There is a long list of 74 institutional holders of MAMA 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 MAMA by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MAMA table below, the initial column indicates the name of each top institutional holder of MAMA, with a link to that fund's top holdings. The next columns indicate the amount of MAMA stock held by each of the institutional holders of MAMA, followed by the MAMA 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
Punch & Associates Investment Management Inc.		$344,044	12/31/2023
Call	70,000	$343,700	12/31/2023
MAMA	70,000	$344	12/31/2023
Wasatch Advisors Inc.	3,829,067	$19,145	03/31/2024
MAMA	3,829,067	$19,145	03/31/2024
Vanguard Group Inc.	1,434,444	$7,043	12/31/2023
MAMA	1,434,444	$7,043	12/31/2023
Bard Associates Inc.	1,158,425	$5,688	12/31/2023
MAMA	1,158,425	$5,688	12/31/2023
Archon Capital Management LLC	1,079,111	$5,298	12/31/2023
MAMA	1,079,111	$5,298	12/31/2023
Heartland Advisors Inc.	950,000	$4,664	12/31/2023
MAMA	950,000	$4,664	12/31/2023
Manatuck Hill Partners LLC	830,000	$4,075	12/31/2023
MAMA	830,000	$4,075	12/31/2023
Thompson Siegel & Walmsley LLC	690,274	$3,389	12/31/2023
MAMA	690,274	$3,389	12/31/2023
Uniplan Investment Counsel Inc.	530,038	$2,560	12/31/2023
MAMA	530,038	$2,560	12/31/2023
Renaissance Technologies LLC	439,531	$2,158	12/31/2023
MAMA	439,531	$2,158	12/31/2023
Rice Hall James & Associates LLC	424,214	$2,121	03/31/2024
MAMA	424,214	$2,121	03/31/2024
Apis Capital Advisors LLC	401,000	$1,969	12/31/2023
MAMA	401,000	$1,969	12/31/2023
Geode Capital Management LLC	320,257	$1,573	12/31/2023
MAMA	320,257	$1,573	12/31/2023
Dimensional Fund Advisors LP	299,473	$1,470	12/31/2023
MAMA	299,473	$1,470	12/31/2023
Perritt Capital Management Inc.	278,862	$1,369	12/31/2023
MAMA	278,862	$1,369	12/31/2023
Russell Investments Group Ltd.	277,163	$1,361	12/31/2023
MAMA	277,163	$1,361	12/31/2023
Diamond Hill Capital Management Inc.	256,506	$1,259	12/31/2023
MAMA	256,506	$1,259	12/31/2023
Susquehanna International Group LLP		$1,227	12/31/2023
MAMA	251,900	$1,237	12/31/2023
Put	14,600	$72	12/31/2023
Call	12,600	$62	12/31/2023
EAM Investors LLC	205,845	$1,011	12/31/2023
MAMA	205,845	$1,011	12/31/2023
BlackRock Inc.	201,448	$989	12/31/2023
MAMA	201,448	$989	12/31/2023
Raymond James & Associates	175,500	$878	03/31/2024
MAMA	175,500	$878	03/31/2024
Man Group plc	130,154	$639	12/31/2023
MAMA	130,154	$639	12/31/2023
O Shaughnessy Asset Management LLC	121,830	$598	12/31/2023
MAMA	121,830	$598	12/31/2023
Jane Street Group LLC	120,997	$594	12/31/2023
MAMA	120,997	$594	12/31/2023
Aristides Capital LLC	117,258	$576	12/31/2023
MAMA	117,258	$576	12/31/2023
Navellier & Associates Inc	116,302	$571	12/31/2023
MAMA	116,302	$571	12/31/2023
Ancora Advisors LLC	113,720	$558	12/31/2023
MAMA	113,720	$558	12/31/2023
Acadian Asset Management LLC	113,718	$557	12/31/2023
MAMA	113,718	$557	12/31/2023
State Street Corp	105,850	$520	12/31/2023
MAMA	105,850	$520	12/31/2023
Diversified Investment Strategies LLC	95,000	$475	03/31/2024
MAMA	95,000	$475	03/31/2024
Stifel Financial Corp	87,810	$431	12/31/2023
MAMA	87,810	$431	12/31/2023
683 Capital Management LLC	67,081	$329	12/31/2023
MAMA	67,081	$329	12/31/2023
Jump Financial LLC	65,800	$323	12/31/2023
MAMA	65,800	$323	12/31/2023
Citigroup Inc.	60,117	$295	12/31/2023
MAMA	60,117	$295	12/31/2023
Ritholtz Wealth Management	54,116	$271	03/31/2024
MAMA	54,116	$271	03/31/2024
Northern Trust Corp	54,447	$267	12/31/2023
MAMA	54,447	$267	12/31/2023
Qube Research & Technologies Ltd	50,326	$247	12/31/2023
MAMA	50,326	$247	12/31/2023
Pinnacle Holdings LLC	48,000	$236	12/31/2023
MAMA	48,000	$236	12/31/2023
Squarepoint Ops LLC	44,412	$218	12/31/2023
MAMA	44,412	$218	12/31/2023
National Asset Management Inc.	39,000	$191	12/31/2023
MAMA	39,000	$191	12/31/2023
Advisor Group Holdings Inc.	38,600	$190	12/31/2023
MAMA	38,600	$190	12/31/2023
Quadrature Capital Ltd	36,971	$182	12/31/2023
MAMA	36,971	$182	12/31/2023
Barclays PLC	34,369	$169	12/31/2023
MAMA	34,369	$169	12/31/2023
Alpha Cubed Investments LLC	32,771	$164	03/31/2024
MAMA	32,771	$164	03/31/2024
Bank of New York Mellon Corp	28,638	$143	03/31/2024
MAMA	28,638	$143	03/31/2024
MYDA Advisors LLC	28,000	$137	12/31/2023
MAMA	28,000	$137	12/31/2023
JPMorgan Chase & Co.	26,226	$129	12/31/2023
MAMA	26,226	$129	12/31/2023
Millennium Management LLC	25,719	$126	12/31/2023
MAMA	25,719	$126	12/31/2023
Two Sigma Investments LP	25,217	$124	12/31/2023
MAMA	25,217	$124	12/31/2023
Balyasny Asset Management LLC	25,194	$124	12/31/2023
MAMA	25,194	$124	12/31/2023