13F Insight
DOSSIER · 13F Holders · Q1 2026Energy · Oil & Gas Field Services, NECMost-boughtAI cap-ex
PUMP

PROPETRO HLDG CORP

262 institutions still hold PROPETRO HLDG CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74347M108·Oil & Gas Field Services, NEC·262 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.6%
vs prior quarter
13F value held
$948M
55.0% inst. owned
of float
Holders
262
-122 QoQ
filers reporting
Activity
+41 / −48
+827 added · −729 reduced
this quarter
Concentration
13.03%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

262 institutions reported PUMP in Q1 2026. BlackRock, Inc. leads at 13.0% of the visible book. -122 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$124M8.6M0.00%Q1 202602
Sourcerock Group LLC
CIK 0001822531
$104M7.2M4.21%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$93M6.5M0.02%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$63M4.4M0.00%Q1 202605
Valiant Capital Management, L.P.
CIK 0001452689
$58M4.0M3.35%Q1 202606
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$55M3.8M0.03%Q1 202607
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$50M3.4M0.03%Q1 202608
MORGAN STANLEY
CIK 0000895421
$46M3.2M0.00%Q1 202609
STATE STREET CORP
CIK 0000093751
$44M3.1M0.00%Q1 202610
Vanguard Portfolio Management
CIK 0002100121
$39M2.7M0.00%Q1 202611
D. E. Shaw & Co., Inc.
CIK 0001009207
$36M3.8M0.02%Q4 202512
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$36M2.5M0.01%Q1 202613
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$34M2.3M0.00%Q1 202614
Philosophy Capital Management LLC
CIK 0001869199
$33M2.3M2.02%Q1 202615
Alta Fundamental Advisers LLC
CIK 0001641604
$26M1.8M9.63%Q1 202616
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$24M1.7M0.04%Q1 202617
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$22M1.6M0.01%Q1 202618
Nuveen, LLC
CIK 0001871926
$22M1.5M0.01%Q1 202619
Fisher Asset Management, LLC
CIK 0000850529
$22M1.5M0.01%Q1 202620
JPMORGAN CHASE & CO
CIK 0000019617
$18M1.2M0.00%Q1 2026
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