269 institutional investment managers reported PUMP positions in their Form 13F filings for Q2 2026, holding 147,031,797 shares worth $2.1B in total. BlackRock, Inc. reported the largest position.

Are funds buying or selling PUMP?

In Q2 2026, 57 managers opened new PUMP positions, 104 added, 62 trimmed and 42 sold out. Managers that filed in both quarters added a net 32,257,239 shares.

How current is this PUMP institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · PUMP

Who owns PUMP?

Institutional ownership of ProPetro Holding Corp. from Form 13F, Q2 2026

269 institutional managers reported holding ProPetro Holding Corp. (PUMP) in Form 13F filings for Q2 2026, with 147,031,797 shares worth $2.1B. The largest reported holder was BlackRock, Inc. Managers that filed both quarters added a net 32,257,239 shares (+28.3%). 57 opened new positions and 42 sold out.

Funds holding: 269
Value held: $2.1B
New / sold out: 57 / 42
Net shares, same filers: +28.3%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of PUMP

Fund	Value	Share of 13F holdings	Shares	Move
BlackRock, Inc.	$131M	6.2%	9,105,609	Added
Sourcerock Group LLC	$111M	5.2%	7,713,646	Added
Dimensional Fund Advisors LP	$98.1M	4.7%	6,838,598	Added
D. E. Shaw & Co., Inc.	$86.5M	4.1%	6,034,264	Added
Vanguard Capital Management LLC	$73.6M	3.5%	5,133,454	Added
Encompass Capital Advisors LLC	$65.6M	3.1%	4,574,591	New
American Century Companies Inc	$61.9M	2.9%	4,316,013	Added
Cooper Creek Partners Management LLC	$61.7M	2.9%	4,301,575	Added
Valiant Capital Management, L.P.	$60.8M	2.9%	4,242,475	Added
VR Advisory Services Ltd	$58.8M	2.8%	4,097,401	Added
State Street Corp	$50.0M	2.4%	3,488,719	Added
Morgan Stanley	$44.4M	2.1%	3,097,319	Trimmed
Vanguard Portfolio Management LLC	$44.2M	2.1%	3,081,768	Added
Citadel Advisors LLC	$43.9M	2.1%	3,064,445	Added
Millennium Management LLC	$42.7M	2.0%	2,980,656	Added
Philosophy Capital Management LLC	$42.5M	2.0%	2,964,348	Added
Geode Capital Management, LLC	$40.0M	1.9%	2,791,848	Added
Assenagon Asset Management S.A.	$37.4M	1.8%	2,608,110	New
Van Eck Associates Corp	$35.0M	1.7%	2,443,444	Trimmed
Nuveen, LLC	$33.8M	1.6%	2,359,930	Added
Wellington Management Group LLP	$32.8M	1.6%	2,290,361	Added
Two Sigma Investments, LP	$30.0M	1.4%	2,093,342	Added
Charles Schwab Investment Management Inc	$29.9M	1.4%	2,086,479	Trimmed
Situational Awareness LP	$28.1M	1.3%	1,960,382	Added
Fund 1 Investments, LLC	$25.7M	1.2%	1,793,882	Added

Share of 13F holdings is each fund's shares as a share of the 147,031,797 PUMP shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

Encompass Capital Advisors LLC New+$65.6M
Assenagon Asset Management S.A. New+$37.4M
Wellington Management Group LLP Added+$29.5M
Fund 1 Investments, LLC Added+$24.8M
Citadel Advisors LLC Added+$23.5M
VR Advisory Services Ltd Added+$23.4M
HRT Financial LP New+$21.8M
Millennium Management LLC Added+$20.5M
Alyeska Investment Group, L.P. New+$20.3M
Cooper Creek Partners Management LLC Added+$19.1M

Biggest sellers in Q2 2026

Arrowstreet Capital, Limited Partnership Trimmed-$33.3M
Healthcare of Ontario Pension Plan Trust Fund Trimmed-$20.5M
Ameriprise Financial Inc Trimmed-$11.4M
JPMorgan Chase & Co Trimmed-$10.2M
Fulcrum Asset Management LLP Trimmed-$10.2M
Invesco Ltd. Trimmed-$5.9M
Charles Schwab Investment Management Inc Trimmed-$5.8M
Sei Investments Co Trimmed-$5.4M
Prudential Financial Inc Trimmed-$5.1M
Balyasny Asset Management L.P. Sold out-$5.1M

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $673M and sold $211M; 104 added and 62 trimmed.

Schedule 13D and 13G filings on PUMP

Owners of more than 5% must file within days, so these can be newer than the 13F data.

2026-07-10VR Advisory Services Ltd SCHEDULE 13G filed by ProPetro Holding Corp.Schedule 13G

Questions about PUMP ownership

Who owns PUMP stock?: 269 institutional investment managers reported PUMP positions in their Form 13F filings for Q2 2026, holding 147,031,797 shares worth $2.1B in total. BlackRock, Inc. reported the largest position.
Are funds buying or selling PUMP?: In Q2 2026, 57 managers opened new PUMP positions, 104 added, 62 trimmed and 42 sold out. Managers that filed in both quarters added a net 32,257,239 shares.
How current is this PUMP institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to PUMP by CUSIP. Options are left out. PUMP news and filings · PUMP insider trades · Top funds