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NOG · Northern Oil & Gas, Inc.

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Market Cap
$2.76B
Shares
106.55M

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: 344
Total Value: $2,062,590,494
Total Shares: 113,643,057
Showing 1–100 of 358 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 344 13F filers · Δ vs Mar 31, 2026
Top Holder
14.1%
Sep 2023 → Jun 2026 · range 11.8% – 14.1%
+0.7 pts
Top 5
39.2%
Sep 2023 → Jun 2026 · range 36.9% – 43.5%
+2.3 pts
Top 10
55.1%
Sep 2023 → Jun 2026 · range 48.6% – 58.0%
−0.6 pts
HHI
447
Sep 2023 → Jun 2026 · range 400 – 499
Broadly held+21

Quarterly Activity

vs Mar 31, 2026
New
57
Increased
128
Decreased
113
Sold Out
77
Unchanged
46
Holder count: -20
Institutional value: -39.8%
Shares held: -3.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 358
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1104485 CUSIP 665531307 13F (30d) 220 filings 219 filers Visit website Investor relations