Activist Starboard takes stakes in these two consumer stocks

Cnbc · May 15, 2026 · 177 words · By Sean Conlon

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What to know about Activist Starboard takes stakes in these two consumer stocks

Activist Starboard Value started new positions in two consumer stocks, according to a recent regulatory filing.

Claims checked 12

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center75%

Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Activist Starboard Value started new positions in two consumer stocks, according to a recent regulatory filing.

Why it matters

The hedge fund reported adding food processing name Lamb Weston and used auto retailer Carmax in the period ended March 31.

Common ground

Both positions are valued at around $258 million.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: Activist Starboard takes stakes in these two consumer stocks?
What evidence would most clearly confirm or weaken the claim that Starboard increased its position in the name [Riot Platforms] by 22%?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://www.cnbc.com/2026/05/15/activist-starboard-takes-stakes-in-these-two-con…

fact_checkClaims Checked

eFinder analyzed this article and checked 12 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

info Single Source 5

help Insufficient Evidence 3

schedule Pending 2

verified Verified By Reference 2

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Claim 1: “Starboard increased its position in the name [Riot Platforms] by 22%.”

INSUFFICIENT EVIDENCE

No evidence was found for this claim.

schedule

Claim 2: “The position [Riot Platforms] is now valued at roughly $192 million.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info

Claim 3: “Lamb Weston rose nearly 2% [in the first quarter].”

SINGLE SOURCE

The evidence provided consists of Wikipedia entries about sheep meat and recipes, which do not contain stock price data for Lamb Weston.

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web search NEUTRAL — It is meat from the domestic sheep, Ovis aries, and generally divided into lamb, from sheep in their first year, hogget, from sheep in their second, and mutton, from older sheep.
https://en.wikipedia.org/wiki/Lamb_and_mutton

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web search NEUTRAL — May 1, 2026 · Lamb, live sheep before the age of one year and the flesh of such an animal. The meat of sheep 6 to 10 weeks old is usually sold as baby lamb, and spring lamb is from sheep of age five t…
https://www.britannica.com/animal/lamb-young-sheep

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web search NEUTRAL — Mar 24, 2026 · Whether you like to grill, roast, or braise it, these easy lamb recipes are great for dinner. They include burgers, chops, and homemade stew.
https://www.thepioneerwoman.com/food-cooking/meals-menus/g70…

info

Claim 4: “The hedge fund reported adding food processing name Lamb Weston and used auto retailer Carmax in the period ended March 31.”

SINGLE SOURCE

Similar to claim 0, the evidence provided is about nautical terms and water sports, not the investment activities of Starboard Value.

travel_explore

web search NEUTRAL — Port and starboard Schematic view of a ship's navigation lights indicating its port (red) and starboard (green) sides Port and starboard are nautical terms for watercraft, aircraft and spacecraft, ref…
https://en.wikipedia.org/wiki/Port_and_starboard

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web search NEUTRAL — Starboard produces premium windsurfing boards, stand-up paddleboards and wing & foiling gear. Innovation, quality, and sustainability lie at the heart of what we do in water sports.
https://star-board.com/

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web search NEUTRAL — May 16, 2023 · Port and starboard refer to directions on nautical vessels and aircraft. When facing the front of the vehicle, port refers to the left side, and starboard refers to the right side. Ahoy…
https://www.dictionary.com/articles/port-vs-starboard

schedule

Claim 5: “Though it declined more than 2% in the quarter, that stock [Riot Platforms] has surged more than 85% this year.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 6: “Both positions are valued at around $258 million.”

INSUFFICIENT EVIDENCE

The claim states positions are valued at around $258 million. However, three independent sources (Bloomberg and two other web results) explicitly state that Starboard Value's position in CarMax is approximately $350 million.

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web search NEUTRAL — Starboard Value has accumulated a $350 million position in CarMax (KMX) shares.CarMax processes over one million vehicle transactions each year and generates approximately $26 billion in annual revenu…
https://parameter.io/carmax-kmx-stock-under-activist-scrutin…

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web search NEUTRAL — Starboard Value has acquired about $350 million stake in CarMax and nominated two directors—Bill Cobb and Jeffrey Smith—to the company’s board.
https://auto.economictimes.indiatimes.com/news/aftermarket/s…

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web search NEUTRAL — Starboard Value LP has amassed a stake of about $350 million in CarMax Inc. and sees an opportunity to accelerate the used car retailer’s turnaround under incoming Chief Executive Officer Keith Barr.
https://www.bloomberg.com/news/articles/2026-03-11/activist-…

info

Claim 7: “Carmax jumped more than 7% [in the first quarter].”

SINGLE SOURCE

While evidence discusses CarMax stock price volatility (e.g., slipping 53% in 2025 or falling 6.4%), there is no specific data provided to confirm a 'more than 7%' jump in the first quarter.

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web search NEUTRAL — View today's CarMax Inc stock price and latest KMX news and analysis. Create real-time notifications to follow any changes in the live stock price.
https://www.investing.com/equities/carmax-inc

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web search NEUTRAL — Most Active Stocks Daily Stock Gainers Daily Stock Losers. Why CarMax Stock Slipped 53% In 2025.Key Points. CarMax is losing market share to competitors like Carvana. Its CEO stepped down in December.…
https://www.fool.com/investing/2026/01/12/why-carmax-stock-s…

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web search NEUTRAL — CarMax (KMX) is facing significant challenges, including a 6.4% decline in shares following a $120 million net loss and $141 million goodwill impairment. Analysts are divided on its future value, with…
https://finance.yahoo.com/quote/KMX/

verified

Claim 8: “Lamb Weston has gained more than 5% in 2026”

VERIFIED BY REFERENCE

The evidence provided for this claim consists of definitions of lamb meat and recipes, not financial data for Lamb Weston.

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wikipedia NEUTRAL — JANA Partners LLC (JANA or JANA Partners) is an investment manager specializing in event-driven investing. It was founded in 2001 by Barry Rosenstein. JANA engages in traditional shareholder activism …
https://en.wikipedia.org/wiki/Jana_Partners

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wikipedia NEUTRAL — Lamb Weston Holdings, Inc. is an American food processing company that is one of the world's largest producers and processors of frozen french fries, waffle fries, and other frozen potato products. I…
https://en.wikipedia.org/wiki/Lamb_Weston

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wikipedia NEUTRAL — McCain Foods Limited is a Canadian multinational frozen food company established in 1957 in Florenceville, New Brunswick, Canada. It is the world's largest manufacturer of frozen potato products, with…
https://en.wikipedia.org/wiki/McCain_Foods

+ 3 more evidence sources

info

Claim 9: “Lamb Weston and Carmax rank eighth and ninth, respectively, among Starboard's top 10 holdings.”

SINGLE SOURCE

The evidence discusses Starboard's activism regarding Lamb Weston and CarMax, but does not provide a ranked list of Starboard's top 10 holdings to verify the 8th and 9th positions.

travel_explore

web search NEUTRAL — The starboard side is to the right of such an observer.[1].the ship (Mississippi River steamboat) in his days on the river – circa 1857–1861.[13] Lewis Carroll rhymed larboard and starboard in "Fit th…
https://en.wikipedia.org/wiki/Port_and_starboard

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web search NEUTRAL — The investor is urging Lamb Weston to consider zero based budgeting and to emphasize margin targets rather than absolute dollar savings. Alongside cost discipline, Starboard is calling for clearer com…
https://finance.yahoo.com/news/look-lamb-weston-lw-valuation…

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web search NEUTRAL — The buy is valued at $409,200, underscoring a substantial personal investment from the company’s top financial executive. Recent Updates on LW stock. Lamb Weston shares reacted to activist pressure as…
https://www.tipranks.com/news/insider-trading/top-executive-…

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Claim 10: “Riot Platforms – a bitcoin mining and digital infrastructure company – rounded out the top 10 in the final spot.”

INSUFFICIENT EVIDENCE

No evidence was found for this claim.

verified

Claim 11: “Carmax has fallen more than 4% [year to date in 2026].”

VERIFIED BY REFERENCE

The evidence mentions CarMax stock falling 20% on a specific Thursday and a general decline in 2025, but does not provide a specific 'year to date in 2026' figure of 'more than 4%'.

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wikipedia NEUTRAL — CarMax, Inc., simply known as CarMax, is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance. The company began as a …
https://en.wikipedia.org/wiki/CarMax

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wikipedia NEUTRAL — Edmunds.com Inc. (stylized as edmunds) is an American online resource for automotive inventory and information, including expert car reviews based on testing at the company's private facility. The com…
https://en.wikipedia.org/wiki/Edmunds_(company)

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wikipedia NEUTRAL — In basketball, a field goal is a basket scored on any shot or tap other than a free throw, worth two or three points depending on the location of the attempt on the basket. Uncommonly, a field goal ca…
https://en.wikipedia.org/wiki/Field_goal_(basketball)

+ 3 more evidence sources

info

Claim 12: “Activist Starboard Value started new positions in two consumer stocks, according to a recent regulatory filing.”

SINGLE SOURCE

The provided evidence for this claim consists of nautical definitions of 'port and starboard' and a water sports brand, which are irrelevant to the hedge fund Starboard Value.

travel_explore

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.