
ISTR	3,096	$46	12/31/2023
CWM LLC	2,770	$45	03/31/2024
ISTR	2,770	$45	03/31/2024
GWM Advisors LLC	2,587	$39	12/31/2023
ISTR	2,587	$39	12/31/2023
UBS Group AG	2,541	$38	12/31/2023
ISTR	2,541	$38	12/31/2023
Copeland Capital Management LLC	1,987	$33	03/31/2024
ISTR	1,987	$33	03/31/2024
JPMorgan Chase & Co.	2,212	$33	12/31/2023
ISTR	2,212	$33	12/31/2023
Public Employees Retirement System of Ohio	2,026	$30	12/31/2023
ISTR	2,026	$30	12/31/2023
The PNC Financial Services Group Inc.	1,875	$28	12/31/2023
ISTR	1,875	$28	12/31/2023
Citigroup Inc.	1,817	$27	12/31/2023
ISTR	1,817	$27	12/31/2023
Wells Fargo & Company MN	1,442	$21	12/31/2023
ISTR	1,442	$21	12/31/2023
Rhumbline Advisers	365	$5	12/31/2023
ISTR	365	$5	12/31/2023
Capital Advisors Ltd. LLC	180	$3	03/31/2024
ISTR	180	$3	03/31/2024
Proequities Inc.	134	$2	12/31/2023
ISTR	134	$2	12/31/2023
Parallel Advisors LLC	6	$0	12/31/2023
ISTR	6	$0	12/31/2023