On this page, we present all of the funds holding IMMR from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding IMMR, with a link to that fund's top holdings. The next columns indicate the amount of IMMR stock held by each of the funds holding IMMR, followed by the IMMR position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 128 funds holding IMMR within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc. (or by any of the other funds holding IMMR), click the fund name in the "Holder" column of the funds-holding-IMMR table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	2,232,719	$15,763	12/31/2023
IMMR	2,232,719	$15,763	12/31/2023
Vanguard Group Inc.	1,875,995	$13,245	12/31/2023
IMMR	1,875,995	$13,245	12/31/2023
LSV Asset Management	1,669,267	$11,785	12/31/2023
IMMR	1,669,267	$11,785	12/31/2023
Royce & Associates LP	1,150,688	$8,124	12/31/2023
IMMR	1,150,688	$8,124	12/31/2023
Dimensional Fund Advisors LP	1,109,644	$7,834	12/31/2023
IMMR	1,109,644	$7,834	12/31/2023
Geode Capital Management LLC	697,188	$4,923	12/31/2023
IMMR	697,188	$4,923	12/31/2023
AQR Capital Management LLC	655,357	$4,627	12/31/2023
IMMR	655,357	$4,627	12/31/2023
State Street Corp	601,824	$4,249	12/31/2023
IMMR	601,824	$4,249	12/31/2023
American Century Companies Inc.	458,767	$3,239	12/31/2023
IMMR	458,767	$3,239	12/31/2023
Bank of New York Mellon Corp	433,325	$3,059	12/31/2023
IMMR	433,325	$3,059	12/31/2023
Renaissance Technologies LLC	403,200	$2,847	12/31/2023
IMMR	403,200	$2,847	12/31/2023
Morgan Stanley	389,362	$2,749	12/31/2023
IMMR	389,362	$2,749	12/31/2023
Victory Capital Management Inc.	380,609	$2,687	12/31/2023
IMMR	380,609	$2,687	12/31/2023
Portolan Capital Management LLC	363,471	$2,566	12/31/2023
IMMR	363,471	$2,566	12/31/2023
Two Sigma Advisers LP	324,600	$2,292	12/31/2023
IMMR	324,600	$2,292	12/31/2023
Northern Trust Corp	303,389	$2,142	12/31/2023
IMMR	303,389	$2,142	12/31/2023
Nissay Asset Management Corp Japan ADV	298,432	$2,107	12/31/2023
IMMR	298,432	$2,107	12/31/2023
Two Sigma Investments LP	235,316	$1,661	12/31/2023
IMMR	235,316	$1,661	12/31/2023
Russell Investments Group Ltd.	235,045	$1,659	12/31/2023
IMMR	235,045	$1,659	12/31/2023
Nomura Holdings Inc.		$1,377	12/31/2023
Call	195,100	$1,377	12/31/2023
O Shaughnessy Asset Management LLC	173,901	$1,228	12/31/2023
IMMR	173,901	$1,228	12/31/2023
Greenwood Capital Associates LLC	157,903	$1,115	12/31/2023
IMMR	157,903	$1,115	12/31/2023
Acadian Asset Management LLC	114,027	$804	12/31/2023
IMMR	114,027	$804	12/31/2023
Perritt Capital Management Inc.	113,100	$798	12/31/2023
IMMR	113,100	$798	12/31/2023
Millennium Management LLC	110,818	$782	12/31/2023
IMMR	110,818	$782	12/31/2023
SummerHaven Investment Management LLC	103,293	$773	03/31/2024
IMMR	103,293	$773	03/31/2024
Ancora Advisors LLC	106,078	$749	12/31/2023
IMMR	106,078	$749	12/31/2023
Goldman Sachs Group Inc.	105,835	$747	12/31/2023
IMMR	105,835	$747	12/31/2023
Campbell & CO Investment Adviser LLC	104,834	$740	12/31/2023
IMMR	104,834	$740	12/31/2023
Alberta Investment Management Corp	98,200	$693	12/31/2023
IMMR	98,200	$693	12/31/2023
Guggenheim Capital LLC	93,797	$662	12/31/2023
IMMR	93,797	$662	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	83,428	$624	03/31/2024
IMMR	83,428	$624	03/31/2024
Charles Schwab Investment Management Inc.	84,660	$598	12/31/2023
IMMR	84,660	$598	12/31/2023
Hussman Strategic Advisors Inc.	84,000	$593	12/31/2023
IMMR	84,000	$593	12/31/2023
UBS Group AG	79,532	$561	12/31/2023
IMMR	79,532	$561	12/31/2023
Man Group plc	75,900	$536	12/31/2023
IMMR	75,900	$536	12/31/2023
D. E. Shaw & Co. Inc.	74,912	$529	12/31/2023
IMMR	74,912	$529	12/31/2023
Bridgeway Capital Management Inc.	74,400	$525	12/31/2023
IMMR	74,400	$525	12/31/2023
Jane Street Group LLC	64,362	$454	12/31/2023
IMMR	64,362	$454	12/31/2023
Janney Montgomery Scott LLC	62,615	$442	12/31/2023
IMMR	62,615	$442	12/31/2023
Gallacher Capital Management LLC	59,481	$420	12/31/2023
IMMR	59,481	$420	12/31/2023
Deerfield Management Company L.P. Series C	59,075	$417	12/31/2023
IMMR	59,075	$417	12/31/2023
Nuveen Asset Management LLC	57,810	$408	12/31/2023
IMMR	57,810	$408	12/31/2023
Verdad Advisers LP	57,000	$402	12/31/2023
IMMR	57,000	$402	12/31/2023
Bank of America Corp DE	53,773	$380	12/31/2023
IMMR	53,773	$380	12/31/2023
Royal Bank of Canada	53,742	$379	12/31/2023
IMMR	53,742	$379	12/31/2023
Boston Partners	53,136	$375	12/31/2023
IMMR	53,136	$375	12/31/2023
Martingale Asset Management L P	52,257	$369	12/31/2023
IMMR	52,257	$369	12/31/2023
BNP Paribas Arbitrage SA	50,308	$355	12/31/2023
IMMR	50,308	$355	12/31/2023
Rhumbline Advisers	48,797	$344	12/31/2023
IMMR	48,797	$344	12/31/2023
PEAK6 Investments LLC		$333	12/31/2023
IMMR	76,965	$543	12/31/2023
Put	29,800	$210	12/31/2023
Denali Advisors LLC	46,600	$329	12/31/2023
IMMR	46,600	$329	12/31/2023
Penbrook Management LLC	42,530	$318	03/31/2024
IMMR	42,530	$318	03/31/2024
Perennial Investment Advisors LLC	45,072	$318	12/31/2023
IMMR	45,072	$318	12/31/2023
Exchange Traded Concepts LLC	41,731	$312	03/31/2024
IMMR	41,731	$312	03/31/2024
Barclays PLC	42,982	$304	12/31/2023
IMMR	42,982	$304	12/31/2023
Truist Financial Corp	39,132	$276	12/31/2023
IMMR	39,132	$276	12/31/2023
WINTON GROUP Ltd	38,800	$274	12/31/2023
IMMR	38,800	$274	12/31/2023
Brighton Jones LLC	37,701	$266	12/31/2023
IMMR	37,701	$266	12/31/2023
Strs Ohio	36,000	$254	12/31/2023
IMMR	36,000	$254	12/31/2023
ProShare Advisors LLC	36,007	$254	12/31/2023
IMMR	36,007	$254	12/31/2023
State of Wyoming	34,435	$243	12/31/2023
IMMR	34,435	$243	12/31/2023
HRT Financial LP	33,886	$239	12/31/2023
IMMR	33,886	$239	12/31/2023
Franklin Resources Inc.	32,792	$232	12/31/2023
IMMR	32,792	$232	12/31/2023
Ritholtz Wealth Management	32,854	$232	12/31/2023
IMMR	32,854	$232	12/31/2023
Aviva PLC	31,171	$220	12/31/2023
IMMR	31,171	$220	12/31/2023
Price T Rowe Associates Inc. MD	27,980	$198	12/31/2023
IMMR	27,980	$198	12/31/2023
Register Financial Advisors LLC	25,836	$193	03/31/2024
IMMR	25,836	$193	03/31/2024
Systematic Alpha Investments LLC	24,400	$172	12/31/2023
IMMR	24,400	$172	12/31/2023
JPMorgan Chase & Co.	22,475	$159	12/31/2023
IMMR	22,475	$159	12/31/2023
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	22,948	$159	12/31/2023
IMMR	22,948	$159	12/31/2023
SG Americas Securities LLC	22,239	$157	12/31/2023
IMMR	22,239	$157	12/31/2023
Hennion & Walsh Asset Management Inc.	20,364	$152	03/31/2024
IMMR	20,364	$152	03/31/2024
Invesco Ltd.	19,733	$139	12/31/2023
IMMR	19,733	$139	12/31/2023
Metis Global Partners LLC	19,367	$137	12/31/2023
IMMR	19,367	$137	12/31/2023
Citadel Advisors LLC		$120	12/31/2023
Call	30,800	$217	12/31/2023
Put	13,800	$97	12/31/2023
Mirae Asset Global Investments Co. Ltd.	16,991	$120	12/31/2023
IMMR	16,991	$120	12/31/2023
MetLife Investment Management LLC	16,634	$117	12/31/2023
IMMR	16,634	$117	12/31/2023
American International Group Inc.	15,563	$110	12/31/2023
IMMR	15,563	$110	12/31/2023
Brandywine Global Investment Management LLC	14,990	$106	12/31/2023
IMMR	14,990	$106	12/31/2023
Raymond James & Associates	14,818	$105	12/31/2023
IMMR	14,818	$105	12/31/2023
New York State Common Retirement Fund	14,361	$101	12/31/2023
IMMR	14,361	$101	12/31/2023
Voya Investment Management LLC	13,882	$98	12/31/2023
IMMR	13,882	$98	12/31/2023
The Manufacturers Life Insurance Company	12,434	$88	12/31/2023
IMMR	12,434	$88	12/31/2023
Banque Cantonale Vaudoise	10,834	$81	03/31/2024
IMMR	10,834	$81	03/31/2024
Panagora Asset Management Inc.	10,106	$71	12/31/2023
IMMR	10,106	$71	12/31/2023
Alliancebernstein L.P.	10,100	$71	12/31/2023
IMMR	10,100	$71	12/31/2023
Grey Street Capital LLC	10,000	$71	12/31/2023
IMMR	10,000	$71	12/31/2023
Wells Fargo & Company MN	9,942	$70	12/31/2023
IMMR	9,942	$70	12/31/2023
Deutsche Bank AG	9,720	$69	12/31/2023
IMMR	9,720	$69	12/31/2023
Citigroup Inc.	7,294	$51	12/31/2023
IMMR	7,294	$51	12/31/2023
Advisor Group Holdings Inc.	7,067	$50	12/31/2023
IMMR	7,067	$50	12/31/2023
California State Teachers Retirement System	5,154	$36	12/31/2023
IMMR	5,154	$36	12/31/2023
Copeland Capital Management LLC	4,398	$31	12/31/2023
IMMR	4,398	$31	12/31/2023
Tower Research Capital LLC TRC	4,142	$29	12/31/2023
IMMR	4,142	$29	12/31/2023
Signaturefd LLC	4,000	$28	12/31/2023
IMMR	4,000	$28	12/31/2023
Caitlin John LLC	3,965	$28	12/31/2023
IMMR	3,965	$28	12/31/2023
Cutler Group LP		$22	12/31/2023
IMMR	3,155	$22	12/31/2023
Call	1,300	$0	12/31/2023
CWM LLC	2,492	$19	03/31/2024
IMMR	2,492	$19	03/31/2024
FMR LLC	2,710	$19	12/31/2023
IMMR	2,710	$19	12/31/2023
Legal & General Group Plc	2,751	$19	12/31/2023
IMMR	2,751	$19	12/31/2023
Amalgamated Bank	2,731	$19	12/31/2023
IMMR	2,731	$19	12/31/2023
Ameritas Investment Partners Inc.	2,586	$18	12/31/2023
IMMR	2,586	$18	12/31/2023
Larson Financial Group LLC	1,790	$13	12/31/2023
IMMR	1,790	$13	12/31/2023
Quarry LP	1,825	$13	12/31/2023
IMMR	1,825	$13	12/31/2023
Ronald Blue Trust Inc.	1,788	$12	12/31/2023
IMMR	1,788	$12	12/31/2023
Comerica Bank	1,000	$7	12/31/2023
IMMR	1,000	$7	12/31/2023
Spire Wealth Management	1,000	$7	12/31/2023
IMMR	1,000	$7	12/31/2023
TD Waterhouse Canada Inc.	1,000	$7	12/31/2023
IMMR	1,000	$7	12/31/2023
Colonial Trust Co SC	791	$6	12/31/2023
IMMR	791	$6	12/31/2023
Metropolitan Life Insurance Co NY	671	$5	12/31/2023
IMMR	671	$5	12/31/2023
Macroview Investment Management LLC	604	$4	12/31/2023
IMMR	604	$4	12/31/2023
HighMark Wealth Management LLC	364	$3	12/31/2023
IMMR	364	$3	12/31/2023
ORG Partners LLC	407	$3	12/31/2023
IMMR	407	$3	12/31/2023
GAMMA Investing LLC	324	$2	03/31/2024
IMMR	324	$2	03/31/2024
The PNC Financial Services Group Inc.	323	$2	12/31/2023
IMMR	323	$2	12/31/2023
First Horizon Advisors Inc.	248	$2	12/31/2023
IMMR	248	$2	12/31/2023
Stone House Investment Management LLC	96	$1	12/31/2023
IMMR	96	$1	12/31/2023
Covestor Ltd	141	$1	12/31/2023
IMMR	141	$1	12/31/2023
Frazier Financial Advisors LLC	113	$1	12/31/2023
IMMR	113	$1	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
IMMR	0	$0	12/31/2023
Allworth Financial LP	0	$0	12/31/2023
IMMR	0	$0	12/31/2023
Farther Finance Advisors LLC	10	$0	12/31/2023
IMMR	10	$0	12/31/2023
Fairman Group LLC	19	$0	12/31/2023
IMMR	19	$0	12/31/2023
HAP Trading LLC		$-204	12/31/2023
Put	250,000	$219	12/31/2023
Call	48,500	$15	12/31/2023
Caption Management LLC		$-685	12/31/2023
Put	360,000	$2,542	12/31/2023
IMMR	263,078	$1,857	12/31/2023
Susquehanna International Group LLP		$-1,298	12/31/2023
Put	634,500	$4,480	12/31/2023
IMMR	392,911	$2,774	12/31/2023
Call	57,800	$408	12/31/2023
Wolverine Trading LLC		$-1,631	12/31/2023
Put	400,700	$2,829	12/31/2023
IMMR	169,696	$1,198	12/31/2023
Group One Trading L.P.	67,200	$-3,178	12/31/2023
Put	1,272,800	$8,986	12/31/2023
IMMR	755,501	$5,334	12/31/2023
Call	67,200	$474	12/31/2023