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

Fund · Franklin U.S. Core Bond ETF · measured from SEC filings

FLCB holdings

FLCB reports 599 holdings and behaves like 150.3 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-06-30. The fact sheet publishes the first number; this page computes the second, and traces it across 28 quarters of filings.

Measured concentration

as of 2026-06-30
599 Positions reported
150.3 Effective holdings
4× Concentration multiple
19.03% 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: 1.74% at a quoted market price (level 1), 19 issuer countries.

What stands out

as of 2026-06-30

FLCB's largest investment is T 3.25 06/30/27 at 3.16% of net assets. T 4.125 04/30/33 and Fnma-30yr follow; the three together are 8.93%. Ten companies are 19.03% of the fund; the other 589 share the rest. Among the 192 bond funds measured here, FLCB behaves like 150.3 holdings against a median of 236.4 — 1.6 times more concentrated than the median. Across 28 quarterly filings FLCB has become less concentrated: it behaved like 28.9 at 2019-09-30 and 150.3 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 136 positions were added and 61 dropped; 36.0% 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

28

Between 2019-12-31 and 2026-06-30, FLCB went from behaving like 28.9 equally weighted positions to 150.3 — 420% more, while its top ten went from 44.18% to 19.03% of net assets. Read across the funds on the concentration-over-time table.

PeriodHoldingsEffective Top 10Largest
2026-06-30 599 150.3 19.03% 2.78%
2026-03-31 524 97.9 23.79% 5.91%
2025-12-31 444 89.8 24.71% 6.24%
2025-09-30 423 88.9 24.16% 6.27%
2025-06-30 399 83.4 25.42% 6.53%
2025-03-31 395 81.8 26.18% 6.98%
2024-12-31 378 77.8 28.34% 6.78%
2024-09-30 395 80.7 28.69% 6.31%
Earlier filings (20 more, back to 2019-09-30)
PeriodHoldingsEffectiveTop 10Largest
2024-06-30 351 80.5 29.78% 4.07%
2024-03-31 333 76.4 29.95% 4.34%
2023-12-31 320 74.5 30.18% 4.42%
2023-09-30 309 69.6 30.15% 6.4%
2023-06-30 290 65.9 30.64% 6.55%
2023-03-31 272 57.2 34.17% 6.88%
2022-12-31 255 58.5 33.88% 6.07%
2022-09-30 239 55.8 33.65% 6.75%
2022-06-30 250 56.4 32.91% 6.77%
2022-03-31 273 60.7 31.83% 6.89%
2021-12-31 279 62 31.73% 6.15%
2021-09-30 267 58.5 33.52% 6.2%
2021-06-30 251 54.1 35.04% 6.51%
2021-03-31 245 53 34.69% 7.23%
2020-12-31 250 63 31.82% 6.38%
2020-09-30 222 65.7 30.38% 6.09%
2020-06-30 268 60.4 31.57% 6.31%
2020-03-31 174 32.5 46% 11.09%
2019-12-31 182 28.9 44.18% 14.01%
2019-09-30 * 126 16.2 58.81% 18.74%

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 2026-06-30

The 15 largest of 599 positions in FLCB's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: FLCB.csv.gz.

#PositionWeightCumulative
1UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT2.78%2.8%
2UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT2.67%5.5%
3FEDERAL NATIONAL MORTGAGE ASSOCIATION2.40%7.9%
4FEDERAL NATIONAL MORTGAGE ASSOCIATION1.87%9.7%
5UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT1.80%11.5%
6FEDERAL NATIONAL MORTGAGE ASSOCIATION1.80%13.3%
7UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT1.70%15.0%
8FEDERAL NATIONAL MORTGAGE ASSOCIATION1.45%16.5%
9INSTITUTIONAL FIDUCIARY TRUST1.39%17.9%
10FEDERAL NATIONAL MORTGAGE ASSOCIATION1.18%19.0%
11FEDERAL NATIONAL MORTGAGE ASSOCIATION1.16%20.2%
12UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT1.15%21.3%
13UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT1.05%22.4%
14UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT1.05%23.4%
15UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT1.03%24.5%

By country of issuer

as of 2026-06-30

Share of FLCB'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 92.73%
Cayman Islands° 3.10%
United Kingdom 0.65%
Canada 0.55%
Ireland° 0.46%
Jersey° 0.43%
France 0.29%
Luxembourg° 0.25%

Returns the fund reported

2019-09 – 2026-06

Monthly total returns from Item B.5 of FLCB's own filings, 82 months on record. Not computed here and not from a price feed.

3.8%Last twelve months filed
7%Whole series, compounded
4.6%Best month
-4.1%Worst month

Cross-checked against a series computed separately from prices: median difference 0.10 percentage points over 81 months, which is roughly the distributions. Every month with the filing it came from: FLCB.json · all funds.

Since the previous filing

2026-03-31 → 2026-06-30

524 positions became 599: 136 added (35.7% of the fund at the later date), 61 dropped (20.9% at the earlier date). Half the sum of all weight changes, a turnover proxy: 36.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of FLCB compared this way, as a feed: changes.xml · all funds: filings received.

Largest increases2026-03-312026-06-30Largest decreases2026-03-312026-06-30
AIRBNB INC0.02%0.15% UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT4.19%2.78%
MEDLINE BORROWER LP0.12%0.18% INSTITUTIONAL FIDUCIARY TRUST1.85%1.39%
UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT0.07%0.12% UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT0.93%0.51%
BURLINGTON NORTHERN SANTA FE LLC0.05%0.08% UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT0.46%0.08%
SMBC AVIATION CAPITAL FINANCE DAC0.21%0.21% UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT2.14%1.80%
UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT2.03%1.70%

New: UNITED STATES OF AMERICA - BUREAU OF THE PUBLIC DEBT (2.67%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (2.40%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.87%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.80%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.45%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (1.18%). Gone: United States Treasury Notes (5.91%), Federal National Mortgage Association (2.34%), United States Treasury Notes (1.47%), FEDERAL NATIONAL MORTGAGE ASSOCIATION (0.69%), Federal Home Loan Mortgage Corp. (0.68%), Federal National Mortgage Association (0.65%).

Asset categories and pricing

as of 2026-06-30
Asset category (as filed)Share of investments
debt DBT55.96%
mortgage-backed ABS-MBS22.77%
ABS-O ABS-O14.12%
short-term investment STIV3.45%
CDO/CLO ABS-CBDO3.35%
equity EC0.35%

1.7% of FLCB is carried at a quoted market price (fair-value level 1). Categories and levels are the filer's, from Form N-PORT; 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 FLCB (150.3). Same filings, same arithmetic. Position in this list says nothing about which fund is better.

FundReportsBehaves likeTop tenAs of
BSJS Invesco BulletShares 2028 High Yield Corporate Bond ETF 193 137.7 15.77% 2026-05-31
JMST JPMorgan Ultra-Short Municipal Income ETF 1,892 138.5 13.59% 2026-05-31
FPE First Trust Preferred Securities and Income ETF 259 140.9 15.09% 2026-07-31
FIXD First Trust Smith Opportunistic Fixed Income ETF 489 141.5 19.97% 2026-05-31
MEAR iShares Short Maturity Municipal Bond Active ETF 347 142.8 16.92% 2026-07-31
MYCH State Street(R) My2028 Corporate Bond ETF 346 151.4 14.91% 2026-05-31
PTRB PGIM Total Return Bond ETF 1,222 155.6 * 19.68% 2026-05-29
MINT PIMCO Enhanced Short Maturity Active Exchange-Traded Fund 1,016 158.4 13.16% 2026-06-30
NBSD Neuberger Short Duration Income ETF 1,063 158.5 * 15.23% 2026-07-31
FLCO Franklin Investment Grade Corporate ETF 227 160.4 11.87% 2026-06-30

Essays that examine FLCB

0

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