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NASDAQ:TIBGX Thornburg Investment Income Builder Class R4 Mutual Fund

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Share price · NASDAQ:TIBGX

$37.29 USD +0.14 (+0.4%)

Close on Oct 20, 2026

Past 3 months -0.4% · daily closes, Jul 9, 2026 – Oct 20, 2026, adjusted for splits

Day range: $37.29 – $37.29 USDOct 20, 2026

Daily closes

Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:TIBGX · USD, adjusted for splits

Day	Close	Change	%	Open	High	Low
Tue, Oct 20	$37.29	+0.14	+0.4%	$37.29	$37.29	$37.29
Mon, Oct 19	$37.15	-0.29	-0.8%	$37.15	$37.15	$37.15
Fri, Oct 16	$37.44	+0.22	+0.6%	$37.44	$37.44	$37.44
Thu, Oct 15	$37.22	+0.09	+0.2%	$37.22	$37.22	$37.22
Wed, Oct 14	$37.13	+0.06	+0.2%	$37.13	$37.13	$37.13
Tue, Oct 13	$37.07	-0.13	-0.3%	$37.07	$37.07	$37.07
Mon, Oct 12	$37.20	+0.10	+0.3%	$37.20	$37.20	$37.20
Fri, Oct 9	$37.10	-0.29	-0.8%	$37.10	$37.10	$37.10
Thu, Oct 8	$37.39	-0.11	-0.3%	$37.39	$37.39	$37.39
Wed, Oct 7	$37.50	-0.12	-0.3%	$37.50	$37.50	$37.50
Tue, Oct 6	$37.62	+0.14	+0.4%	$37.62	$37.62	$37.62
Mon, Oct 5	$37.48	+0.21	+0.6%	$37.48	$37.48	$37.48
Fri, Oct 2	$37.27	+0.20	+0.5%	$37.27	$37.27	$37.27
Thu, Oct 1	$37.07	-0.25	-0.7%	$37.07	$37.07	$37.07
Wed, Sep 30	$37.32	-0.27	-0.7%	$37.32	$37.32	$37.32
Tue, Sep 29	$37.59	-0.21	-0.6%	$37.59	$37.59	$37.59
Mon, Sep 28	$37.80	-0.27	-0.7%	$37.80	$37.80	$37.80
Fri, Sep 25	$38.07	+0.23	+0.6%	$38.07	$38.07	$38.07
Thu, Sep 24	$37.84	-0.14	-0.4%	$37.84	$37.84	$37.84
Wed, Sep 23	$37.98	-0.23	-0.6%	$37.98	$37.98	$37.98
Tue, Sep 22	$38.21	-0.29	-0.8%	$38.21	$38.21	$38.21
Mon, Sep 21	$38.50	+0.24	+0.6%	$38.50	$38.50	$38.50
Fri, Sep 18	$38.26	-0.38	-1.0%	$38.26	$38.26	$38.26
Thu, Sep 17	$38.64	+0.21	+0.5%	$38.64	$38.64	$38.64
Wed, Sep 16	$38.43	-0.07	-0.2%	$38.43	$38.43	$38.43
Tue, Sep 15	$38.50	-0.04	-0.1%	$38.50	$38.50	$38.50
Mon, Sep 14	$38.54	+0.01	0.0%	$38.54	$38.54	$38.54
Fri, Sep 11	$38.53	+0.03	+0.1%	$38.53	$38.53	$38.53
Thu, Sep 10	$38.50	-0.05	-0.1%	$38.50	$38.50	$38.50
Wed, Sep 9	$38.55	-0.26	-0.7%	$38.55	$38.55	$38.55
Tue, Sep 8	$38.81	+0.07	+0.2%	$38.81	$38.81	$38.81
Fri, Sep 4	$38.74	+0.01	0.0%	$38.74	$38.74	$38.74
Thu, Sep 3	$38.73	+0.21	+0.5%	$38.73	$38.73	$38.73
Wed, Sep 2	$38.52	-0.17	-0.4%	$38.52	$38.52	$38.52
Tue, Sep 1	$38.69	+0.10	+0.3%	$38.69	$38.69	$38.69
Mon, Aug 31	$38.59	-0.01	0.0%	$38.59	$38.59	$38.59
Fri, Aug 28	$38.60	+0.05	+0.1%	$38.60	$38.60	$38.60
Thu, Aug 27	$38.55	-0.33	-0.8%	$38.55	$38.55	$38.55
Wed, Aug 26	$38.88	-0.03	-0.1%	$38.88	$38.88	$38.88
Tue, Aug 25	$38.91	+0.15	+0.4%	$38.91	$38.91	$38.91
Mon, Aug 24	$38.76	-0.16	-0.4%	$38.76	$38.76	$38.76
Fri, Aug 21	$38.92	+0.23	+0.6%	$38.92	$38.92	$38.92
Thu, Aug 20	$38.69	+0.05	+0.1%	$38.69	$38.69	$38.69
Wed, Aug 19	$38.64	-0.08	-0.2%	$38.64	$38.64	$38.64
Tue, Aug 18	$38.72	-0.11	-0.3%	$38.72	$38.72	$38.72
Mon, Aug 17	$38.83	-0.10	-0.3%	$38.83	$38.83	$38.83
Fri, Aug 14	$38.93	+0.03	+0.1%	$38.93	$38.93	$38.93
Thu, Aug 13	$38.90	+0.17	+0.4%	$38.90	$38.90	$38.90
Wed, Aug 12	$38.73	+0.08	+0.2%	$38.73	$38.73	$38.73
Tue, Aug 11	$38.65	+0.02	+0.1%	$38.65	$38.65	$38.65
Mon, Aug 10	$38.63	-0.13	-0.3%	$38.63	$38.63	$38.63
Fri, Aug 7	$38.76	+0.08	+0.2%	$38.76	$38.76	$38.76
Thu, Aug 6	$38.68	+0.06	+0.2%	$38.68	$38.68	$38.68
Wed, Aug 5	$38.62	+0.04	+0.1%	$38.62	$38.62	$38.62
Tue, Aug 4	$38.58	+0.06	+0.2%	$38.58	$38.58	$38.58
Mon, Aug 3	$38.52	-0.14	-0.4%	$38.52	$38.52	$38.52
Fri, Jul 31	$38.66	+0.43	+1.1%	$38.66	$38.66	$38.66
Thu, Jul 30	$38.23	+0.06	+0.2%	$38.23	$38.23	$38.23
Wed, Jul 29	$38.17	-0.14	-0.4%	$38.17	$38.17	$38.17
Tue, Jul 28	$38.31	+0.02	+0.1%	$38.31	$38.31	$38.31
Mon, Jul 27	$38.29	+0.22	+0.6%	$38.29	$38.29	$38.29
Fri, Jul 24	$38.07	-0.05	-0.1%	$38.07	$38.07	$38.07
Thu, Jul 23	$38.12	-0.11	-0.3%	$38.12	$38.12	$38.12
Wed, Jul 22	$38.23	+0.33	+0.9%	$38.23	$38.23	$38.23
Tue, Jul 21	$37.90	+0.29	+0.8%	$37.90	$37.90	$37.90
Mon, Jul 20	$37.61	-0.06	-0.2%	$37.61	$37.61	$37.61

Ticker: NASDAQ:TIBGX
Asset type: Fund
Exchange: NASDAQ
Currency: USD

Thornburg Investment Income Builder Class R4 on 6ix

What it is: Mutual fund