PHAT

PHATHOM PHARMACEUTICALS INC

PHAT·71722W107·US·Common Stock·Healthcare - Biotechnology-Activist

PHAT (PHATHOM PHARMACEUTICALS INC) is held by 99 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($49.1M), Invesco Ltd. ($43.7M), Carlyle Group Inc. ($37.9M). Net institutional sentiment: Mixed.

99
Holders
(5 Elite)
$419.1M
Total Value
52% (101)
Consensus
53 buying - 48 selling
13F: Insider & Congress: Updated regularly
PHAT

Smart Money Verdict

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Held by 99 funds
5 elite

Who's Trading

Source dates: Price Sep 1, 2026 · Insiders Nov 5, 2025 · Activists Jul 29, 2026 · Congress none

ActivistBlackRock, Inc.BlackRock, Inc.5.5%Jul 29, 2026
ActivistMillennium Management LLCMillennium Management LLC4.2%Jul 20, 2026
ActivistMillennium Management LLCMillennium Management LLC5.3%Mar 12, 2026
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Top Holders

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Fund
Action
Shares
Value
Weight
Est. P&L
Conviction
Increased
4.5M(+11.4%)$49.1M0.0%+2.01%
33
Decreased
4M(-6.8%)$43.7M0.0%-55.41%
0
Unchanged
3.5M$37.9M0.4%+16.58%
0
Decreased
3.4M(-16.1%)$36.6M0.0%-14.23%
0
Increased
2.7M(+2.8%)$28.8M0.0%-16.88%
30
Increased
2M(+98.2%)$21.4M0.0%-16.17%
46
Increased
1.8M(+183.9%)$19.3M0.0%-19.86%
46
Increased
1.6M(+14.4%)$17.2M0.0%-16.37%
32
Increased
1.5M(+21.4%)$15.9M0.0%-16.66%
34
Decreased
1.3M(-0.9%)$14.3M0.0%-40.64%
0
Decreased
1.3M(-2.5%)$14.2M0.1%-2.10%
0
Decreased
1.1M(-35.4%)$11.4M0.0%-52.75%
0
New
1M$11.1M0.0%-15.39%
38
Increased
796,631(+19.6%)$8.6M0.0%-16.68%
33
New
709,695$7.7M0.0%-15.39%
38
Decreased
666,090(-22.6%)$7.2M0.0%-16.92%
0
Increased
519,076(+7.7%)$5.6M0.0%-21.47%
29
Increased
458,301(+10.4%)$5M0.0%-49.19%
30
Increased
419,094(+2.5%)$4.5M0.0%-45.59%
27
Unchanged
369,052$4M0.0%-31.45%
0

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PHATPHATPHATHOM PHARMACEUTICALS INC

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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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