There is a long list of 225 institutional holders of PUMP 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 PUMP by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-PUMP table below, the initial column indicates the name of each top institutional holder of PUMP, with a link to that fund's top holdings. The next columns indicate the amount of PUMP stock held by each of the institutional holders of PUMP, followed by the PUMP 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.	19,062,570	$159,744	12/31/2023
PUMP	19,062,570	$159,744	12/31/2023
Vanguard Group Inc.	11,491,781	$96,301	12/31/2023
PUMP	11,491,781	$96,301	12/31/2023
Dimensional Fund Advisors LP	7,293,490	$61,120	12/31/2023
PUMP	7,293,490	$61,120	12/31/2023
State Street Corp	4,509,929	$37,793	12/31/2023
PUMP	4,509,929	$37,793	12/31/2023
Morgan Stanley	2,681,842	$22,474	12/31/2023
PUMP	2,681,842	$22,474	12/31/2023
Boston Partners	2,137,607	$17,696	12/31/2023
PUMP	2,137,607	$17,696	12/31/2023
Invesco Ltd.	2,029,444	$17,007	12/31/2023
PUMP	2,029,444	$17,007	12/31/2023
Geode Capital Management LLC	1,941,122	$16,268	12/31/2023
PUMP	1,941,122	$16,268	12/31/2023
Towle & Co.	1,844,135	$15,454	12/31/2023
PUMP	1,844,135	$15,454	12/31/2023
American Century Companies Inc.	1,715,847	$14,379	12/31/2023
PUMP	1,715,847	$14,379	12/31/2023
Charles Schwab Investment Management Inc.	1,686,215	$14,130	12/31/2023
PUMP	1,686,215	$14,130	12/31/2023
Fisher Asset Management LLC	1,551,124	$12,998	12/31/2023
PUMP	1,551,124	$12,998	12/31/2023
FMR LLC	1,504,056	$12,604	12/31/2023
PUMP	1,504,056	$12,604	12/31/2023
Encompass Capital Advisors LLC	1,492,400	$12,506	12/31/2023
PUMP	1,492,400	$12,506	12/31/2023
Northern Trust Corp	1,420,887	$11,907	12/31/2023
PUMP	1,420,887	$11,907	12/31/2023
Van ECK Associates Corp	1,417,471	$11,879	12/31/2023
PUMP	1,417,471	$11,879	12/31/2023
Two Sigma Advisers LP	1,185,200	$9,932	12/31/2023
PUMP	1,185,200	$9,932	12/31/2023
Nuveen Asset Management LLC	1,164,755	$9,761	12/31/2023
PUMP	1,164,755	$9,761	12/31/2023
AQR Capital Management LLC	987,911	$8,279	12/31/2023
PUMP	987,911	$8,279	12/31/2023
Bridgeway Capital Management Inc.	909,822	$7,624	12/31/2023
PUMP	909,822	$7,624	12/31/2023
Hotchkis & Wiley Capital Management LLC	880,210	$7,376	12/31/2023
PUMP	880,210	$7,376	12/31/2023
Kennedy Capital Management Inc.	857,236	$7,184	12/31/2023
PUMP	857,236	$7,184	12/31/2023
Bank of New York Mellon Corp	841,225	$7,049	12/31/2023
PUMP	841,225	$7,049	12/31/2023
Two Sigma Investments LP	815,164	$6,831	12/31/2023
PUMP	815,164	$6,831	12/31/2023
Goldman Sachs Group Inc.	804,533	$6,742	12/31/2023
PUMP	804,533	$6,742	12/31/2023
Ameriprise Financial Inc.	753,243	$6,312	12/31/2023
PUMP	753,243	$6,312	12/31/2023
Wellington Management Group LLP	740,554	$6,206	12/31/2023
PUMP	740,554	$6,206	12/31/2023
Cerity Partners LLC	611,662	$5,126	12/31/2023
PUMP	611,662	$5,126	12/31/2023
Balyasny Asset Management LLC	602,579	$5,050	12/31/2023
PUMP	602,579	$5,050	12/31/2023
Sagefield Capital LP	595,536	$4,991	12/31/2023
PUMP	595,536	$4,991	12/31/2023
Hodges Capital Management Inc.	562,127	$4,542	03/31/2024
PUMP	562,127	$4,542	03/31/2024
Royce & Associates LP	479,700	$4,020	12/31/2023
PUMP	479,700	$4,020	12/31/2023
First Eagle Investment Management LLC	475,403	$3,984	12/31/2023
PUMP	475,403	$3,984	12/31/2023
Thrivent Financial for Lutherans	474,547	$3,977	12/31/2023
PUMP	474,547	$3,977	12/31/2023
CastleKnight Management LP	450,600	$3,776	12/31/2023
PUMP	450,600	$3,776	12/31/2023
Principal Financial Group Inc.	443,879	$3,720	12/31/2023
PUMP	443,879	$3,720	12/31/2023
Alyeska Investment Group L.P.	435,433	$3,649	12/31/2023
PUMP	435,433	$3,649	12/31/2023
Empowered Funds LLC	429,822	$3,602	12/31/2023
PUMP	429,822	$3,602	12/31/2023
Stanley Laman Group Ltd.	409,927	$3,312	03/31/2024
PUMP	409,927	$3,312	03/31/2024
JPMorgan Chase & Co.	392,637	$3,290	12/31/2023
PUMP	392,637	$3,290	12/31/2023
First Trust Advisors LP	344,726	$2,889	12/31/2023
PUMP	344,726	$2,889	12/31/2023
SIR Capital Management L.P.	340,304	$2,852	12/31/2023
PUMP	340,304	$2,852	12/31/2023
Bank of America Corp DE	327,870	$2,748	12/31/2023
PUMP	327,870	$2,748	12/31/2023
Rhumbline Advisers	317,341	$2,659	12/31/2023
PUMP	317,341	$2,659	12/31/2023
Brandywine Global Investment Management LLC	310,942	$2,606	12/31/2023
PUMP	310,942	$2,606	12/31/2023
Point72 Asset Management L.P.	296,860	$2,488	12/31/2023
PUMP	296,860	$2,488	12/31/2023
Barclays PLC	280,894	$2,354	12/31/2023
PUMP	280,894	$2,354	12/31/2023
Russell Investments Group Ltd.	280,885	$2,354	12/31/2023
PUMP	280,885	$2,354	12/31/2023
Tudor Investment Corp Et Al	279,646	$2,343	12/31/2023
PUMP	279,646	$2,343	12/31/2023
Prudential Financial Inc.	276,081	$2,314	12/31/2023
PUMP	276,081	$2,314	12/31/2023