PIN OAK INVESTMENT ADVISORS INC — 13F Holdings & Portfolio

CIK 1094584 · latest 13F-HR filed 2026-08-18

PIN OAK INVESTMENT ADVISORS INC manages $140.6M in 13F-reported U.S. long-equity assets across 564 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are KRP (6.00%), AAPL (5.70%), GOOGL (3.69%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 102 new positions and exited 42; 227 existing positions rose in reported value and 105 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$140.6M

Long-equity book

Holdings
564

Distinct positions

Period
2026-06-30

Filed 2026-08-18

Q/Q Activity
+102 / −42 / ↑227 / ↓105

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 34.3%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Apr 1, 2026.

Assets Under Management
$784.8M
Discretionary
$784.8M
Employees
12
Accounts
322
Address
510 BERING DRIVE
STE 100
HOUSTON, TX 77057
Phone
(713) 871-8300
Name Title / Status Ownership Type
ROUSE, JAMES, BARRETT ControlPRESIDENT
since Jan 2005
75% or moreIndividual
ESTES, DANIEL, CHARLESCCO
since Jan 2011
Less than 5%Individual
Ownership & leadership changes · 2 filings with changes since Mar 27, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Apr 1, 2020 filing
  • AddedESTES, DANIEL, CHARLES · CCO · Less than 5%
  • ChangedROUSE, JAMES, BARRETT · title PRESIDENT CCO → PRESIDENT
Mar 24, 2015 filing
  • ChangedROUSE, JAMES, BARRETT · title PRESIDENT AND CHIEF COMPLIANCE OFFICER → PRESIDENT CCO
Mar 27, 2012 filing (earliest on record)
  • ListedROUSE, JAMES, BARRETT · PRESIDENT AND CHIEF COMPLIANCE OFFICER · 75% or more · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

PIN OAK INVESTMENT ADVISORS INC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 Kimbell Royalty Partners LP KRP 49435R102 $8.4M 6.00% 580,303 SH
2 Apple Inc AAPL 037833100 $8.0M 5.70% 27,680 SH
3 Alphabet Inc. Class A GOOGL 02079K305 $5.2M 3.69% 14,523 SH
4 Enterprise Prods Part LP EPD 293792107 $4.7M 3.38% 129,094 SH
5 Energy Transfer Partn LP ET 29273V100 $4.5M 3.20% 235,529 SH
6 TXO Partners LP TXO 87313P103 $4.5M 3.18% 357,507 SH
7 Howard Hughes Holdings Inc HHH 44267T102 $4.3M 3.04% 59,839 SH
8 Mach Natural Resource LP MNR 55445L100 $3.1M 2.18% 242,399 SH
9 Berkshire Hathaway Class B BRK.B 084670702 $2.9M 2.08% 5,833 SH
10 Eog Resources Inc EOG 26875P101 $2.6M 1.88% 20,382 SH
11 Alphabet Inc. Class C GOOG 02079K107 $2.4M 1.73% 6,867 SH
12 Taiwan Semiconductr F Sponsored ADR TSM 874039100 $2.4M 1.68% 4,943 SH
13 SPDR Gold Shares ETF GLD 78463V107 $2.1M 1.49% 5,696 SH
14 SPDR S&P 500 ETF SPY 78462F103 $2.0M 1.43% 2,699 SH
15 Northern Oil And Gas NOG 665531307 $2.0M 1.43% 110,461 SH
16 Goldman Sachs Group GS 38141G104 $2.0M 1.42% 1,978 SH
17 Chevron Corp CVX 166764100 $2.0M 1.42% 12,030 SH
18 Novagold Res Inc F NG 66987E206 $2.0M 1.39% 327,954 SH
19 Palantir Technologies In Class A PLTR 69608A108 $2.0M 1.39% 16,762 SH
20 Microsoft Corp MSFT 594918104 $1.9M 1.39% 5,223 SH
21 Intel Corp INTC 458140100 $1.9M 1.38% 13,892 SH
22 Texas Instruments TXN 882508104 $1.9M 1.34% 6,301 SH
23 Nvidia Corp NVDA 67066G104 $1.8M 1.29% 9,067 SH
24 Johnson & Johnson JNJ 478160104 $1.8M 1.28% 7,063 SH
25 WalMart Inc WMT 931142103 $1.8M 1.28% 15,839 SH
26 Honeywell Intl Inc HON 438516205 $1.7M 1.19% 7,492 SH
27 Plains GP HLDGS PAGP 72651A207 $1.7M 1.19% 68,848 SH
28 Honeywell Aerospace Inc HONA 43849R105 $1.7M 1.18% 7,492 SH
29 iShares Russell 1000 Growth ETF IWF 464287614 $1.4M 1.02% 11,598 SH
30 Bank Of America Corp BAC 060505104 $1.4M 1.00% 24,779 SH
31 Agnico Eagle Mines F AEM 008474108 $1.1M 0.80% 7,240 SH
32 Amazon.Com Inc Forward Split AMZN 023135106 $1.1M 0.76% 4,510 SH
33 Leidos HLDGS Inc LDOS 525327102 $1.0M 0.74% 10,155 SH
34 Analog Devices Inc ADI 032654105 $1.0M 0.71% 2,523 SH
35 Shell PLC F Unsponsored ADR SHEL 780259305 $984.0K 0.70% 12,688 SH
36 JPMorgan Chase & Co JPM 46625H100 $932.0K 0.66% 2,846 SH
37 Strive 500 ETF STXF 02072L680 $924.0K 0.66% 19,135 SH
38 Invsc QQQ Trust SRS 1 ETF QQQ 46090E103 $906.0K 0.64% 1,231 SH
39 Cisco Systems Inc CSCO 17275R102 $871.0K 0.62% 7,413 SH
40 Westrn Asst High Incm Op HIO 95766K109 $848.0K 0.60% 233,058 SH
41 Manhattan Associates Inc MANH 562750109 $843.0K 0.60% 6,054 SH
42 Halliburton Co HLDG HAL 406216101 $839.0K 0.60% 24,718 SH
43 Robinhood MKTS Inc Class Class A HOOD 770700102 $832.0K 0.59% 8,292 SH
44 Blackstone Inc BX 09260D107 $772.0K 0.55% 6,560 SH
45 Berkshire Hathaway Inc Class A BRK.A 084670108 $749.0K 0.53% 1 SH
46 Wells Fargo & Co WFC 949746101 $742.0K 0.53% 8,976 SH
47 Abbvie Inc ABBV 00287Y109 $709.0K 0.50% 2,819 SH
48 Kinder Morgan Inc KMI 49456B101 $662.0K 0.47% 20,710 SH
49 GE Vernova Inc GEV 36828A101 $604.0K 0.43% 514 SH
50 Plains All American P LP PAA 726503105 $601.0K 0.43% 27,017 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-18 $140.6M 564 0001094584-26-000004
2026-06-30 2026-08-11 $137.6M 480 0001094584-26-000003
2026-03-31 2026-05-15 $141.4M 504 0001094584-26-000002
2025-12-31 2026-02-13 $142.6M 501 0001094584-26-000001
2025-09-30 2025-11-17 $140.1M 498 0001094584-25-000005
Filer Information
Address
510 BERING
SUITE 100
HOUSTON, TX 77057
Phone
(713) 871-8300
Filing Manager
PIN OAK INVESTMENT ADVISORS INC
HOUSTON, TX
Signatory
Stewart Brown
Analyst