257 essays 1,087 funds measured independent · not paid by any fund or issuer we cover

Fund · iShares iBonds Dec 2027 Term Corporate ETF · measured from SEC filings

IBDS holdings

IBDS reports 660 holdings and behaves like 427.5 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-07-31. The fact sheet publishes the first number; this page computes the second, and traces it across 27 quarters of filings.

Measured concentration

as of 2026-07-31

Read this figure with the following in mind

6.1% of net assets is securities-lending cash collateral, excluded from the figure; counted as filed the fund would read 166.1

The figure below is what the filing says, published unchanged. What it may not do is sit beside a plain long-only fund and be read as the same quantity. How comparability is decided.

660 Positions reported
427.5 Effective holdings
1.5× Concentration multiple
7.11% Top ten weight

Computed 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: 7.4% at a quoted market price (level 1), 18 issuer countries.

What stands out

as of 2026-07-31

The largest line in IBDS's filing is not a stock but BlackRock Cash Funds: Treasury, SL Agency Shares, a short-term position at 0.8% of net assets. Ten companies are 7.11% of the fund; the other 650 share the rest. Among the 192 bond funds measured here, IBDS behaves like 427.5 holdings against a median of 236.4 — 1.8 times the median. Across 27 quarterly filings IBDS has become less concentrated: it behaved like 193.5 at 2019-10-31 and 474.6 at 2026-04-30. Between the 2026-01-31 and 2026-04-30 filings 3 positions were added and 9 dropped; 2.6% of the weight moved. the United States is the largest country at 86.31% of the portfolio, across 18 countries in the filing.

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

27

Between 2019-10-31 and 2026-04-30, IBDS went from behaving like 193.5 equally weighted positions to 474.6 — 145% more, while its top ten went from 13.29% to 6.14% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-04-30 669 474.6 6.14% 0.81%
2026-01-31 675 453 6.67% 1.46%
2025-10-31 684 480.4 6.09% 0.97%
2025-07-31 683 482.3 6% 0.81%
2025-04-30 676 476 6.03% 0.73%
2025-01-31 667 468.9 6.07% 0.73%
2024-10-31 660 457 6.22% 0.74%
2024-07-31 633 438.3 6.47% 0.77%
Earlier filings (19 more, back to 2019-10-31)
PeriodHoldingsEffectiveTop 10Largest
2024-04-30 605 415.9 6.72% 0.83%
2024-01-31 571 395.8 6.87% 0.86%
2023-10-31 551 377.7 7.28% 0.88%
2023-07-31 549 370.2 7.48% 0.89%
2023-04-30 546 374.6 7.15% 0.87%
2023-01-31 544 374.5 7.33% 0.88%
2022-10-31 522 349.4 7.71% 0.95%
2022-07-31 497 333.5 8.09% 0.99%
2022-04-30 469 314.5 8.12% 1.03%
2022-01-31 418 279.9 9.17% 1.16%
2021-10-31 401 270.7 9.69% 1.18%
2021-07-31 397 264 9.94% 1.19%
2021-04-30 395 258.5 9.99% 1.27%
2021-01-31 393 258.4 10.11% 1.29%
2020-10-31 386 239.8 11.21% 1.42%
2020-07-31 366 220.1 12.23% 1.5%
2020-04-30 324 200.4 12.98% 1.67%
2020-01-31 311 195.5 12.96% 1.75%
2019-10-31 308 193.5 13.29% 1.75%

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.

As filed, collateral included

6.1% collateral

IBDS's filing lists 661 positions including 6.1% of net assets in securities-lending cash collateral. Counted as filed the fund reads 166.1 effective holdings with a top ten of 12.67%; on its own investments — the figure above — it reads 427.5 with a top ten of 7.11%. The collateral is matched by a liability and is not a holding the fund chose; since 2026-09-18 every figure on this site sets it aside (methodology). Both numbers are in the data.

Largest positions, as filed

as of 2026-04-30

The 15 largest of 660 positions in IBDS's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: IBDS.csv.gz.

#PositionWeightCumulative
1BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES0.81%0.8%
2T-MOBILE USA INC0.74%1.5%
3MICROSOFT CORP0.73%2.3%
4CITIGROUP INC0.71%3.0%
5AMAZON.COM INC0.64%3.6%
6GOLDMAN SACHS GROUP INC0.55%4.2%
7MORGAN STANLEY0.54%4.7%
8ORACLE CORP0.50%5.2%
9META PLATFORMS INC0.47%5.7%
10ALIBABA GROUP HOLDING0.47%6.1%
11WELLS FARGO & COMPANY0.46%6.6%
12BANK OF AMERICA CORP0.46%7.1%
13AT&T INC0.45%7.5%
14ABBVIE INC0.42%7.9%
15BAT CAPITAL CORP0.42%8.4%

By country of issuer

as of 2026-04-30

Share of IBDS's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.

CountryShare
United States 85.59%
Canada 4.71%
Japan 2.28%
Australia 1.67%
United Kingdom 1.35%
Ireland° 0.89%
Spain 0.74%
Cayman Islands° 0.74%

Returns the fund reported

2019-08 – 2026-04

Monthly total returns from Item B.5 of IBDS's own filings, 81 months on record. Not computed here and not from a price feed.

4.4%Last twelve months filed
20%Whole series, compounded
5.6%Best month
-8.1%Worst month

Cross-checked against a series computed separately from prices: median difference 0.08 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: IBDS.json · all funds.

Who borrows IBDS's shares

2026-07-31

The fund lends its holdings, and Item B.4.a of the filing names every firm holding them. At 2026-07-31, $228m was out to 17 borrowers. The largest, JP MORGAN SECURITIES LLC, held 30.9% of it.

BorrowerOn loanShare of the loan
JP MORGAN SECURITIES LLC $70m 30.9%
BARCLAYS BANK PLC $44m 19.3%
PERSHING, LLC $28m 12.4%
National Bank Financial Inc. $28m 12.3%
GOLDMAN SACHS & CO. $17m 7.2%

The filing reports no cash collateral position against this loan. Collateral taken in a form the fund does not hold as a position does not appear in N-PORT, so this is silence rather than absence. What the collateral figure can and cannot show. Every quarter IBDS has filed, with each borrower: IBDS.json · all funds.

Since the previous filing

2026-01-31 → 2026-04-30

675 positions became 669: 3 added (0.3% of the fund at the later date), 9 dropped (1.0% at the earlier date). Half the sum of all weight changes, a turnover proxy: 2.6%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of IBDS compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-01-312026-04-30Largest decreases2026-01-312026-04-30
UBS AG STAMFORD CT0.00%0.11% BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES1.46%0.81%
MICROSOFT CORP0.68%0.73% CENTENE CORP0.40%0.13%
JOHNSON & JOHNSON0.23%0.26% EQT CORP0.16%0.11%
T-MOBILE USA INC0.70%0.74% UNITED AIR 2020-1 A PTT0.16%0.15%
BANK OF AMERICA CORP0.42%0.46% COSTCO WHOLESALE CORP0.19%0.18%
APPLE INC0.33%0.37% FORD MOTOR CREDIT CO LLC0.18%0.17%

New: AUGUSTA SPINCO CORPORATI (0.12%), ONCOR ELECTRIC DELIVERY (0.09%), BUNGE LTD FINANCE CORP (0.08%). Gone: VMWARE LLC (0.22%), HONEYWELL INTERNATIONAL (0.21%), ALBEMARLE CORP (0.12%), ONCOR ELECTRIC DELIVERY (0.10%), PARAMOUNT GLOBAL (0.10%), FS KKR CAPITAL CORP (0.09%).

Asset categories and pricing

as of 2026-07-31

92.60% debt, 7.40% short-term investment as filed; 7.4% 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

10

Every measured debt fund lined up by how many holdings it behaves like; these sit either side of IBDS (427.5). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
EMB iShares J.P. Morgan USD Emerging Markets Bond ETF 623 409.7 7.57% 2026-07-31
BAB Invesco Taxable Municipal Bond ETF 1,867 411.6 8.74% 2026-05-31
MMIT NYLIM MacKay Muni Intermediate ETF 855 412.4 8.41% 2026-07-31
CGMS Capital Group U.S. Multi-Sector Income ETF 1,493 422.4 6.76% 2026-06-30
BKAG BNY Mellon Core Bond ETF 5,130 427.3 7.38% 2026-07-31
TAXF American Century Diversified Municipal Bond ETF 755 429.2 7.49% 2026-05-31
TAFI AB Tax-Aware Short Duration Municipal ETF 689 432.2 7.16% 2026-05-31
VPLS Vanguard Core-Plus Bond ETF 2,903 446.1 * 9.8% 2026-06-30
HYMB State Street(R) SPDR Nuveen ICE High Yield Municipal Bond ETF 1,870 456.2 9.2% 2026-06-30
SPSB State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF 1,601 463.5 6.92% 2026-06-30

Essays that examine IBDS

0

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