13F institutional ownership facts

Institutions tracked

11

Reported value

$626,876.00

Reported shares

639,670

Latest filing period

Q2 2026

Top institutional holders

  1. Renaissance Technologies · $372,881 · <0.01%%
  2. Israel Englander - Millennium Management · $504,288 · <0.01%%
  3. Two Sigma Investments · $253,995 · <0.01%%
  4. Geode Capital Management · $318,553 · <0.01%%
  5. Northern Trust Corp · $68,348 · <0.01%%
  6. Larry Fink - BlackRock · $387,978 · <0.01%%

Data source and limitations

This page uses public SEC Form 13F disclosures and related institutional filing data. 13F reports are periodic disclosures and may not represent current real-time holdings.

13F Hub provides research and education data only. It does not provide personalized investment advice.

$ATNM

Institutional Holdings

11

Top Institutions

Institutional InsightPRO

Scale Distribution

MEGA

39%

LARGE

38%

MEDIUM

17%

SMALL

6%

Geographic Distribution

North America
69%
Europe
23%
Asia Pacific
14%
Other
5%

Institutional Activity

Buyers

34

Sellers

33

Holders

82

New

9

Exited

7

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Insider TradingPRO

Trading Statistics

Insider Buyers

12

Insider Sellers

33

Purchase Value

$15.5M

Role Distribution

CEO
24%
CFO
19%
Director
36%
VP
12%
Other
5%
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RatingPRO

94

A+

Overall Score

Strong institutional support with positive momentum

Rating Dimensions

Institutional Ownership
79
Recent Activity
68
Concentration
87
Momentum
81
Stability
70

Recent Actions

New

9

Increased

23

Decreased

20

Exited

6

Total

50

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