Institutional Manager · CIK 0001404780

CASTLEKEEP INVESTMENT ADVISORS LLC

Westport, CT · File #028-25204

Latest AUM

$220.9M

Positions

Top-10 Concentration

51.0%

Filings

Portfolio Value Over Time

2024-12

2025-03

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
NEW	SSGA ACTIVE ETF TR	78467V848	+33,630	+$1.4M	$0
EXITED	TORTOISE SUSTAINABLE & SOCIA	27901F109	-96,371	-$1.1M	$0
ADD	HARRIS OAKMARK ETF TRUST	41456U106	+31,712	+$899,352	+$202,787
NEW	COSTCO WHSL CORP NEW	22160K105	+1,016	+$876,137	$0
ADD	WISDOMTREE TR	WT	+21,710	+$847,124	+$73,648
NEW	PUTNAM ETF TRUST	746729508	+27,393	+$838,226	$0
EXITED	TARGET CORP	87612E106	-8,944	-$802,277	$0
REDUCE	GOLUB CAP BDC INC	38173M102	-42,228	-$573,034	-$45,285
ADD	INVESCO EXCH TRADED FD TR II	IVZ	+19,077	+$400,617	+$7,819
REDUCE	GREAT LAKES DREDGE & DOCK CO	GLDD	-26,171	-$343,364	+$513,618

Sector Allocation

11.3%$24.9M

4.3%$9.5M

4.1%$9.1M

2.8%$6.2M

2.5%$5.5M

1.8%$4.0M

Consumer Discretionary

1.6%$3.4M

Materials

0.4%$921,429

Filing History

Feb 10, 202613F COMBINATION REPORTQ/E Dec 202590 pos · $220.9M
Nov 5, 202513F COMBINATION REPORTQ/E Sep 202587 pos · $213.8M
Aug 5, 202513F COMBINATION REPORTQ/E Jun 202587 pos · $204.4M
May 2, 202513F COMBINATION REPORTQ/E Mar 202585 pos · $194.6M
Feb 21, 202513F COMBINATION REPORTQ/E Dec 202496 pos · $146.5M
Feb 20, 202513F COMBINATION REPORT (Amended)Q/E Dec 202483 pos · $142.8M
Feb 14, 202513F COMBINATION REPORTQ/E Dec 202499 pos · $138.8M
Feb 14, 202513F COMBINATION REPORTQ/E Dec 202493 pos · $129.7M
Feb 14, 202513F COMBINATION REPORTQ/E Dec 2024100 pos · $140.8M
Feb 14, 202513F COMBINATION REPORTQ/E Dec 2024190 pos · $37.56B

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	VANGUARD INTL EQUITY INDEX F	922042874	181,972	$15.2M	7.97%
2	BERKSHIRE HATHAWAY INC DEL	BRK-A	26,876	$13.5M	7.08%
3	SPDR SERIES TRUST	78464A797	205,332	$12.5M	6.53%
4	SPDR SERIES TRUST	78468R523	122,967	$12.2M	6.39%
5	VANGUARD SPECIALIZED FUNDS	921908844	47,101	$10.4M	5.42%
6	INVESCO EXCHANGE TRADED FD T	IVZ	45,730	$8.8M	4.59%
7	TORTOISE CAPITAL SERIES TRUS	890930308	195,234	$6.9M	3.61%
8	ISHARES TR	464287879	55,585	$6.3M	3.31%
9	BERKSHIRE HATHAWAY INC DEL	BRK-A	8	$6.0M	3.16%
10	GREAT LAKES DREDGE & DOCK CO	GLDD	428,358	$5.6M	2.95%
11	BOEING CO	BA-PA	21,100	$4.6M	2.40%
12	GOLUB CAP BDC INC	38173M102	335,161	$4.5M	2.38%
13	HARRIS OAKMARK ETF TRUST	41456U106	160,058	$4.5M	2.38%
14	MIDCAP FINANCIAL INVSTMNT CO	03761U502	384,937	$4.4M	2.31%
15	CITIGROUP INC	C-PR	35,451	$4.1M	2.17%
16	OAKTREE SPECIALTY LENDING CO	OCSL	320,496	$4.1M	2.14%
17	GOLDMAN SACHS GROUP INC	GSCE	4,095	$3.6M	1.89%
18	WISDOMTREE TR	WT	89,902	$3.5M	1.84%
19	J P MORGAN EXCHANGE TRADED F	46641Q654	64,766	$3.3M	1.73%
20	ALPHABET INC	GOOG	9,643	$3.0M	1.58%