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JNL/DoubleLine Core Fixed Income Fund

Actively managedBondsOpen-end fund
JNL Series TrustHoldings as of Jun 30, 2026Filed Aug 26, 2026

Actively managed U.S. bond fund

As of its 2026 Q2 report, JNL/DoubleLine Core Fixed Income Fund held 1,592 positions with $2.38B in net assets. Its ten largest holdings made up 19.4% of the fund. Its share classes cost 0.48%–0.78% a year. Over the 12 months to May 2026, it returned 4.7%, with dividends reinvested. In 2026 Q2 it added 226 new positions and exited 211.

2026 Q2 holdings and allocationChanges are against the previous quarter, 2026 Q1
Expense ratio
0.78%
$78 a year for every $10,000 invested
0.48% – 0.78% across the 2 classes
$2.38B
The whole fund, all share classes
1,592 holdings
19.4%in the top 10
Weight held in the ten largest holdings
Top 25 hold 27.5%
Return, 1 year
+4.7%
With dividends, to May 2026
3 yr total +13.3% · 5 yr total +1.3%
What this fund is
Objective, as filed

The investment objective of the Fund is to seek to maximize current income and total return.

Strategy, summarised

The fund invests at least 80% of assets in fixed-income securities of varying maturities, including government and corporate bonds, mortgage-backed securities, asset-backed securities, bank loans, and emerging market debt, with up to 33⅓% in high-yield securities. The portfolio manager targets a weighted average effective duration between two and eight years, using derivatives including swaps, futures, and options to manage interest rate sensitivity. The fund may allocate up to 30% to foreign-currency-denominated securities and up to 30% to emerging market instruments, and may invest up to 10% in preferred stock and convertible securities.

What you own

per cent of the fund
CompanyWeightValue
Treasury, United States Department of
0.88% · due 2030-11-15
4.27%
$101.71M
Treasury, United States Department of
1.13% · due 2040-08-15
3.48%
$83.02M
Treasury, United States Department of
0.63% · due 2030-08-15
2.69%
$64.11M
Treasury, United States Department of
0.63% · due 2030-05-15
2.67%
$63.65M
Treasury, United States Department of
1.88% · due 2041-02-15
1.93%
$46.08M
Federal Home Loan Mortgage Corporation
6.00% · due 2054-12-01
0.98%
$23.28M
Federal National Mortgage Association, Inc.
5.50% · due 2054-10-01
0.96%
$22.87M
Federal Home Loan Mortgage Corporation
3.00% · due 2052-05-01
0.82%
$19.62M
JNL Government Money Market Fund
0.81%
$19.21M
Federal National Mortgage Association, Inc.
2.50% · due 2051-08-01
0.77%
$18.27M
Showing 1–10 of 1,592 · the top 10 are 19.37% of the fund, the top 25 are 27.50%

The 200 largest of 1,592 holdings, with the share counts as filed, open with a free account.

What the fund is made of

Percentages are of fund net assets. Rounding, liabilities and short positions can make totals differ from 100%.

99.39%
of net assets
Bonds49.18%
Securitized46.63%
Loans2.53%
Cash & short-term1.10%
Stocks0.00%
Derivatives-0.04%

The outer band is exposure held short — written against the portfolio rather than part of it, which is why it sits outside the ring and why the two are never netted into one figure.

Derivatives are shown at market value, not notional exposure.

By sector

Securitized
46.8%
Government
23.7%
Other
16.5%
Utilities
3.2%
12 other sectors
9.8%

How it has done

Total return, dividends reinvested · to May 2026

C000004643 share class · total returns with dividends reinvested

1 year
+4.66%
3 years
+13.29%
Cumulative, not per year
5 years
+1.26%
Cumulative, not per year
Largest decline in 3 years
-4.97%
From a previous high to a later low
Cumulative return, last three years· Jul 2023 – May 2026

Volatility over the last 12 months: 3.30%. Past returns are a record, not a forecast.

Jun 2026 has been filed since the trailing figures were struck, so it is not in the table above or the curve — every figure here shares one cut-off, which is what makes them comparable with other funds.

This fund changed legal form during the period shown. The history above is continuous — it spans both eras, and the change is not a gap in reporting.

Fees & fund details

JNL/DoubleLine Core Fixed Income Fund is an actively managed U.S. bond fund.

Asset class
Bonds
Region
United States
Management
Actively managed
Fund type
Open-end fund
Credit quality
Mixed credit
Rate sensitivity
Intermediate duration
Expense ratio, by class
0.48% – 0.78%
Portfolio turnover
41.00% a year · as of 2026 Q2

Turnover is how much of the portfolio was replaced in a year.

Classified from what the fund holds, not from its name · 2026 Q2. The summary is a paraphrase of the prospectus; the objective is verbatim.

What changed this quarter

2026 Q2 vs 2026 Q1

Positions that entered or left the fund since its previous filing. Positions that were only resized are not listed.

226 new· the largest 6

Federal Home Loan Mortgage Corporation
Treasury, United States Department of
3 holdings
Velocity Commercial Capital Loan Trust 2026-2
Iskandar Enterprise LLC
Verus Securitization Trust 2026-R3
Oryx Funding LLC

211 exited· the largest 8

Federal Home Loan Mortgage Corporation
Progress Residential 2021-SFR3 Trust
HOMES Trust
Labcorp Holdings Inc.
Wells Fargo & Company
Marvell Technology, Inc.
Fermaca Enterprises S. de R.L. de C.V.
Paychex, Inc.

Debt profile

What this fund holds — value-weighted across its bond and securitized long positions · as of 2026-06-30

Avg coupon
4.13%
Avg maturity
12.78 yr
Coupon type

Share of the fund's debt by how its coupon behaves — the fact that decides whether a rate move reaches this portfolio at all.

17%
floating
Fixed rate82.9%
Floating rate17.1%
Maturity ladder

Share of the fund's debt value in each maturity band, shortest first.

<1y10y+
<1y1.9%
1-3y9.6%
3-5y22.2%
5-10y20.6%
10y+45.7%
Flagged holdings
Defaulted: 0.07% · $1.70M · 9 positions
In arrears: none reported
Paid in kind: 0.05% · $1.28M · 8 positions

These three overlap — one holding can be in arrears and paying in kind at once — so they are shown separately and never summed.

Risk profile

Interest-rate and credit-spread sensitivity, both in years · as of 2026Q2

Most of this fund’s sensitivity is to interest rates, with credit spreads carrying nearly as much.

5.72 yr
approx. move per 100bp
3.84 yr
approx. move per 100bp
If rates and spreads both rise 100bp

Where the loss would come from. The two shocks are the same size, so this is the balance of the fund's two sensitivities rather than a bet on one moving more.

≈ -9.5%
of value
Interest rates60%
Credit spreads40%

Filers report the impact of a 0.01% move only, so the total is our own scaling of that one number and overstates the loss on most bonds — read it as approximate, never as precise. The two sensitivities overlap rather than add up: they measure the same positions against different shocks, which is why the durations above are shown side by side and never summed.

Credit risk by quality

Share of the fund's spread duration carried by each credit tier.

+3.84
yrs total
Investment grade+3.04 yr
High yield+0.80 yr
Where the risk sits on the curve

Share of duration at each point, shortest first. A positive figure loses value when spreads widen; a negative one offsets — a credit hedge.

Interest rate5.72 yr total
3 mo30 yr
3 mo1.07 yr19%
1 yr0.29 yr5%
5 yr0.99 yr17%
10 yr1.63 yr29%
30 yr1.74 yr30%
Credit spread3.84 yr total
3 mo30 yr
3 mo0.00 yr0%
1 yr0.17 yr4%
5 yr0.79 yr21%
10 yr1.27 yr33%
30 yr1.60 yr42%

The two bands measure the same positions against different shocks and do not add — a Treasury carries rate duration and no spread duration, a floating-rate credit the reverse. Rate tenors are also summed across every currency the fund discloses.

Show the numbers
TenorRate yrsIG yrsHY yrsIG $/bpHY $/bp
3 mo+1.07+0.00+0.00$185$905
1 yr+0.29+0.11+0.06$25.8k$14.9k
5 yr+0.99+0.53+0.26$126.6k$62.8k
10 yr+1.63+0.96+0.31$227.8k$75.0k
30 yr+1.74+1.45+0.15$344.7k$36.5k

Dollar change per 1bp of spread movement, as filed and sign-anchored. A blank cell was not filed; a zero was.

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