CASTLEKEEP INVESTMENT ADVISORS LLC — 13F Holdings & Portfolio

CIK 1404780 · latest 13F-HR filed 2026-08-14

CASTLEKEEP INVESTMENT ADVISORS LLC manages $199.6M in 13F-reported U.S. long-equity assets across 76 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VGK (10.22%), BRK.B (8.27%), KBE (7.24%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 11 new positions, exited 1, added to 27, and trimmed 18.

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.

Filer Information
Address
257 RIVERSIDE AVENUE
2ND FLOOR
WESTPORT, CT 06880-4822
Phone
(203) 682-7200
Filing Manager
CASTLEKEEP INVESTMENT ADVISORS LLC
WESTPORT, CT
Signatory
Charles W. K. Haberstroh
President and CEO
Loading holdings…
AUM

$199.6M

Long-equity book

Holdings

76

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+11 / −1 / ↑27 / ↓18

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • VANGUARD INTL EQUITY INDEX F$5.0M +32.1%
  • MICROSOFT CORP$3.3M +247.5%
  • BERKSHIRE HATHAWAY INC DEL$2.5M +18.0%
  • SSGA ACTIVE ETF TR$2.1M +76.5%
  • SPDR SERIES TRUST$2.0M +15.9%
Show all 27 →

Top Trims

  • SPDR SERIES TRUST-$6.6M -53.1%
  • ALPHABET INC-$2.5M -90.1%
  • OAKTREE SPECIALTY LENDING-$344.3K -9.1%
  • MIDCAP FINANCIAL INVSTMNT CO-$273.2K -6.1%
  • INVESCO EXCH TRADED FD TR II-$241.1K -10.3%
Show all 18 →

New Positions

  • EXXONMOBIL HOLDINGS CORP$880.9K
  • ISHARES TR$217.3K
  • ISHARES INC$199.0K
  • ISHARES TR$156.4K
  • ISHARES TR$132.2K
Show all 11 →

Exited Positions

  • EXXON MOBIL CORP$1.2M
Show all 1 →
All Holdings

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 VANGUARD INTL EQUITY INDEX F VGK 922042874 $20.4M 10.22% 230,380 SH
2 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $16.5M 8.27% 32,987 SH
3 SPDR SERIES TRUST KBE 78464A797 $14.5M 7.24% 211,894 SH
4 VANGUARD SPECIALIZED FUNDS VIG 921908844 $12.2M 6.12% 51,673 SH
5 INVESCO EXCHANGE TRADED FD T RSP 46137V357 $9.7M 4.88% 45,823 SH
6 ISHARES TR IJS 464287879 $9.3M 4.64% 67,838 SH
7 TORTOISE CAPITAL SERIES TRUS TPYP 890930308 $8.9M 4.43% 211,148 SH
8 HARRIS OAKMARK ETF TRUST OAKM 41456U106 $6.4M 3.18% 225,564 SH
9 BERKSHIRE HATHAWAY INC DEL BRK.A 084670108 $6.0M 3.00% 8 SH
10 SPDR SERIES TRUST BILS 78468R523 $5.8M 2.90% 58,289 SH
11 WISDOMTREE TR XSOE 97717X578 $5.0M 2.52% 102,226 SH
12 CITIGROUP INC C 172967424 $5.0M 2.49% 35,579 SH
13 SSGA ACTIVE ETF TR TOTL 78467V848 $4.9M 2.45% 123,744 SH
14 BOEING CO BA 097023105 $4.8M 2.40% 22,103 SH
15 GOLUB CAP BDC INC GBDC 38173M102 $4.7M 2.36% 366,121 SH
16 MICROSOFT CORP MSFT 594918104 $4.6M 2.33% 12,454 SH
17 GOLDMAN SACHS GROUP INC GS 38141G104 $4.2M 2.10% 4,137 SH
18 MIDCAP FINANCIAL INVSTMNT CO MFIC 03761U502 $4.2M 2.09% 414,657 SH
19 OAKTREE SPECIALTY LENDING OCSL 67401P405 $3.5M 1.73% 289,711 SH
20 VANGUARD SCOTTSDALE FDS VONG 92206C680 $2.7M 1.35% 21,126 SH
21 VANECK ETF TRUST PFXF 92189F429 $2.4M 1.22% 136,655 SH
22 J P MORGAN EXCHANGE TRADED F JMST 46641Q654 $2.3M 1.17% 45,617 SH
23 DISNEY WALT CO DIS 254687106 $2.1M 1.05% 21,806 SH
24 INVESCO EXCH TRADED FD TR II BKLN 46138G508 $2.1M 1.05% 102,771 SH
25 ISHARES INC EWJ 46434G822 $2.0M 1.02% 21,822 SH
26 ISHARES TR IEUS 464288497 $1.3M 0.65% 18,886 SH
27 INTERNATIONAL BUSINESS MACHS IBM 459200101 $1.3M 0.63% 4,472 SH
28 ELLINGTON FINANCIAL INC EFC 28852N109 $1.2M 0.61% 88,884 SH
29 JPMORGAN CHASE & CO JPM 46625H100 $1.2M 0.60% 3,676 SH
30 CARDINAL HEALTH INC CAH 14149Y108 $1.2M 0.59% 4,954 SH
31 UNION PAC CORP UNP 907818108 $1.2M 0.58% 4,283 SH
32 UNITED PARCEL SVCS INC UPS 911312106 $1.1M 0.57% 10,493 SH
33 DEERE & CO DE 244199105 $1.1M 0.56% 1,765 SH
34 ISHARES INC EWY 464286772 $1.1M 0.56% 5,525 SH
35 JOHNSON & JOHNSON JNJ 478160104 $1.1M 0.55% 4,313 SH
36 LINDE PLC LIN G54950103 $1.1M 0.55% 2,102 SH
37 COCA COLA CO KO 191216100 $1.1M 0.54% 13,292 SH
38 HOME DEPOT INC HD 437076102 $1.1M 0.54% 3,036 SH
39 NOVARTIS AG NVS 66987V109 $1.1M 0.53% 6,792 SH
40 COLGATE PALMOLIVE CO CL 194162103 $1.1M 0.53% 11,496 SH
41 CHUBB LIMITED CB H1467J104 $1.0M 0.53% 3,078 SH
42 PROCTER & GAMBLE CO PG 742718109 $1.0M 0.51% 6,898 SH
43 GENERAL DYNAMICS CORP GD 369550108 $1.0M 0.51% 2,851 SH
44 DANAHER CORP DEL DHR 235851102 $1.0M 0.50% 5,268 SH
45 COSTCO WHOLESALE CORPORATION COST 22160K105 $966.3K 0.48% 1,033 SH
46 RTX CORPORATION RTX 75513E101 $953.2K 0.48% 5,024 SH
47 WALMART INC WMT 931142103 $943.1K 0.47% 8,327 SH
48 WISDOMTREE TR CXSE 97717X719 $939.2K 0.47% 24,155 SH
49 MEDTRONIC PLC MDT G5960L103 $925.8K 0.46% 11,834 SH
50 PEPSICO INC PEP 713448108 $887.5K 0.44% 6,555 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $199.6M 76 0001398344-26-014675
2026-03-31 2026-05-11 $184.4M 66 0002085853-26-000582
2025-12-31 2026-02-10 $220.9M 90 0002085853-26-000233
2025-09-30 2025-11-05 $213.8M 87 0002085853-25-000231