Here are the highest paid CEOs in the S&P 500 index for 2018, as calculated by The Associated Press and Equilar, an executive data firm.

The AP’s compensation study covered 340 executives at S&P 500 companies who have served at least two full consecutive fiscal years at their respective companies, which filed proxy statements between Jan. 1 and April 30. Some companies with highly paid CEOs do not fit these criteria.

Pay for chief executives rose to a median of $12 million last year, including salary, stock and other compensation. Median means half were larger, and half were smaller.

FILE - In this March 13, 2017, file photo, The Walt Disney Company CEO Robert Iger attends a special screening of Disney's
FILE – In this March 13, 2017, file photo, The Walt Disney Company CEO Robert Iger attends a special screening of Disney’s “Beauty and the Beast” at Alice Tully Hall in New York. Iger was the second-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $65.6 million. (Photo by Evan Agostini/Invision/AP, File)

Compensation often includes stock and option grants that the CEO may not receive for years unless certain performance measures are met. For some companies, big raises occur when CEOs get a stock or option grant in one year as part of a multi-year grant.

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1. David Zaslav

This May 23, 2019, photo shows the logo for the Jefferies Financial Group in New York. CEO Richard Handler was the third-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $44.7 million. (AP Photo/Richard Drew)
This May 23, 2019, photo shows the logo for the Jefferies Financial Group in New York. CEO Richard Handler was the third-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $44.7 million. (AP Photo/Richard Drew)

Discovery

$129.5 million

Change from last year: 207%

In this undated photo provided by Hologic, Inc. company CEO Stephen MacMillan poses for a photo. MacMillan was the fourth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $42 million. (Hologic, Inc via AP)
In this undated photo provided by Hologic, Inc. company CEO Stephen MacMillan poses for a photo. MacMillan was the fourth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $42 million. (Hologic, Inc via AP)

His pay vs typical company worker: 1,511 times, up from 522

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2. Robert Iger

In this undated image provided by Align Technology company CEO Joseph Hogan poses for a photo. was the fifth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $41.8 million. (Align Technology via AP)
In this undated image provided by Align Technology company CEO Joseph Hogan poses for a photo. was the fifth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $41.8 million. (Align Technology via AP)

Walt Disney

$65.6 million

Change from last year: 81%

In this undated image provided by PayPal company CEO Daniel Schulman poses for a photo. Schulman was the sixth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $37.8 million. (PayPal via AP)
In this undated image provided by PayPal company CEO Daniel Schulman poses for a photo. Schulman was the sixth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $37.8 million. (PayPal via AP)

His pay vs typical company worker: 1,424 times

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3. Richard Handler

FILE - In this Feb. 28, 2017, file photo, Netflix Founder and CEO Reed Hastings smiles during an interview in Barcelona, Spain. Hastings was the seventh-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $36.1 million. (AP Photo/Manu Fernandez, File)
FILE – In this Feb. 28, 2017, file photo, Netflix Founder and CEO Reed Hastings smiles during an interview in Barcelona, Spain. Hastings was the seventh-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $36.1 million. (AP Photo/Manu Fernandez, File)

Jefferies Financial Group

$44.7 million

Change from last year: 105%

FILE - In this Dec. 8, 2015, file photo, Comcast chairman and CEO Brian Roberts speaks at the conference
FILE – In this Dec. 8, 2015, file photo, Comcast chairman and CEO Brian Roberts speaks at the conference “Ignition: Future of Digital,” in New York. Roberts was the eighth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $35 million. (AP Photo/Mark Lennihan, File)

His pay vs typical company worker: 298 times, down from 489

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4. Stephen MacMillan

In this undated photo provided by Activision Blizzard company CEO Bobby Kotick poses for a photo. Kotick the ninth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $30.8 million. (Activision Blizzard via AP)
In this undated photo provided by Activision Blizzard company CEO Bobby Kotick poses for a photo. Kotick the ninth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $30.8 million. (Activision Blizzard via AP)

Hologic

$42 million

Change from last year: 275%

FILE - In this April 10, 2019, file photo JPMorgan Chase chairman and CEO Jamie Dimon testifies before the House Financial Services Committee during a hearing on Capitol Hill in Washington. Dimon was the tenth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $30 million. (AP Photo/Patrick Semansky, File)
FILE – In this April 10, 2019, file photo JPMorgan Chase chairman and CEO Jamie Dimon testifies before the House Financial Services Committee during a hearing on Capitol Hill in Washington. Dimon was the tenth-highest paid CEO at big U.S. companies for 2018, as calculated by The Associated Press and Equilar, an executive data firm. He made $30 million. (AP Photo/Patrick Semansky, File)

His pay vs typical company worker: 478 times

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5. Joseph Hogan

Align Technology

$41.8 million

Change from last year: 256%

His pay vs typical company worker: 3,168 times, up from 920

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6. Daniel Schulman

PayPal

$37.8 million.

Change from last year: 96%

His pay vs typical company worker: 543 times, up from 274

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7. Reed Hastings

Netflix

$36.1 million

Change from last year: 48%

His pay vs typical company worker: 178 times, up from 133

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8. Brian Roberts

Comcast

$35 million

Change from last year: 8%

His pay vs typical company worker: 426 times, down from 458

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9. Robert Kotick

Activision Blizzard

$30.8 million

Change from last year: 7%

His pay vs typical company worker: 319 times, up from 306

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10. James Dimon

JPMorgan Chase

$30 million

Change from last year: 6%

His pay vs typical company worker: 381 times, up from 364