PBYI

Puma Biotechnology INC

+$31.7M

Net Activity

Institutions Holding

157

Popularity Rank

#3474

Avg Weight

0.06%

Total Value

$242.5M

Ownership Trend

157 institutions currently hold PBYI, with 85 net buyers and 58 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Majority Increased

Based on recent trading activity

Net Selling Institutions

58

Net Buying Institutions

85

Key Holders

Key Holders

Top 5 by Value

AC
Acorn Capital Advisors, LLC
$26.4M
BI
BlackRock, Inc.
$23.0M
AA
Acadian Asset Management LLC
$13.0M
RT
Renaissance Technologies LLC
$12.4M
AC
American Century Companies INC
$12.2M

Top 5 by Conviction

AC
Acorn Capital Advisors, LLC
7.50%
HP
Haven Private, LLC
0.43%
GC
Globeflex Capital L P
0.34%
RR
Round Rock Advisors LLC
0.13%
KC
Kennedy Capital Management LLC
0.12%
View all 157 holding institutions

Quarterly Activity

Recent Activity

+$122.3M

Total Buy Value

$71.9M

Total Sell Value

New buy22
Trim39
Add63
Sold out19

85

Net Buyers

58

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

8

Filings (90d)

$1.09M

Total Est. Value

141K shares

Planned Shares

Last Filed 2026-07-06
FilerFiling DateEst. Value
AUERBACH ALAN H2026-07-06$364K
HUNT DOUGLAS M2026-07-06$70K
NOUGUES MAXIMO F2026-07-06$78K
Stuglik Brian M2026-06-12$59K
Senderowicz Adrian2026-06-12$196K
WILSON TROY EDWARD2026-06-12$78K
MOYES JAY M2026-06-12$160K
Dorval Allison2026-06-12$84K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding PUMA BIOTECHNOLOGY INC (PBYI)?
Major stakeholders currently include Acorn Capital Advisors, LLC ($26.4M), BlackRock, Inc. ($23.0M), Acadian Asset Management LLC ($13.0M). Based on the latest 13F filings, there are a total of 157 tracked investment funds and institutions maintaining positions in PBYI.
What is the overall institutional sentiment toward PBYI recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $31.7M, driven by 85 managers accumulating shares while 58 reduced their exposure.
Which institutions have been selling or reducing their PBYI positions?
In the latest period, 39 funds trimmed their holdings, and 19 managers completely exited their positions. The aggregate reported sell value was $71.9M.
Are there any notable investors adding PBYI to their portfolios?
Yes, buying activity remains notable. 22 institutions opened new positions in {ticker}, and 63 existing holders added to their shares. The total reported buy value for the quarter amounted to $122.3M.

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