GiveRate / All records / Forbes 400 (Sept. 2026) / Amos Hostetter, Jr.

Amos Hostetter, Jr.

≥29.7%

Amos Hostetter, Jr. has given an estimated ≥29.7% of total wealth: $1.9B in lifetime giving against a $4.5B net worth.

GiveRate

≥29.7%

Net worth

$4.5B

Stated lifetime giving

$1.9B

Forbes 400

#380 · Cable television · Boston, Massachusetts

Status

Calculated lower bound

Sources

Forbes 400 profile · Sept. 2026

The math

More than $1.9B lifetime giving (Barr Foundation grants) ÷ ($1.9B + $4.5B net worth) ≈ ≥29.7%. Forbes philanthropy score 5 of 5 (20%+ of net worth given), which agrees.

Profile

Age

89

Residence

Boston, Massachusetts

Industry

Media & Entertainment

Source of wealth

Cable television

Self-made

Yes

One-year change

$3.9B (#382) in Sept. 2025 to $4.5B (#380) in Sept. 2026, a gain of 15%.

What the range means in dollars

Forbes gives Amos Hostetter, Jr. a philanthropy score of 5 out of 5, meaning lifetime giving equals 20% or more of current net worth. On a $4.5B fortune, that implies lifetime giving of at least $900M. 13 of the 400 share this score, 370 score lower and none score higher.

For scale: 20% or more of a $50,000 household income would be $10,000 or more.

Giving on record

Amos Hostetter Jr. made a fortune in the 1990s as cable TV pioneer and now is most active in philanthropy.

From the Forbes profile (Sept. 2026).

Others in Media & Entertainment

• Rupert Murdoch & family: Under 1% · $25.0B
• Charles Ergen: Under 1% · $12.8B
• John Malone: 5–10% · $11.4B
• Gabe Newell: Under 1% · $10.2B
• David Geffen: 5–10% · $9.7B
• Steven Spielberg: 5–10% · $7.9B

Others in Massachusetts

• Abigail Johnson: Under 1% · $41.6B
• Edward Johnson, IV.: 1–5% · $16.3B
• Robert Kraft: 5–10% · $15.2B
• Elizabeth Johnson: 1–5% · $14.4B
• Jim Davis & family: 1–5% · $6.7B
• Robert Hale, Jr.: ≥6.7% · $6.5B

Questions

How much has Amos Hostetter, Jr. given to charity?

Forbes scores Amos Hostetter, Jr. 5 of 5 for philanthropy, meaning lifetime giving of 20% or more of net worth, at least $900M on a $4.5B fortune. GiveRate calculates ≥29.7% of total wealth from stated lifetime giving of $1.9B.

What is Amos Hostetter, Jr.'s net worth?

Forbes estimates $4.5B as of September 2026, ranking #380 on the Forbes 400.

What is Amos Hostetter, Jr.'s GiveRate?

≥29.7%. GiveRate is lifetime giving as a share of wealth, built from published Forbes figures. See giverate.org/methods/ for the method.

GiveRate is an estimate built only from the published figures above. Wealth and giving totals are themselves estimates. See methods. Spot an error? Request a correction. See all Forbes 400 (Sept. 2026) · Open in the interactive rankings · Calculate your own GiveRate