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TIZEvsMBBETF Comparison

ETF 1
TIZE

TCW Securitized Income ETF

This fund is part of
MBS & ABS
+0.31%
VS
ETF 2
MBB

iShares MBS ETF

This fund is part of
MBS & ABS
+0.31%

TCW Securitized Income ETF (TIZE) and iShares MBS ETF (MBB) belong to the same industry segment: MBS & ABS. TIZE's top 2 sector exposures are Industrials and Finance. In contrast, MBB's top sector exposures are Industrials, Non-Corporate and Finance. TIZE is more expensive with a Total Expense Ratio (TER) of 0.4%, versus 0.04% for MBB. Run a side-by-side ETF comparison of TIZE and MBB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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TIZE vs MBB performance and flow charts

Performance

0.01.02.03.0%Sep 30Oct 7Oct 14Oct 21Oct 28

Cumulative Flows

-1.5 B-1 B-0.5 B0 BSep 30Oct 7Oct 14Oct 21Oct 28

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Historic performance and flows
Data as of 10/30/2026
1M3MYTD1Y3Y5Y
Perf.
TIZE
MBB
+0.96%+3.07%
n/a-0.39%
n/a-0.29%
n/a+0.40%
n/a+20.21%
n/a+1.07%
Flows
TIZE
MBB
+$7M-$1.47B
--$2.57B
--$1.70B
--$4.72B
-+$8.04B
-+$13.56B
Volatility and drawdown
3M1Y3Y5Y
Volatility
TIZE
MBB
n/a+5.98%
n/a+4.69%
n/a+5.65%
n/a+6.68%
Max drawdown
TIZE
MBB
n/a-4.27%
n/a-5.38%
n/a-5.38%
n/a-16.94%
Max drawdown duration
TIZE
MBB
n/a66d
n/a243d
n/a243d
n/a1405d
Trading data

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TIZE
MBB
Last sale
10/30/2026 at 1:30 PM
$92.05
Previous close
10/29/2026
$91.68
Consolidated volume
10/29/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
Replication quality
Data as of September 30, 2026
1-year trailing difference

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TIZE
is actively managed and doesn’t replicate an index

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TIZE
MBB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst
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Main metrics
Last update 10/30/2026 at 1:30 PM
Live
Closed
TIZE
MBB
Last price
–
$92.05
1D performance
–
+0.40%
AuM$30.84 M$35.89 B
E/R0.4%0.04%
Characteristics
TIZE
MBB
Management strategyActivePassive
ProviderTCWiShares
Benchmark-Bloomberg U.S. MBS Index
N° of holdings211190
Asset class-Bonds
Trailing 12m distribution yield
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Inception dateSeptember 11, 2026March 13, 2007
ESGNoNo
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Exposure

Countries

TIZE
USA
21.98%
Other
78.02%
MBB
USA
27.26%
Other
72.74%

Sectors

TIZE
Other
100%
MBB
Industrials
20.52%
Other
79.48%
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Diversification

TIZE

Total weight of top 15 holdings out of 15

29.92%
MBB

Total weight of top 15 holdings out of 15

14.23%

Top 15 holdings

Data as of September 30, 2026
TIZE
Tcw Central Cash Fund
14.71%
US442924AW66
1.19%
US08182DAN49
1.09%
US48249VBN01
1.08%
US557913AG56
1.08%
US00177JBY01
1.08%
US067932AL72
1.08%
US38181NAG51
1.08%
US69702MAS61
1.08%
US04019HBC60
1.08%
US70018QAN51
1.08%
US55955UAG76
1.08%
US05876GAE44
1.08%
US460988AQ10
1.08%
US38180PAE60
1.08%
MBB
BlackRock Cash Funds - Institutional
6.49%
FR SD8146, 2% 1may2051, USD (ABS)
1.04%
US21H0606A46
0.68%
US01F0526A56
0.59%
G2 MB0025, 5% 20nov2054, USD (ABS)
0.59%
US21H0526A19
0.57%
G2 MA7648, 2% 20oct2051, USD (ABS)
0.54%
US36179WTX64
0.53%
FN MA4492, 2% 1dec2051, USD (ABS)
0.52%
US36179WJR07
0.51%
FR SD8140, 2% 1apr2051, USD (ABS)
0.50%
FN MA4465, 2% 1nov2051, USD (ABS)
0.44%
US3618N6FL65
0.43%
US21H0506A54
0.41%
G2 MA9171, 5.5% 20sep2053, USD (ABS)
0.40%
Frequently asked questions about TIZE and MBB

Which ETF is bigger: TIZE or MBB?

As of October 30, 2026, TIZE holds $30.84 M in assets under management (AUM), while MBB manages $35.89 B.

What are the top holdings of the TIZE ETF and MBB ETF?

TIZE top holdings include Tcw Central Cash Fund, US442924AW66 and US08182DAN49. MBB holds in its top three: BlackRock Cash Funds - Institutional, FR SD8146, 2% 1may2051, USD (ABS) and US21H0606A46.

Which ETF is more diversified: TIZE or MBB?

TIZE holds 201 securities with 29.92% of its assets in the top 15. MBB has 9134 securities and a top 15 weight of 14.23%.

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