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INR

Infinity Natural Resources, Inc.

Company with tickers: INR

CIK
2029118
CUSIP
456941103
Shares Outstanding
18,751,607
13F Activity (30d)
109 filings 104 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 134
Total Value: $295,890,999
Total Shares: 16,802,447
Showing 1–100 of 134 holdings by value · page 1 of 2

Institutional Ownership Trend

5 quarters

Holder Concentration

Across 134 13F filers · Δ vs Dec 31, 2025
Top Holder
12.7%
Mar 2025 → Mar 2026 · range 7.6% – 12.7%
−0.0 pts
Top 5
45.3%
Mar 2025 → Mar 2026 · range 32.1% – 45.4%
−0.0 pts
Top 10
61.4%
Mar 2025 → Mar 2026 · range 54.5% – 63.5%
−1.4 pts
HHI
554
Mar 2025 → Mar 2026 · range 380 – 554
Broadly held −0

Quarterly Activity

vs Dec 31, 2025
New
33
Increased
52
Decreased
29
Sold Out
15
Unchanged
20
Holder count: +18
Institutional value: +26.1%
Shares held: +5.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 134
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Holder Value (USD) % of 13F Shares Open