There is a long list of 134 institutional holders of ASTS 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 ASTS by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ASTS table below, the initial column indicates the name of each top institutional holder of ASTS, with a link to that fund's top holdings. The next columns indicate the amount of ASTS stock held by each of the institutional holders of ASTS, followed by the ASTS 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.	5,658,123	$34,118	12/31/2023
ASTS	5,658,123	$34,118	12/31/2023
Vanguard Group Inc.	4,446,229	$26,811	12/31/2023
ASTS	4,446,229	$26,811	12/31/2023
Broad Run Investment Management LLC	3,962,853	$23,896	12/31/2023
ASTS	3,962,853	$23,896	12/31/2023
Susquehanna International Group LLP		$15,182	12/31/2023
ASTS	2,306,525	$13,908	12/31/2023
Call	466,900	$2,815	12/31/2023
Put	255,600	$1,541	12/31/2023
Janus Henderson Group PLC	2,403,800	$14,495	12/31/2023
ASTS	2,403,800	$14,495	12/31/2023
Group One Trading L.P.		$11,227	12/31/2023
Call	1,251,500	$7,547	12/31/2023
ASTS	749,245	$4,518	12/31/2023
Put	139,000	$838	12/31/2023
Geode Capital Management LLC	1,846,981	$11,139	12/31/2023
ASTS	1,846,981	$11,139	12/31/2023
State Street Corp	1,771,206	$10,680	12/31/2023
ASTS	1,771,206	$10,680	12/31/2023
Morgan Stanley	1,669,391	$10,066	12/31/2023
ASTS	1,669,391	$10,066	12/31/2023
Skaana Management L.P.		$6,782	12/31/2023
Call	1,014,100	$6,115	12/31/2023
ASTS	112,800	$680	12/31/2023
Put	2,100	$13	12/31/2023
Hudson Bay Capital Management LP	755,384	$4,555	12/31/2023
ASTS	755,384	$4,555	12/31/2023
Once Capital Management LLC	755,100	$4,553	12/31/2023
ASTS	755,100	$4,553	12/31/2023
Northern Trust Corp	720,043	$4,342	12/31/2023
ASTS	720,043	$4,342	12/31/2023
Citadel Advisors LLC		$4,001	12/31/2023
Call	628,700	$3,791	12/31/2023
ASTS	263,837	$1,591	12/31/2023
Put	229,100	$1,381	12/31/2023
GTS Securities LLC		$2,444	12/31/2023
Call	273,500	$1,649	12/31/2023
ASTS	167,846	$1,012	12/31/2023
Put	36,000	$217	12/31/2023
Jane Street Group LLC		$2,388	12/31/2023
Call	267,100	$1,611	12/31/2023
ASTS	170,267	$1,027	12/31/2023
Put	41,500	$250	12/31/2023
Simplex Trading LLC		$1,934	12/31/2023
Call	253,300	$1,527	12/31/2023
ASTS	174,540	$1,052	12/31/2023
Put	107,100	$645	12/31/2023
LA Financiere DE L Echiquier	297,500	$1,794	12/31/2023
ASTS	297,500	$1,794	12/31/2023
Bank of New York Mellon Corp	280,623	$1,692	12/31/2023
ASTS	280,623	$1,692	12/31/2023
American Financial Group Inc.	272,727	$1,645	12/31/2023
ASTS	272,727	$1,645	12/31/2023
Nuveen Asset Management LLC	260,192	$1,569	12/31/2023
ASTS	260,192	$1,569	12/31/2023
Charles Schwab Investment Management Inc.	235,236	$1,418	12/31/2023
ASTS	235,236	$1,418	12/31/2023
Zacks Investment Management	221,910	$1,338	12/31/2023
ASTS	221,910	$1,338	12/31/2023
Stifel Financial Corp	205,131	$1,237	12/31/2023
ASTS	205,131	$1,237	12/31/2023
Penserra Capital Management LLC	202,103	$1,218	12/31/2023
ASTS	202,103	$1,218	12/31/2023
DNB Asset Management AS	382,151	$1,108	03/31/2024
ASTS	382,151	$1,108	03/31/2024
Goldman Sachs Group Inc.	170,893	$1,030	12/31/2023
ASTS	170,893	$1,030	12/31/2023
The PNC Financial Services Group Inc.	163,296	$985	12/31/2023
ASTS	163,296	$985	12/31/2023
Wolverine Trading LLC		$789	12/31/2023
Call	160,200	$966	12/31/2023
Put	61,700	$372	12/31/2023
ASTS	32,351	$195	12/31/2023
IHT Wealth Management LLC	121,107	$730	12/31/2023
ASTS	121,107	$730	12/31/2023
Barclays PLC	110,411	$666	12/31/2023
ASTS	110,411	$666	12/31/2023
Rhumbline Advisers	96,183	$580	12/31/2023
ASTS	96,183	$580	12/31/2023
UBS Group AG	92,617	$558	12/31/2023
ASTS	92,617	$558	12/31/2023
D. E. Shaw & Co. Inc.		$548	12/31/2023
Call	80,000	$482	12/31/2023
ASTS	11,023	$66	12/31/2023
Kestra Advisory Services LLC	86,855	$524	12/31/2023
ASTS	86,855	$524	12/31/2023
Bank of America Corp DE		$516	12/31/2023
ASTS	86,646	$522	12/31/2023
Put	1,000	$6	12/31/2023
Walleye Capital LLC		$488	12/31/2023
ASTS	105,838	$638	12/31/2023
Put	53,900	$325	12/31/2023
Call	29,100	$175	12/31/2023
JPMorgan Chase & Co.	79,935	$482	12/31/2023
ASTS	79,935	$482	12/31/2023
Accordant Advisory Group Inc	159,677	$463	03/31/2024
ASTS	159,677	$463	03/31/2024
Vontobel Holding Ltd.	69,230	$417	12/31/2023
ASTS	69,230	$417	12/31/2023
Advisor Group Holdings Inc.	68,635	$414	12/31/2023
ASTS	68,635	$414	12/31/2023
Vident Advisory LLC	66,423	$401	12/31/2023
ASTS	66,423	$401	12/31/2023
Two Sigma Investments LP	61,550	$371	12/31/2023
ASTS	61,550	$371	12/31/2023
Schonfeld Strategic Advisors LLC		$362	12/31/2023
Call	50,000	$302	12/31/2023
ASTS	10,000	$60	12/31/2023
Salvus Wealth Management LLC	112,519	$326	03/31/2024
ASTS	112,519	$326	03/31/2024
Invesco Ltd.	52,541	$317	12/31/2023
ASTS	52,541	$317	12/31/2023
Deutsche Bank AG	44,821	$270	12/31/2023
ASTS	44,821	$270	12/31/2023
AtonRa Partners	44,642	$269	12/31/2023
ASTS	44,642	$269	12/31/2023
MetLife Investment Management LLC	44,388	$268	12/31/2023
ASTS	44,388	$268	12/31/2023
Virtu Financial LLC	42,894	$259	12/31/2023
ASTS	42,894	$259	12/31/2023