Institutional Manager · CIK 0002071468

BIRCHBROOK, INC.

BANGOR, ME · File #028-25635

Latest AUM

$200.6M

Positions

298

Top-10 Concentration

64.0%

Filings

Portfolio Value Over Time

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
ADD	ISHARES TR	464288638	+27,621	+$1.5M	-$84,649
ADD	VANGUARD SCOTTSDALE FDS	92206C706	+13,954	+$836,263	-$58,703
ADD	META PLATFORMS INC	META	+747	+$493,114	-$183,200
ADD	MICROSOFT CORP	MSFT	+945	+$457,039	-$218,355
ADD	APPLE INC	AAPL	+1,566	+$425,738	+$200,480
REDUCE	FEDEX CORP	FDX	-1,033	-$298,429	+$258,591
EXITED	VANGUARD MUN BD FDS	922907746	-5,785	-$289,655	$0
ADD	ISHARES TR	46435G193	+6,840	+$159,951	-$10,997
ADD	ALPHABET INC	GOOG	+445	+$139,661	+$103,151
REDUCE	ALIBABA GROUP HLDG LTD	BBAAY	-939	-$137,639	-$212,608

Sector Allocation

Technology

7.4%$14.8M

Healthcare

2.4%$4.8M

Consumer Discretionary

2.0%$4.1M

1.8%$3.7M

1.5%$3.1M

1.5%$3.0M

1.4%$2.8M

Communication Services

1.2%$2.3M

Utilities

0.1%$193,991

Materials

0.1%$107,358

Real Estate

0.0%$34,429

Filing History

Feb 4, 202613F HOLDINGS REPORTQ/E Dec 2025298 pos · $200.6M
Nov 3, 202513F HOLDINGS REPORTQ/E Sep 2025270 pos · $193.3M
Aug 11, 202513F HOLDINGS REPORTQ/E Jun 2025276 pos · $186.6M
Jun 10, 202513F HOLDINGS REPORTQ/E Jun 2025301 pos · $178.0M
Jun 10, 202513F HOLDINGS REPORTQ/E Jun 2025352 pos · $151.7M
Jun 10, 202513F HOLDINGS REPORTQ/E Jun 2025329 pos · $175.9M
Jun 10, 202513F HOLDINGS REPORTQ/E Jun 2025305 pos · $166.7M
Jun 10, 202513F HOLDINGS REPORTQ/E Jun 2025302 pos · $180.4M
Jun 10, 202513F HOLDINGS REPORTQ/E Jun 2025319 pos · $168.2M

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	VANGUARD SCOTTSDALE FDS	92206C706	601,274	$36.0M	19.59%
2	ISHARES TR	464288638	430,648	$23.2M	12.62%
3	VANGUARD TAX-MANAGED FDS	921943858	198,851	$12.4M	6.75%
4	ISHARES INC	46434G103	139,902	$9.4M	5.11%
5	ISHARES TR	464287507	109,388	$7.2M	3.93%
6	ISHARES TR	464287432	80,282	$7.0M	3.80%
7	ISHARES TR	46429B697	74,187	$7.0M	3.80%
8	SCHWAB STRATEGIC TR	808524201	241,632	$6.5M	3.54%
9	SCHWAB STRATEGIC TR	808524508	159,054	$4.8M	2.60%
10	ISHARES TR	464287804	35,006	$4.2M	2.29%
11	ALPHABET INC	GOOG	12,199	$3.8M	2.08%
12	APPLE INC	AAPL	13,199	$3.6M	1.95%
13	MICROSOFT CORP	MSFT	7,307	$3.5M	1.92%
14	AMAZON COM INC	AMZN	14,619	$3.4M	1.83%
15	IDEXX LABS INC	45168D104	4,629	$3.1M	1.70%
16	JPMORGAN CHASE & CO.	VYLD	9,165	$3.0M	1.61%
17	SCHWAB STRATEGIC TR	808524300	89,639	$2.9M	1.59%
18	INTERNATIONAL BUSINESS MACHS	INTR	7,464	$2.2M	1.20%
19	META PLATFORMS INC	META	3,213	$2.1M	1.15%
20	VANGUARD SCOTTSDALE FDS	92206C102	35,616	$2.1M	1.14%