Fund · Invesco Short Term Treasury ETF · measured from SEC filings
TBLL holdings
TBLL reports 83 holdings and behaves like 62.5 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-05-31. The fact sheet publishes the first number; this page computes the second, and traces it across 27 quarters of filings.
Measured concentration
as of 2026-05-31Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 0.02% at a quoted market price (level 1), one issuer country.
What stands out
as of 2026-05-31TBLL's largest investment is U.S. Treasury Bills at 2.79% of net assets. U.S. Treasury Bills and U.S. Treasury Bills follow; the three together are 8.12%. Ten companies are 24.65% of the fund; the other 73 share the rest. Among the 192 bond funds measured here, TBLL behaves like 62.5 holdings against a median of 236.4 — 3.8 times more concentrated than the median. Across 27 quarterly filings TBLL has held roughly steady since 2019-11-30 (52.7 then, 62.5 now). Between the 2026-02-28 and 2026-05-31 filings 44 positions were added and 35 dropped; 65.1% of the weight moved.
Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable bond funds on this site. Nothing here is a view on the fund.
Every filing since 2019
27Between 2019-11-30 and 2026-05-31, TBLL went from behaving like 52.7 equally weighted positions to 62.5 — 19% more, while its top ten went from 28.47% to 24.65% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-05-31 | 83 | 62.5 | 24.65% | 2.87% |
| 2026-02-28 | 74 | 57 | 27.18% | 3.8% |
| 2025-11-30 | 67 | 59 | 23% | 2.81% |
| 2025-08-31 | 68 | 56.4 | 25.48% | 3.14% |
| 2025-05-31 | 76 | 58.2 | 26.76% | 3.69% |
| 2025-02-28 | 69 | 57.8 | 24.56% | 3.37% |
| 2024-11-30 | 73 | 62.8 | 20.38% | 2.37% |
| 2024-08-31 | 72 | 64 | 21.39% | 2.8% |
Earlier filings (19 more, back to 2019-11-30)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-05-31 | 76 | 65.1 | 21.51% | 2.53% |
| 2024-02-29 | 79 | 64.6 | 23.72% | 3.06% |
| 2023-11-30 | 75 | 60.2 | 24.59% | 3.8% |
| 2023-08-31 | 57 | 49.4 | 27.32% | 3.57% |
| 2023-05-31 | 66 | 53 | 25.68% | 3.11% |
| 2023-02-28 | 74 | 60 | 25.66% | 3.52% |
| 2022-11-30 | 80 | 62.4 | 26.04% | 3.5% |
| 2022-08-31 | 75 | 52.2 | 32.84% | 3.62% |
| 2022-05-31 | 36 | 30.1 | 39.1% | 7.79% |
| 2022-02-28 | 36 | 26.9 | 44.68% | 8.3% |
| 2021-11-30 | 45 | 37.5 | 33.99% | 5.9% |
| 2021-08-31 | 48 | 41.8 | 31.21% | 3.78% |
| 2021-05-31 | 52 | 41.4 | 33.95% | 4.28% |
| 2021-02-28 | 53 | 44 | 31.87% | 4.07% |
| 2020-11-30 | 60 | 54 | 25.86% | 2.88% |
| 2020-08-31 | 57 | 46.6 | 31.15% | 3.59% |
| 2020-05-31 | 60 | 53.4 | 25.84% | 3.15% |
| 2020-02-29 | 60 | 50.7 | 28.73% | 3.61% |
| 2019-11-30 | 64 | 52.7 | 28.47% | 4.54% |
One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.
Largest positions, as filed
as of 2026-05-31The 15 largest of 83 positions in TBLL's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: TBLL.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | U.S. Treasury Bills | 2.87% | 2.9% |
| 2 | U.S. Treasury Bills | 2.75% | 5.6% |
| 3 | U.S. Treasury Bills | 2.72% | 8.3% |
| 4 | U.S. Treasury Bills | 2.69% | 11.0% |
| 5 | U.S. Treasury Bills | 2.64% | 13.7% |
| 6 | U.S. Treasury Bills | 2.37% | 16.0% |
| 7 | U.S. Treasury Bills | 2.30% | 18.3% |
| 8 | U.S. Treasury Bills | 2.21% | 20.5% |
| 9 | U.S. Treasury Bills | 2.18% | 22.7% |
| 10 | U.S. Treasury Notes/Bonds | 1.93% | 24.7% |
| 11 | U.S. Treasury Notes | 1.87% | 26.5% |
| 12 | U.S. Treasury Notes | 1.87% | 28.4% |
| 13 | U.S. Treasury Notes | 1.82% | 30.2% |
| 14 | U.S. Treasury Bills | 1.72% | 31.9% |
| 15 | U.S. Treasury Bills | 1.72% | 33.7% |
Returns the fund reported
2019-09 – 2026-05Monthly total returns from Item B.5 of TBLL's own filings, 81 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference 0.01 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: TBLL.json · all funds.
Since the previous filing
2026-02-28 → 2026-05-3174 positions became 83: 44 added (52.4% of the fund at the later date), 35 dropped (55.2% at the earlier date). Half the sum of all weight changes, a turnover proxy: 65.1%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of TBLL compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-02-28 | 2026-05-31 | Largest decreases | 2026-02-28 | 2026-05-31 |
|---|---|---|---|---|---|
| U.S. Treasury Bills | 0.42% | 2.87% | U.S. Treasury Notes | 1.64% | 0.00% |
| U.S. Treasury Bills | 0.95% | 2.75% | U.S. Treasury Notes | 1.38% | 0.00% |
| U.S. Treasury Bills | 0.48% | 2.21% | U.S. Treasury Notes/Bonds | 1.51% | 0.21% |
| U.S. Treasury Bills | 1.16% | 2.72% | U.S. Treasury Notes | 1.19% | 0.00% |
| U.S. Treasury Bills | 1.15% | 2.37% | U.S. Treasury Notes/Bonds | 1.18% | 0.19% |
| U.S. Treasury Bills | 1.95% | 2.64% | U.S. Treasury Notes/Bonds | 1.59% | 0.64% |
New: U.S. Treasury Bills (2.69%), U.S. Treasury Bills (2.30%), U.S. Treasury Bills (2.18%), U.S. Treasury Bills (1.72%), U.S. Treasury Bills (1.72%), U.S. Treasury Bills (1.72%). Gone: U.S. Treasury Bills (3.80%), U.S. Treasury Bills (3.71%), U.S. Treasury Bills (2.96%), U.S. Treasury Bills (2.63%), U.S. Treasury Bills (2.56%), U.S. Treasury Bills (2.49%).
Asset categories and pricing
as of 2026-05-3199.98% debt, 0.02% short-term investment as filed; 0.0% carried at a quoted market price (fair-value level 1). Categories and levels are the filer's; what a low level-1 share does and does not mean is in the measure's page.
Neighbours by effective holdings, debt funds
10Every measured debt fund lined up by how many holdings it behaves like; these sit either side of TBLL (62.5). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| XTEN BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF | 70 | 45.7 | 34.06% | 2026-07-31 |
| IBTH iShares iBonds Dec 2027 Term Treasury ETF | 52 | 45.9 | 27.43% | 2026-07-31 |
| BSJR Invesco BulletShares 2027 High Yield Corporate Bond ETF | 103 | 47 | 30.71% | 2026-05-31 |
| EVTR Eaton Vance Total Return Bond ETF | 905 | 48.8 * | 38.31% | 2026-06-30 |
| VGUS Vanguard Ultra-Short Treasury ETF | 91 | 62.1 | 27.78% | 2026-06-30 |
| PRIV State Street(R) IG Public & Private Credit ETF | 347 | 68.7 | 30.66% | 2026-07-31 |
| IEI iShares 3-7 Year Treasury Bond ETF | 84 | 70.7 | 22.23% | 2026-05-31 |
| JFLX JPMorgan Flexible Debt ETF | 1,630 | 73.4 * | 22.52% | 2026-05-31 |
| VGLT Vanguard Long-Term Treasury Index Fund | 98 | 75.1 | 21.65% | 2026-05-31 |
| SPTL State Street(R) SPDR(R) Portfolio Long Term Treasury ETF | 101 | 75.8 | 21.59% | 2026-06-30 |
Essays that examine TBLL
0Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.