Bondbloxx ETF Trust - BondBloxx IR+M Tax-Aware Short Duration ETF
US ˙ ARCA

SecurityTAXX / Bondbloxx ETF Trust - BondBloxx IR+M Tax-Aware Short Duration ETF
InstitutionCwm, Llc
Latest Disclosed Ownership372,745 shares
Latest Disclosed Value $ 18,844,108
Cwm, Llc reports 5.78% increase in ownership of TAXX / Bondbloxx ETF Trust - BondBloxx IR+M Tax-Aware Short Duration ETF

On May 14, 2026 - Cwm, Llc filed a 13F-HR form disclosing ownership of 372,745 shares of Bondbloxx ETF Trust - BondBloxx IR+M Tax-Aware Short Duration ETF (US:TAXX) valued at $18,844,123 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 352,367 shares of Bondbloxx ETF Trust - BondBloxx IR+M Tax-Aware Short Duration ETF. This represents a change in shares of 5.78% during the quarter. The current value of the position is $18,862,761 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 372,745 20,378 5.78 18,844 110,747.06 0.0490
2026-01-26 2025-12-31 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 352,367 13,752 4.06 18 0.00 0.0484
2025-10-15 2025-09-30 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 338,615 67,402 24.85 17 30.77 0.0519
2025-07-25 2025-06-30 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 271,213 56,925 26.56 14 30.00 0.0488
2025-05-01 2025-03-31 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 214,288 4,096 1.95 11 0.00 0.0432
2025-02-04 2024-12-31 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 210,192 13,630 6.93 11 11.11 0.0439
2024-10-08 2024-09-30 13F BONDBLOXX ETF TRUST IR M TAXAWARE 09789C721 196,562 196,562 10 0.0429
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.