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REI · Ring Energy, Inc. · Holdings

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$1.32 -0.03 (-2.22%) At close · Oct 22
Russell 2000 member Rebalance outlook locked
Market Cap
$351.73M
Shares
260.54M
Volume · Oct 22 3.3M Avg daily vol (3M) 3.43M

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.

Use institutional holdings through the 13F API or MCP → See every holder of REI: 13F, 13D and 13G, insiders and funds →
Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 152
Total Value: $137,010,124
Total Shares: 126,682,631
Showing 1–100 of 157 holdings by value · page 1 of 2

Institutional Ownership Trend

27 quarters

Superinvestors Holding REI

All superinvestors →
Joel Greenblatt $13,679

Holder Concentration

Across 145 13F filers
Top Holder
13.5%
Sep 2023 → Jun 2026 · range 9.1% – 47.2%
of institutional value
Top 5
45.0%
Sep 2023 → Jun 2026 · range 36.2% – 67.3%
of institutional value
Top 10
64.2%
Sep 2023 → Jun 2026 · range 55.7% – 78.5%
of institutional value
HHI
563
Sep 2023 → Jun 2026 · range 420 – 2,371
Broadly held

Who Holds REI

Last 8 quarters through Sep 30, 2026 (filing window open)

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026, the newest closed quarter: 143 filers, like-for-like change +56.3%; actively managed books +39.9%; index-like books +122.3%.

Holder type Share Filers Change
Registered adviser 48.8% 79 +58.0%
Adviser 0.6% 3 -89.3%
Bank 13.3% 10 +44.9%
Insurer 0.1% 1 new
Broker-dealer 14.0% 2 +1294.6%
Benefit plan 0.0% 1 -98.7%
Non-US 1.4% 5 +107.7%
Holding company 12.0% 8 +313.1%
Exempt adviser 0.0% 0 -100.0%
Unknown 9.8% 34 -21.1%

The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.

How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Excluded 2 holders with no observed 2026-06-30 13F.

Conviction and Crowding

143 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
0
0.000% of filers hold it in their top 10
Mar 31, 2026: 1
Holders above 5%
0
median weight 0.000%
Mar 31, 2026: 0
Crowding
27.2%
of shares outstanding, 76th percentile
Mar 31, 2026: 15.2%
Private-fund advisers
18.6%
of shares outstanding
Institutional ownership
58.5%
78.3% of the estimated free float
Top 10 holders
66.2%
of 13F shares, Herfindahl 0.059
Active holders
+39.9%
like-for-like share change of active filers
5% stakes on record
5
2 13D, 3 13G (2 institutional, 1 passive, 0 exempt)
How long holders have held it value-weighted 8.9 quarters
Under 1 year 34.5% 1 to 3 years 31.2% 3 years or more 34.3% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$1.30
estimated per share
Mar 31, 2026: $1.20
Quarter-end price
$1.08
implied by 13F values
Estimated gain or loss
-16.7%
price against the estimated cost
Estimated at a loss
88.2%
of costed 13F value

Estimated cost covers 60.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies REI's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 WDC Western Digital Corp 4
2 SNDK Sandisk Corp 4
3 DELL Dell Technologies Inc. 4
4 IVZ Invesco Ltd. 5
5 GEV GE Vernova Inc. 5
6 NVDA Nvidia Corp 7
7 INTC Intel Corp 5
8 AMZN Amazon Com Inc 7
9 AAPL Apple Inc. 7
10 MSFT Microsoft Corp 7

Shareholder Targets

13F filers that own its peers but not REI, quarter ended Jun 30, 2026

Found through its holder-overlap peers: WDC, SNDK, DELL, IVZ, GEV, NVDA, INTC, AMZN, AAPL, MSFT, TXN, BRK-B, META, BIL, JPM, MU, CVX, UNH, GOOGL, GE. 7,307 filers in all.

# Filer In peers
1 NORGES BANK Non-US, Index-like $347,943,876,626 19 held
2 Capital Research Global Investors Adviser, Diversified active $227,940,689,352 17 held
3 Capital World Investors Adviser, Diversified active $220,512,473,697 16 held
4 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser, Index-like $187,963,313,324 20 held
5 Capital International Investors Adviser, Diversified active $130,217,168,858 17 held
6 WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active $125,809,393,507 20 held
7 Berkshire Hathaway Inc Insurer, Concentrated $117,700,527,192 3 held
8 AMERIPRISE FINANCIAL INC Adviser, Diversified active $98,888,821,918 20 held
9 Fisher Asset Management, LLC Adviser, Diversified active $93,220,846,685 20 held
10 HSBC HOLDINGS PLC Unknown, Index-like $76,388,908,756 20 held

Fund Ownership of REI by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 10.26% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 1.25% 3,257,895
Index ETFs 9.01% 23,484,474
Active ETFs 0.48% 1,256,561
Active funds 2.96% 7,699,737
Unclassified 0.16% 427,162
All registered funds 13.87% 36,125,829
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Holder type: Registered adviser 86 Adviser 3 Bank 10 Insurer 1 Broker-dealer 2 Benefit plan 1 Non-US 5 Holding company 8 Unknown 36
Showing 100 of 157
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
PEAK6 LLC $18,445,732 13.46% 17,079,382
BlackRock, Inc. $13,053,214 9.53% 12,086,312
ADAGE CAPITAL PARTNERS GP, L.L.C. $11,502,000 8.40% 10,650,000
VANGUARD CAPITAL MANAGEMENT LLC $9,595,314 7.00% 8,884,550
TWO SIGMA INVESTMENTS, LP $8,690,808 6.34% 8,047,045
BARCLAYS PLC $7,991,018 5.83% 7,399,092
VANGUARD PORTFOLIO MANAGEMENT LLC $4,985,724 3.64% 4,616,412
GEODE CAPITAL MANAGEMENT, LLC $4,941,461 3.61% 4,575,428
RENAISSANCE TECHNOLOGIES LLC $4,446,456 3.25% 4,117,089
ACADIAN ASSET MANAGEMENT LLC $3,843,540 2.81% 3,558,834
CDC Financial, Inc. $3,822,726 2.79% 3,539,562
UBS Group AG $3,346,469 2.44% 3,098,584
Connor, Clark & Lunn Investment Management Ltd. $3,156,179 2.30% 2,922,388
FIRST TRUST ADVISORS LP $2,930,028 2.14% 2,712,989
STATE STREET CORP $2,709,776 1.98% 2,509,052
CITIGROUP INC $2,354,400 1.72% 2,180,000
BRIDGEWAY CAPITAL MANAGEMENT, LLC $2,340,195 1.71% 2,166,848
GOLDMAN SACHS GROUP INC $1,607,151 1.17% 1,488,104
NORTHERN TRUST CORP $1,605,642 1.17% 1,486,707
Nierenberg Investment Management Company, LLC $1,511,519 1.10% 1,399,555
Empowered Funds, LLC $1,356,726 0.99% 1,256,228
VANGUARD FIDUCIARY TRUST CO $1,233,514 0.90% 1,142,143
De Lisle Partners LLP $1,219,934 0.89% 1,129,569
Bank of New York Mellon Corp $1,210,681 0.88% 1,121,003
PLUSTICK MANAGEMENT LLC $1,080,000 0.79% 1,000,000
SEGALL BRYANT & HAMILL, LLC $1,012,009 0.74% 937,046
MILLENNIUM MANAGEMENT LLC $974,274 0.71% 902,106
VICTORY CAPITAL MANAGEMENT INC $818,564 0.60% 757,930
Alyeska Investment Group, L.P. $771,576 0.56% 714,423
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $607,359 0.44% 562,370
Invesco Ltd. $579,891 0.42% 536,937
SUSQUEHANNA INTERNATIONAL GROUP, LLP $568,879 0.42% 526,740
JANE STREET GROUP, LLC $544,752 0.40% 504,400
AMERICAN CENTURY COMPANIES INC $542,342 0.40% 502,169
RBF Capital, LLC $540,000 0.39% 500,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP $539,136 0.39% 499,200
Nuveen, LLC $491,712 0.36% 455,290
MORGAN STANLEY $443,931 0.32% 411,048
ALGERT GLOBAL LLC $434,342 0.32% 402,169
Concurrent Investment Advisors, LLC $418,748 0.31% 319,655
Quantbot Technologies LP $410,287 0.30% 379,896
Schonfeld Strategic Advisors LLC $351,449 0.26% 325,416
CANADA PENSION PLAN INVESTMENT BOARD $348,840 0.25% 323,000
CITADEL ADVISORS LLC $346,464 0.25% 320,800
WINTON GROUP Ltd $330,799 0.24% 306,296
SPROTT INC. $307,800 0.22% 285,000
CITIGROUP INC $278,318 0.20% 257,703
Sterling Capital Management LLC $245,419 0.18% 187,343
SEI INVESTMENTS CO $212,726 0.16% 196,969
DEUTSCHE BANK AG\ $201,953 0.15% 186,994
WELLS FARGO & COMPANY/MN $187,383 0.14% 173,503
Virtu Financial LLC $179,042 0.13% 165,780
Point72 Asset Management, L.P. $170,344 0.12% 157,726
PRICE T ROWE ASSOCIATES INC /MD/ $169,836 0.12% 157,256
XTX Topco Ltd $167,174 0.12% 154,791
Graham Capital Management, L.P. $166,461 0.12% 154,131
Man Group plc $166,239 0.12% 153,925
RHUMBLINE ADVISERS $158,642 0.12% 146,891
LAZARD ASSET MANAGEMENT LLC $157,615 0.12% 145,940
BANK OF AMERICA CORP /DE/ $150,343 0.11% 139,207
Quadrature Capital Ltd $144,979 0.11% 134,240
Metis Global Partners, LLC $134,685 0.10% 124,709
O'SHAUGHNESSY ASSET MANAGEMENT, LLC $129,740 0.09% 120,130
MetLife Investment Management, LLC $126,344 0.09% 116,986
Vanguard Personalized Indexing Management, LLC $120,690 0.09% 111,750
CITADEL ADVISORS LLC $110,268 0.08% 102,100
INVESTMENT ADVISORY SERVICES INC /TX /ADV $108,000 0.08% 100,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP $104,652 0.08% 96,900
State of Wyoming $100,294 0.07% 92,865
Linscomb Wealth, Inc. $99,653 0.07% 92,272
TWO SIGMA SECURITIES, LLC $98,055 0.07% 90,792
ALLIANCEBERNSTEIN L.P. $96,768 0.07% 89,600
EntryPoint Capital, LLC $96,263 0.07% 89,133
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $95,308 0.07% 88,249
FMR LLC $94,096 0.07% 87,127
JPMORGAN CHASE & CO $93,622 0.07% 86,688
Caitong International Asset Management Co., Ltd $92,032 0.07% 85,215
RITHOLTZ WEALTH MANAGEMENT $86,097 0.06% 79,720
FRANKLIN RESOURCES INC $78,445 0.06% 72,635
Jain Global LLC $69,724 0.05% 64,560
VAN DEN BERG MANAGEMENT I, INC $69,542 0.05% 64,391
PRUDENTIAL FINANCIAL INC $68,698 0.05% 63,610
Amundi $67,359 0.05% 62,370
MANUFACTURERS LIFE INSURANCE COMPANY, THE $64,985 0.05% 60,172
Blue Trust, Inc. $62,259 0.05% 47,526
Police & Firemen's Retirement System of New Jersey $61,045 0.04% 56,524
Cetera Investment Advisers $57,623 0.04% 53,355
LPL Financial LLC $55,173 0.04% 51,087
Vanguard Global Advisers, LLC $54,851 0.04% 50,788
NEW YORK STATE COMMON RETIREMENT FUND $54,756 0.04% 50,700
PANAGORA ASSET MANAGEMENT INC $50,736 0.04% 46,978
Vident Advisory, LLC $48,608 0.04% 45,008
Abel Hall, LLC $47,470 0.03% 36,237
MINDSET WEALTH MANAGEMENT, LLC $45,195 0.03% 34,500
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $43,544 0.03% 33,240
Founders Capital Management $43,230 0.03% 33,000
IMC-Chicago, LLC $40,732 0.03% 37,715
Barry Investment Advisors, LLC $39,300 0.03% 30,000
Royal Fund Management, LLC $39,300 0.03% 30,000
Callahan Advisors, LLC $37,865 0.03% 35,061

Showing the top 100 of 157 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.

Key facts CIK 1384195 CUSIP 76680V108 13F (30d) 20 filings 20 filers Visit website Investor relations