There is a long list of 279 institutional holders of ASGN 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 ASGN by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ASGN table below, the initial column indicates the name of each top institutional holder of ASGN, with a link to that fund's top holdings. The next columns indicate the amount of ASGN stock held by each of the institutional holders of ASGN, followed by the ASGN 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.	5,692,155	$547,415	12/31/2023
ASGN	5,692,155	$547,415	12/31/2023
Vanguard Group Inc.	4,715,729	$453,512	12/31/2023
ASGN	4,715,729	$453,512	12/31/2023
FMR LLC	3,631,342	$349,226	12/31/2023
ASGN	3,631,342	$349,226	12/31/2023
Bamco Inc. NY	2,227,200	$214,190	12/31/2023
ASGN	2,227,200	$214,190	12/31/2023
State Street Corp	1,730,284	$166,401	12/31/2023
ASGN	1,730,284	$166,401	12/31/2023
Dimensional Fund Advisors LP	1,618,058	$155,611	12/31/2023
ASGN	1,618,058	$155,611	12/31/2023
Invesco Ltd.	1,457,496	$140,167	12/31/2023
ASGN	1,457,496	$140,167	12/31/2023
Macquarie Group Ltd.	1,357,801	$130,580	12/31/2023
ASGN	1,357,801	$130,580	12/31/2023
FIL Ltd	1,090,441	$104,868	12/31/2023
ASGN	1,090,441	$104,868	12/31/2023
Geode Capital Management LLC	1,028,226	$98,896	12/31/2023
ASGN	1,028,226	$98,896	12/31/2023
Boston Partners	970,681	$93,347	12/31/2023
ASGN	970,681	$93,347	12/31/2023
Victory Capital Management Inc.	908,917	$87,411	12/31/2023
ASGN	908,917	$87,411	12/31/2023
T. Rowe Price Investment Management Inc.	889,908	$85,583	12/31/2023
ASGN	889,908	$85,583	12/31/2023
Pathstone Holdings LLC	880,535	$84,681	12/31/2023
ASGN	880,535	$84,681	12/31/2023
Thrivent Financial for Lutherans	828,565	$79,683	12/31/2023
ASGN	828,565	$79,683	12/31/2023
Goldman Sachs Group Inc.	709,863	$68,268	12/31/2023
ASGN	709,863	$68,268	12/31/2023
Schroder Investment Management Group	706,474	$67,942	12/31/2023
ASGN	706,474	$67,942	12/31/2023
Northern Trust Corp	607,990	$58,470	12/31/2023
ASGN	607,990	$58,470	12/31/2023
Reinhart Partners Inc.	548,300	$57,440	03/31/2024
ASGN	548,300	$57,440	03/31/2024
Vaughan Nelson Investment Management L.P.	545,772	$57,175	03/31/2024
ASGN	545,772	$57,175	03/31/2024
Aristotle Capital Boston LLC	593,152	$57,043	12/31/2023
ASGN	593,152	$57,043	12/31/2023
Jennison Associates LLC	585,773	$56,334	12/31/2023
ASGN	585,773	$56,334	12/31/2023
Charles Schwab Investment Management Inc.	549,149	$52,812	12/31/2023
ASGN	549,149	$52,812	12/31/2023
Norges Bank	528,923	$50,867	12/31/2023
ASGN	528,923	$50,867	12/31/2023
Bank of New York Mellon Corp	471,682	$49,413	03/31/2024
ASGN	471,682	$49,413	03/31/2024
JPMorgan Chase & Co.	496,614	$47,759	12/31/2023
ASGN	496,614	$47,759	12/31/2023
Nuveen Asset Management LLC	455,665	$43,821	12/31/2023
ASGN	455,665	$43,821	12/31/2023
Morgan Stanley	441,309	$42,441	12/31/2023
ASGN	441,309	$42,441	12/31/2023
Millennium Management LLC	383,688	$36,899	12/31/2023
ASGN	383,688	$36,899	12/31/2023
Bank of America Corp DE	383,260	$36,858	12/31/2023
ASGN	383,260	$36,858	12/31/2023
AQR Capital Management LLC	376,176	$36,177	12/31/2023
ASGN	376,176	$36,177	12/31/2023
Pictet Asset Management Holding SA	349,560	$33,617	12/31/2023
ASGN	349,560	$33,617	12/31/2023
New South Capital Management Inc.	309,050	$29,721	12/31/2023
ASGN	309,050	$29,721	12/31/2023
Systematic Financial Management LP	237,467	$22,837	12/31/2023
ASGN	237,467	$22,837	12/31/2023
Natixis Advisors L.P.	206,362	$21,619	03/31/2024
ASGN	206,362	$21,619	03/31/2024
Price T Rowe Associates Inc. MD	216,788	$20,849	12/31/2023
ASGN	216,788	$20,849	12/31/2023
Citadel Advisors LLC		$19,562	12/31/2023
ASGN	198,308	$19,071	12/31/2023
Call	9,200	$885	12/31/2023
Put	4,100	$394	12/31/2023
Truist Financial Corp	200,155	$19,249	12/31/2023
ASGN	200,155	$19,249	12/31/2023
Sei Investments Co.	183,917	$17,687	12/31/2023
ASGN	183,917	$17,687	12/31/2023
Peregrine Capital Management LLC	168,079	$17,608	03/31/2024
ASGN	168,079	$17,608	03/31/2024
Rhumbline Advisers	179,040	$17,218	12/31/2023
ASGN	179,040	$17,218	12/31/2023
Principal Financial Group Inc.	176,153	$16,941	12/31/2023
ASGN	176,153	$16,941	12/31/2023
Laurus Investment Counsel Inc.	158,991	$16,656	03/31/2024
ASGN	158,991	$16,656	03/31/2024
Grantham Mayo Van Otterloo & Co. LLC	150,760	$14,499	12/31/2023
ASGN	150,760	$14,499	12/31/2023
North Point Portfolio Managers Corp OH	127,774	$13,386	03/31/2024
ASGN	127,774	$13,386	03/31/2024
Retirement Systems of Alabama	135,550	$13,036	12/31/2023
ASGN	135,550	$13,036	12/31/2023
Glenmede Trust Co. NA	135,401	$13,022	12/31/2023
ASGN	135,401	$13,022	12/31/2023
Algert Global LLC	132,665	$12,758	12/31/2023
ASGN	132,665	$12,758	12/31/2023
Leith Wheeler Investment Counsel Ltd.	131,277	$12,625	12/31/2023
ASGN	131,277	$12,625	12/31/2023
Fort Washington Investment Advisors Inc. OH	127,917	$12,302	03/31/2024
ASGN	127,917	$12,302	03/31/2024