SWIXX Mutual Fund All 39 Holdings

SWIXX Mutual Fund

AUM$11.9B

Holdings39

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SWIXX Mutual Fund

Northern Institutional Treasury Instruments Portfolio Siebert Williams Shank share

AUM$11.9B

Holdings39

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

Showing top 38 of 38 holdings · as of Jun 30, 2026

SWIXX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Mkt value	Sector	Industry
1	Debt	United States Treasury Bill 08/06/2026 2026-08-06Financials · Diversified Financial Services	12.05%	12.1%	$1.32B	Financials	Diversified Financial Services
2	—	Gnma Ii Pool Ma8042 G2 05/52 Fixed 2.5	9.11%	21.2%	$998.71M	-	-
Sector and industry · Pro
3	—	B 7/7/26 Govt	8.33%	29.5%	$913.06M
4	Debt	United States Treasury Bill 07/09/2026	7.75%	37.2%	$849.31M
5	Debt	U.S. Treasury Bill 3.612000% 07/02/2026	6.62%	43.9%	$725.43M
6	Debt	United States Treasury Bill 07/30/2026	4.55%	48.4%	$498.55M
7	Debt	Treasury Bill Aug 11, 2026	4.55%	53.0%	$498.93M
8	Debt	United States Treasury	4.54%	57.5%	$497.09M
9	—	Fed Hm Ln Pc Pool Sd5617 Fr 06/54 Fixed 6	3.40%	60.9%	$372.04M
10	Debt	Treasury Bill 0% Oct 29, 2026	3.33%	64.2%	$365.36M
11	Debt	Treasury Bill Oct 01, 2026	3.16%	67.4%	$346.66M
12	Debt	Us Treasury Frn 07/26 Var	3.14%	70.5%	$344.02M
13	Debt	Treasury Floating Rate Note 4.34% Jan 31, 2027	2.92%	73.4%	$320.09M
14	Debt	Treasury Bill9/29/2026	2.71%	76.2%	$297.27M
15	—	Us Tsy Frn 01/31/28 Govt	2.51%	78.7%	$275.05M
16	Debt	Treasury Bill Jul 16, 2026	2.28%	80.9%	$249.63M
17	Debt	Treasury Bill 10/06/2026	2.26%	83.2%	$247.51M
18	Debt	United States Treasury Bill 09/03/2026	2.13%	85.3%	$233.47M
19	Debt	Treasury Floating Rate Note 4.75% Oct 31, 2026	2.10%	87.4%	$230.13M
20	Debt	Treasury Bill9/08/2026	1.81%	89.2%	$198.59M
21	Debt	Treasury Floating Rate Note 4.44% Jul 31, 2027	1.53%	90.8%	$167.18M
22	Debt	Treasury Floating Rate Note 3.96% Oct 31, 2027 3.96 2027-10-31	1.43%	92.2%	$156.42M
23	Debt	U.S. Treasury Bill 2026-10-22	1.35%	93.6%	$148.24M
24	Debt	United States Treasury Bill 12/10/2026	1.12%	94.7%	$122.86M
25	Debt	Treasury Floating Rate Note 3.73% Apr 30, 2028	0.91%	95.6%	$99.99M
26	Debt	Treasury Floating Rate Note 4.43% Apr 30, 2027	0.87%	96.5%	$95.10M
27	Debt	US Treasury N/B	0.85%	97.3%	$93.45M
28	Debt	Us Treasury Note	0.82%	98.1%	$90.01M
29	Debt	United States Treasury Note/Bond 4.375 2026-07-31	0.82%	98.9%	$90.05M
30	Debt	Treasury Bill 0.0 24-September-2026	0.59%	99.5%	$64.44M
31	Debt	United States Treasury	0.57%	100.1%	$62.14M
32	Debt	Us Treasury N/B 05/27 3.875	0.50%	100.6%	$54.89M
33	Debt	Treasury Bill 11/19/2026	0.45%	101.1%	$49.26M
34	Debt	Treasury Bill	0.36%	101.4%	$39.47M
35	Debt	United States Treasury 0.50% 31-May-2027	0.35%	101.8%	$38.72M
36	Debt	United States Treasury	0.32%	102.1%	$34.82M
37	Debt	United States Treasury Note/bond	0.15%	102.2%	$16.97M
38	Debt	Treasury Note (Otr) 2.63% May 31, 2027	0.14%	102.4%	$14.80M

Not reported for this fund: shares, share changes.

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SWIXX Mutual Fund All Holdings

SWIXX holdings total 39 positions. The top 10 holdings account for 64.2% of the fund, led by United States Treasury Bill 08/06/2026 2026-08-06 at 12.1%, Gnma Ii Pool Ma8042 G2 05/52 Fixed 2.5 at 9.1%, B 7/7/26 Govt at 8.3%.

SWIXX portfolio concentration is relatively high, with the top 10 representing 64.2% of total assets. The largest sector exposure is Financials at 34.0%.

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