There is a long list of 98 institutional holders of ALTO 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 ALTO by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ALTO table below, the initial column indicates the name of each top institutional holder of ALTO, with a link to that fund's top holdings. The next columns indicate the amount of ALTO stock held by each of the institutional holders of ALTO, followed by the ALTO 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
Vanguard Group Inc.	3,806,046	$10,124	12/31/2023
ALTO	3,806,046	$10,124	12/31/2023
Hotchkis & Wiley Capital Management LLC	3,340,080	$8,885	12/31/2023
ALTO	3,340,080	$8,885	12/31/2023
Dimensional Fund Advisors LP	2,608,198	$6,938	12/31/2023
ALTO	2,608,198	$6,938	12/31/2023
Charles Schwab Investment Management Inc.	2,494,032	$6,634	12/31/2023
ALTO	2,494,032	$6,634	12/31/2023
Susquehanna International Group LLP		$6,447	12/31/2023
ALTO	1,393,666	$3,707	12/31/2023
Call	1,120,500	$2,981	12/31/2023
Put	90,600	$241	12/31/2023
BlackRock Inc.	2,253,972	$5,996	12/31/2023
ALTO	2,253,972	$5,996	12/31/2023
D. E. Shaw & Co. Inc.	1,354,886	$3,604	12/31/2023
ALTO	1,354,886	$3,604	12/31/2023
HighTower Advisors LLC		$3,417	12/31/2023
ALTO	1,388,127	$3,692	12/31/2023
Put	205,000	$275	12/31/2023
Maven Securities LTD	900,000	$2,394	12/31/2023
ALTO	900,000	$2,394	12/31/2023
Geode Capital Management LLC	867,972	$2,309	12/31/2023
ALTO	867,972	$2,309	12/31/2023
Clear Sky Advisers LLC	778,677	$2,071	12/31/2023
ALTO	778,677	$2,071	12/31/2023
Renaissance Technologies LLC	755,000	$2,008	12/31/2023
ALTO	755,000	$2,008	12/31/2023
Group One Trading L.P.		$1,878	12/31/2023
Call	445,700	$1,186	12/31/2023
ALTO	283,852	$755	12/31/2023
Put	23,700	$63	12/31/2023
Qube Research & Technologies Ltd	691,194	$1,839	12/31/2023
ALTO	691,194	$1,839	12/31/2023
Creative Financial Designs Inc. ADV	806,581	$1,758	03/31/2024
ALTO	806,581	$1,758	03/31/2024
Laurion Capital Management LP	653,457	$1,738	12/31/2023
ALTO	653,457	$1,738	12/31/2023
Citadel Advisors LLC		$1,583	12/31/2023
Call	411,500	$1,095	12/31/2023
ALTO	279,828	$744	12/31/2023
Put	96,200	$256	12/31/2023
Acadian Asset Management LLC	539,392	$1,433	12/31/2023
ALTO	539,392	$1,433	12/31/2023
Invesco Ltd.	499,200	$1,328	12/31/2023
ALTO	499,200	$1,328	12/31/2023
Jane Street Group LLC	496,668	$1,321	12/31/2023
ALTO	496,668	$1,321	12/31/2023
Baird Financial Group Inc.	454,350	$1,209	12/31/2023
ALTO	454,350	$1,209	12/31/2023
Ancora Advisors LLC	418,049	$1,112	12/31/2023
ALTO	418,049	$1,112	12/31/2023
Ameriprise Financial Inc.	386,535	$1,028	12/31/2023
ALTO	386,535	$1,028	12/31/2023
State Street Corp	273,597	$728	12/31/2023
ALTO	273,597	$728	12/31/2023
Man Group plc	262,888	$699	12/31/2023
ALTO	262,888	$699	12/31/2023
Bridgeway Capital Management Inc.	252,000	$670	12/31/2023
ALTO	252,000	$670	12/31/2023
The Manufacturers Life Insurance Company	247,539	$658	12/31/2023
ALTO	247,539	$658	12/31/2023
Goldman Sachs Group Inc.	240,574	$640	12/31/2023
ALTO	240,574	$640	12/31/2023
Morgan Stanley	220,632	$587	12/31/2023
ALTO	220,632	$587	12/31/2023
Jump Financial LLC	210,347	$560	12/31/2023
ALTO	210,347	$560	12/31/2023
Susquehanna Portfolio Strategies LLC	203,676	$542	12/31/2023
ALTO	203,676	$542	12/31/2023
Aufman Associates Inc	192,912	$513	12/31/2023
ALTO	192,912	$513	12/31/2023
Barclays PLC	187,724	$499	12/31/2023
ALTO	187,724	$499	12/31/2023
Northern Trust Corp	184,262	$490	12/31/2023
ALTO	184,262	$490	12/31/2023
Millennium Management LLC	182,096	$484	12/31/2023
ALTO	182,096	$484	12/31/2023
Citigroup Inc.	172,770	$460	12/31/2023
ALTO	172,770	$460	12/31/2023
GTS Securities LLC		$451	12/31/2023
Call	105,200	$280	12/31/2023
ALTO	85,694	$228	12/31/2023
Put	21,600	$57	12/31/2023
Sei Investments Co.	131,770	$351	12/31/2023
ALTO	131,770	$351	12/31/2023
State of Wyoming	120,643	$321	12/31/2023
ALTO	120,643	$321	12/31/2023
Two Sigma Investments LP	114,110	$304	12/31/2023
ALTO	114,110	$304	12/31/2023
Squarepoint Ops LLC		$299	12/31/2023
Call	100,000	$266	12/31/2023
ALTO	12,249	$33	12/31/2023
Engineers Gate Manager LP	99,926	$266	12/31/2023
ALTO	99,926	$266	12/31/2023
Simplex Trading LLC		$260	03/31/2024
ALTO	77,871	$169	03/31/2024
Call	58,200	$126	03/31/2024
Put	16,500	$35	03/31/2024
Boothbay Fund Management LLC	96,077	$256	12/31/2023
ALTO	96,077	$256	12/31/2023
683 Capital Management LLC	90,085	$240	12/31/2023
ALTO	90,085	$240	12/31/2023
Algert Global LLC	85,490	$227	12/31/2023
ALTO	85,490	$227	12/31/2023
American Century Companies Inc.	73,137	$195	12/31/2023
ALTO	73,137	$195	12/31/2023
Bank of America Corp DE	67,228	$179	12/31/2023
ALTO	67,228	$179	12/31/2023
ExodusPoint Capital Management LP	67,100	$178	12/31/2023
ALTO	67,100	$178	12/31/2023
GSA Capital Partners LLP	71,454	$156	03/31/2024
ALTO	71,454	$156	03/31/2024

See All: Funds Holding ALTO
See Details: Top 10 Hedge Funds Holding ALTO
Also See: ALTO Insider Buying
Also See: ALTO Holdings Changes

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