Security Snapshot

INFINITY NATURAL RESOURCES, INC. - Class A common stock, par value $0.01 per share (INR) Institutional Ownership

CUSIP: 456941103

13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

133

Shares (Excl. Options)

16,802,401

Price

$17.61

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+1,532,368
Value change
+$28,662,094
Number of holders
133
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
18,796,360
SEC-reported price per share
$14.79
Insider filing price
$14.79
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • INR - INFINITY NATURAL RESOURCES, INC. - Class A common stock, par value $0.01 per share is tracked under CUSIP 456941103.
  • 133 institutions reported positions in Q1 2026.
  • 12 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 115 to 133 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $234,797,210 to $295,930,335.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 133 institutions filings for Q1 2026.

Open SEC evidence

Security key

456941103

Latest holder period

Q1 2026

13F holders

133

13D/G owners

12

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
12
Security
INR
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PEI INR Holdings, L.P. 66% $463,182,554 28,894,732 PEI INR Holdings, L.P. 30 Jan 2025
INR (II) Investments, LLC 41% $206,732,118 12,856,475 INR (II) Investments, LLC 23 Feb 2026
NGP XI US Holdings, L.P. 39% $154,391,999 9,631,441 NGP XI US Holdings, L.P. 30 Jan 2025
Etineles Holdings V, LLC 16% $59,636,765 3,508,045 Etineles Holdings V, LLC 23 Feb 2026
CHASE OIL CORP 11% $30,281,210 2,055,709 Chase Oil Corporation 20 Jan 2026
FRANKLIN RESOURCES INC 10% +21% $31,596,681 +$9,758,961 1,879,636 +45% Franklin Resources, Inc. 30 Apr 2026
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 12% +46% $27,031,157 +$9,187,289 1,834,586 +51% American Century Investment Management, Inc. 31 Dec 2025
BlackRock, Inc. 7.4% +17% $20,722,675 +$2,847,037 1,131,762 +16% BlackRock, Inc. 30 Jun 2025
VANGUARD GROUP INC 5.6% $15,745,582 859,935 The Vanguard Group 30 Jun 2025
CIBC Private Wealth Group LLC 4.6% $10,540,443 715,562 CIBC Private Wealth Group LLC 05 Nov 2025
Jain Global LLC 3% -43% $6,845,670 -$4,469,879 450,373 -40% Jain Global LLC 30 Jun 2025
Webs Creek Capital Management LP 2% -77% $4,371,675 -$11,223,110 314,509 -72% Webs Creek Capital Management LP 31 Dec 2025

As of 31 Mar 2026, 133 institutional investors reported holding 16,802,401 shares of INFINITY NATURAL RESOURCES, INC. - Class A common stock, par value $0.01 per share (INR). This represents 89% of the company’s total 18,796,360 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
75%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
WESTWOOD HOLDINGS GROUP INC 11% 2,131,672 +5.1% 0.27% $37,538,744
AMERICAN CENTURY COMPANIES INC 9.9% 1,868,826 +1.9% 0.02% $32,910,026
FRANKLIN RESOURCES INC 8.8% 1,662,404 +28% 0.01% $29,274,938
BlackRock, Inc. 6.7% 1,253,678 +4.4% 0% $22,077,270
SILVERCREST ASSET MANAGEMENT GROUP LLC 3.7% 699,968 -9.5% 0.09% $12,326,436
VANGUARD CAPITAL MANAGEMENT LLC 3.6% 675,915 0% 0% $11,902,863
CIBC Bancorp USA Inc. 3.4% 634,788 0.02% $11,178,617
Yaupon Capital Management LP 2.9% 544,208 +16% 0.47% $9,583,503
AMERIPRISE FINANCIAL INC 2.5% 473,903 +1.1% 0% $8,345,432
GEODE CAPITAL MANAGEMENT, LLC 2% 367,022 +5.8% 0% $6,465,151
STATE STREET CORP 1.8% 347,028 +1.1% 0% $6,111,163
RENAISSANCE TECHNOLOGIES LLC 1.8% 337,100 +285% 0.01% $5,936,331
MARSHALL WACE, LLP 1.8% 336,456 +216% 0.01% $5,924,991
MORGAN STANLEY 1.8% 330,942 +29% 0% $5,827,888
BANK OF AMERICA CORP /DE/ 1.7% 325,748 +104% 0% $5,736,422
UBS Group AG 1.7% 321,972 +36% 0% $5,669,927
Russell Investments Group, Ltd. 1.5% 282,372 +14% 0.01% $4,972,582
SEI INVESTMENTS CO 1.5% 275,422 +154% 0% $4,850,175
CI INVESTMENTS INC. 1.5% 275,132 +3.3% 0.02% $4,845,075
BNP PARIBAS FINANCIAL MARKETS 1.3% 249,422 0% 0% $4,392,321
1492 Capital Management LLC 0.92% 173,291 -33% 1.2% $3,051,655
RR Advisors, LLC 0.88% 165,986 0% 0.81% $2,923,013
CITADEL ADVISORS LLC 0.86% 162,458 +54% 0% $2,860,885
Walleye Capital LLC 0.78% 146,557 +74% 0.02% $2,580,869
AQR CAPITAL MANAGEMENT LLC 0.76% 142,806 +28% 0% $2,514,813

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 16,802,401 $295,930,335 +$28,662,094 $17.61 133
2025 Q4 15,933,699 $234,797,210 +$1,615,802 $14.73 115
2025 Q3 15,920,947 $208,723,964 -$6,523,610 $13.11 97
2025 Q2 16,058,196 $294,031,457 +$19,708,459 $18.31 97
2025 Q1 14,809,157 $275,910,325 +$275,592,456 $18.75 94
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