OSTFX Mutual Fund

NAV$21.79

AUM$142M

TER0.94%

Holdings39

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OSTFX Mutual Fund

NAV$21.79

Osterweis Fund Investor Class

AUM$142M

TER0.94%

Holdings39

See how much of OSTFX you already own

Just $25 once·$99/mo·Download sample

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 39 of 39 holdings · as of Sep 30, 2026

OSTFX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	GOOG	Alphabet Inc. CComm. Services · Interactive Media	8.07%	8.1%	33,536	$11.43M	Comm. Services	Interactive Media
2	MSFT	Microsoft CorpInfo Tech · Software	7.30%	15.4%	20,155	$10.34M	Info Tech	Software
Sector and industry · Pro
3	AAPL	Apple Inc	5.36%	20.7%	22,813	$7.60M
4	AMZN	Amazon.com Inc	4.46%	25.2%	25,352	$6.32M
5	NVDA	Nvidia Corp	4.22%	29.4%	26,148	$5.97M
6	ADI	Analog Devices	3.83%	33.2%	13,664	$5.42M
7	AVGO	Broadcom Inc	3.50%	36.7%	14,129	$4.96M
8	JPM	JPMorgan Chase	3.27%	40.0%	13,983	$4.63M
9	AZO	Autozone Inc	3.23%	43.2%	1,618	$4.58M
10	AMAT	Applied Material	3.04%	46.3%	8,432	$4.31M
11	V	Visa Inc Class A	3.02%	49.3%	11,909	$4.28M
12	—	Waste Connections Inc Common Stock Cad 0	2.88%	52.2%	26,490	$4.08M
13	DHR	Danaher Corp	2.56%	54.7%	16,374	$3.63M
14	SNPS	Synopsys	2.38%	57.1%	7,744	$3.37M
15	CMPGY	Compass Group Plc Spon Adr	2.26%	59.4%	109,006	$3.20M
16	ABBV	AbbVie Inc.	2.16%	61.5%	11,716	$3.06M
17	ICE	InterContinental Hotels Group PLC Ord Gbp0.208521303	2.15%	63.7%	20,020	$3.04M
18	BA	Boeing Co	2.12%	65.8%	16,126	$3.00M
19	LLY	Eli Lilly & Co	2.01%	67.8%	2,455	$2.84M
20	CRH	Crh Plc -	2.00%	69.8%	34,265	$2.84M
21	DE	Deere & Co Sedol 2261203	1.91%	71.7%	4,021	$2.70M
22	Debt	Federated U.S. Treasury Cash Reserves Fund Institutional Shares	1.91%	73.6%	2,706,122	$2.71M
23	PGR	Progressive Corp	1.86%	75.5%	12,726	$2.64M
24	—	Canadian Pac Kans City Ltd Npv	1.85%	77.3%	30,725	$2.61M
25	CPAY	Corpay Inc	1.84%	79.2%	6,715	$2.61M
26	FERG	Ferguson Enterprises	1.83%	81.0%	11,656	$2.59M
27	USFD	US Foods Holding Corp	1.81%	82.8%	27,800	$2.56M
28	NVR	NVR Inc.	1.76%	84.6%	405	$2.49M
29	TRNO	Terreno Realty Corp	1.76%	86.4%	38,605	$2.49M
30	BSX	Boston Scientific Corp.	1.75%	88.1%	56,890	$2.48M
31	EADSY	Airbus Se Unsponsored Adr	1.68%	89.8%	44,440	$2.38M
32	AME	Ametek Inc	1.57%	91.4%	8,994	$2.23M
33	AJG	Arthur J Gallagher & Co.	1.55%	92.9%	9,655	$2.20M
34	SLB	Schlumberger Nv.	1.26%	94.2%	36,775	$1.79M
35	MU	Micron Technology, Inc.	1.25%	95.4%	1,664	$1.77M
36	APD	Air Products & Chemicals Inc.	1.22%	96.6%	6,194	$1.72M
37	LIN	Linde Plc Ordinary Shares	1.20%	97.8%	3,586	$1.70M
38	KEYS	Keysight Technologies Inc.	1.08%	98.9%	4,213	$1.53M
39	—	AstraZeneca PLC	1.07%	100.0%	9,385	$1.52M

Not reported for this fund: share changes.

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OSTFX Mutual Fund All Holdings

OSTFX holdings total 39 positions. The top 10 holdings account for 46.3% of the fund, led by Alphabet Inc. C at 8.1%, Microsoft Corp at 7.3%, Apple Inc at 5.4%.

OSTFX portfolio concentration is moderate, with the top 10 representing 46.3% of total assets. The largest sector exposure is Information Technology at 38.4%.

OSTFX sectors provide a detailed breakdown. OSTFX overlap shows how holdings compare to other funds in your portfolio.