— Know what they know.
Not Investment Advice
Bonds · Corporate issuer

Arrowhead Pharmaceuticals, Inc. bonds ARWR

Who owns Arrowhead Pharmaceuticals, Inc.'s debt and what their own filings say it is worth. Bond prices and yields are fund-reported marks (SEC Form N-PORT) as of Jul 2026; they lag the market by about two months. ARWR stock page.

Held by funds
$79.9M
1 bonds, fund marks Jul 2026
Fund holders
47
-5 vs prior quarter
USD spread over Treasuries
—
— in a month · fund-reported
USD yield
—
median yield to maturity · fund-reported
Distance-to-default
48th pct
safer than 48% of companies · market-implied, 2026-10-16

Every bond funds hold

Each bond's latest fund-reported mark. Price per 100 of face value; yield to maturity from price, coupon and maturity; spread over the matched-maturity Treasury for US-dollar bonds.

BondCouponMaturityCcyPriceYieldSpreadFundsHeldAs of
04280AAC4 convertible 0% none 2032-01-15USD 124.12—— 18$79.9M Jul 2026

Spread history

Median spread of the US-dollar bonds over Treasuries, month-ends with complete filings. Fund-reported.

Not enough US-dollar bonds with a yield.

Price history

Median fund-marked price across the bonds, per 100 of face value.

103.6113.9124.1Jan 2026Jul 20262026-01-31: 112.62026-02-28: 105.32026-03-31: 103.62026-04-30: 114.02026-05-31: 117.32026-06-30: 120.02026-07-31: 124.1

By month

Funds file on staggered quarter-ends, so each month-end is marked by the funds that reported for it; the amount held moves with which funds filed, not only with buying and selling.

Month-endBondsHeldMedian priceUSD yieldUSD spreadMost funds on one bond
Jul 2026 1$79.9M124.12 ——18
Jun 2026 1$27.2M119.97 ——24
May 2026 1$6.8M117.30 ——5
Apr 2026 1$59.1M113.99 ——18
Mar 2026 1$21.7M103.63 ——26
Feb 2026 1$12.2M105.31 ——8
Jan 2026 1$55.9M112.58 ——22

Who holds the debt

Fund series in their latest quarterly N-PORT report, largest first, with the change in face value against each fund's own previous report. Names as reported in the filings. 7 added, 18 cut, 10 new holders and 16 exits in the latest quarter.

Fund seriesReportFace valueValueChange in face value
NYLIM MacKay Convertible Fund NYLIM FUNDS 2026-07-31$16.0M$19.8M $6.3M
iShares Convertible Bond ETF iShares Trust 2026-07-31$14.7M$18.3M $2.2M
Calamos Market Neutral Income Fund CALAMOS INVESTMENT TRUST/IL 2026-07-31$13.7M$17.1M $0
State Street(R) SPDR(R) Bloomberg Convertible Securities ETF SPDR SERIES TRUST 2026-06-30$11.1M$13.4M $2.0M
NYLIM VP MacKay Convertible Portfolio NYLIM VP FUNDS TRUST 2026-06-30$6.8M$8.2M $5.5M
Fidelity Convertible Securities Fund Fidelity Financial Trust 2026-05-31$4.1M$4.9M $0
CALAMOS CONVERTIBLE & HIGH INCOME FUND 2026-07-31$3.0M$3.7M $0
Calamos Convertible Fund CALAMOS INVESTMENT TRUST/IL 2026-07-31$2.8M$3.4M $0
CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND 2026-07-31$2.8M$3.4M $0
Calamos Dynamic Convertible & Income Fund 2026-07-31$2.2M$2.8M $0
Invesco Convertible Securities Fund AIM Growth Series (Invesco Growth Series) 2026-06-30$2.0M$2.4M -$1.2M
Virtus Convertible & Income Fund 2026-07-31$1.7M$2.1M new
Advent Convertible & Income Fund ADVENT CONVERTIBLE & INCOME FUND 2026-07-31$1.5M$1.9M -$593K
Fidelity Strategic Dividend and Income Fund Fidelity Salem Street Trust 2026-05-31$1.6M$1.8M -$185K
Virtus Convertible & Income Fund II 2026-07-31$1.4M$1.7M new
Virtus Equity & Convertible Income Fund 2026-07-31$1.3M$1.6M new
Virtus Dividend, Interest & Premium Strategy Fund 2026-07-31$1.3M$1.6M new
Virtus Diversified Income & Convertible Fund 2026-07-31$1.0M$1.3M new
Simplify Opportunistic Income ETF Simplify Exchange Traded Funds 2026-06-30$800K$958K $0
First Trust SSI Strategic Convertible Securities ETF First Trust Exchange-Traded Fund IV 2026-07-31$461K$571K $0
Loomis Sayles Strategic Income Fund LOOMIS SAYLES FUNDS II 2026-06-30$435K$519K -$560K
Loomis Sayles Investment Grade Bond Fund LOOMIS SAYLES FUNDS II 2026-06-30$314K$375K new
American Beacon SSI Alternative Income Fund AMERICAN BEACON FUNDS 2026-06-30$231K$276K $0
BNY Mellon Core Plus Fund BNY Mellon Absolute Insight Funds, Inc. 2026-07-31$200K$248K -$100K
Harbor Ares Systematic Convertible Securities Fund HARBOR FUNDS 2026-07-31$200K$248K $100K

Largest exits in the latest quarter (fund held the bonds in its previous report, none now): Columbia Convertible Securities Fund ($5.0M), Putnam Convertible Securities Fund ($924K), Bancroft Fund Ltd ($825K), Ellsworth Growth & Income Fund Ltd ($825K), Defensive Market Strategies Fund ($603K), CALAMOS STRATEGIC TOTAL RETURN FUND ($538K), Gabelli Convertible & Income Securities Fund Inc ($440K), Calamos Growth & Income Fund ($417K), Empower High Yield Bond Fund ($326K), Voya Global Income & Growth Fund ($240K).

ETFs holding these bonds

From each ETF's own latest N-PORT report: the issuer's bonds as a share of the ETF's net assets. A holdings list, not a recommendation.

ETFReportBondsFace valueValue% of net assets
ICVT iShares Convertible Bond ETF 2026-07-311$14.7M $18.3M0.25%
CWB State Street(R) SPDR(R) Bloomberg Convertible Securities ETF 2026-06-301$11.1M $13.4M0.22%
CRDT Simplify Opportunistic Income ETF 2026-06-301$800K $958K2.64%
FCVT First Trust SSI Strategic Convertible Securities ETF 2026-07-311$461K $571K0.57%

Default risk, three ways

Stock market: distance-to-default

Distance-to-default 4.88: safer than 48% of companies (45th percentile in Healthcare). Market-implied, prices to 2026-10-16, balance sheet 2026-06-30.

Equity value$8.08B
Debt barrier (short-term + ½ long-term debt)$452.0M
Equity volatility (1 year)60.7%
Asset value / asset volatility (solved)$8.51B / 57.6%
Risk-free rate (1-year Treasury)4.28%
255891Jan 2021Sep 20262021-01-31: 912021-02-28: 912021-03-31: 902021-04-30: 902021-05-31: 902021-06-30: 902021-07-31: 862021-08-31: 862021-09-30: 902021-10-31: 912021-11-30: 892021-12-31: 872022-01-31: 862022-02-28: 842022-03-31: 852022-04-30: 852022-05-31: 822022-06-30: 822022-07-31: 862022-08-31: 852022-09-30: 852022-10-31: 842022-11-30: 842022-12-31: 852023-01-31: 822023-02-28: 812023-03-31: 802023-04-30: 812023-05-31: 822023-06-30: 832023-07-31: 832023-08-31: 822023-09-30: 822023-10-31: 822023-11-30: 352023-12-31: 392024-01-31: 422024-02-29: 432024-03-31: 392024-04-30: 382024-05-31: 392024-06-30: 402024-07-31: 422024-08-31: 392024-09-30: 352024-10-31: 372024-11-30: 272024-12-31: 302025-01-31: 322025-02-28: 302025-03-31: 272025-04-30: 252025-05-31: 272025-06-30: 282025-07-31: 252025-08-31: 292025-09-30: 332025-10-31: 342025-11-30: 462025-12-31: 512026-01-31: 522026-02-28: 532026-03-31: 562026-04-30: 602026-05-31: 392026-06-30: 412026-07-31: 432026-08-31: 502026-09-30: 48

Bond market: priced-in odds

No US-dollar bond with a yield to compute it from.

Accounts: Altman Z

Altman Z'' = 1.13 (latest balance sheet). A fundamentals cross-check; see methods for the variant used.

The stock side: 13F filings

What institutions report holding in ARWR's stock and options. Options are reported at the value of the underlying shares, not the premium paid; 13F lists long positions only, lags 45 days after quarter-end, and does not show whether puts hedge a stock position.

Quarter-endStock holdersStock valuePut managersPuts (underlying value)Call managersCalls (underlying value)Convertible holders
2026-09-30 filings still arriving 40$66.1M 0— 1$42K 3
2026-06-30 490$9.63B 13$64.7M 15$157.0M 44
2026-03-31 420$6.39B 13$54.7M 15$105.7M 42
2025-12-31 387$7.56B 9$38.8M 15$145.4M 0
2025-09-30 293$3.81B 6$9.4M 10$34.1M 0
2025-06-30 269$1.65B 12$9.5M 12$7.6M 0

Sources: fund holdings and fund-reported marks from SEC Form N-PORT (published about 60 days after each month-end); 13F filings; House and Senate periodic transaction reports and OGE Form 278-T; Treasury yields from FRED. Findings from filings, not advice. How each number is computed.

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms