HOWL

Werewolf Therapeutics INC

+$2.3M

Net Activity

Institutions Holding

48

Popularity Rank

#6101

Avg Weight

0.70%

Total Value

$11.7M

Ownership Trend

48 institutions currently hold HOWL, with 16 net buyers and 24 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Majority Decreased

Based on recent trading activity

Net Selling Institutions

24

Net Buying Institutions

16

Key Holders

Key Holders

Top 5 by Value

RC
Ra Capital Management, L.p.
$5.6M
VC
Vanguard Capital Management LLC
$1.0M
MB
Mpm Bioimpact LLC
$1.0M
LC
Lynx1 Capital Management LP
$547.7K
SF
Sphera Funds Management LTD.
$521.9K

Top 5 by Conviction

DF
DC Funds, LP
33.01%
SC
Squadron Capital Management LLC
0.17%
LC
Lynx1 Capital Management LP
0.09%
MB
Mpm Bioimpact LLC
0.08%
SF
Sphera Funds Management LTD.
0.08%
View all 48 holding institutions

Quarterly Activity

Recent Activity

+$1.6M

Total Buy Value

$2.5M

Total Sell Value

New buy7
Trim12
Add9
Sold out12

16

Net Buyers

24

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

12

Filings (90d)

$155K

Total Est. Value

468K shares

Planned Shares

Last Filed 2026-07-06
FilerFiling DateEst. Value
MPM BioVentures 2014, L.P.2026-07-06$33K
MPM Oncology Innovations Fund, L.P.2026-07-06$7K
MPM Asset Management Investors BV2014 LLC2026-07-06$1K
MPM Asset Management LLC2026-07-06$5K
UBS Oncology Impact Fund, L.P.2026-07-06$27K
MPM BioVentures 2014 (B), L.P.2026-07-06$2K
MPM ONCOLOGY INNOVATIONS FUND LP2026-06-29$8K
MPM Asset Management Investors BV2014 LLC2026-06-29$1K
MPM ASSET MANAGEMENT LLC2026-06-29$5K
UBS Oncology Impact Fund L.P.2026-06-29$28K

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

Beneficial Ownership (13D/13G)

0

Active 5%+ Holders

Data as of 2026-07-02
Reporting PersonTypeFiling Date% of Class
RA Capital Management, L.P.13D/A2026-07-024.1%

View all Schedule 13D/13G filings

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding WEREWOLF THERAPEUTICS INC (HOWL)?
Major stakeholders currently include Ra Capital Management, L.p. ($5.6M), Vanguard Capital Management LLC ($1.0M), Mpm Bioimpact LLC ($1.0M). Based on the latest 13F filings, there are a total of 48 tracked investment funds and institutions maintaining positions in HOWL.
What is the overall institutional sentiment toward HOWL recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $2.3M, driven by 16 managers accumulating shares while 24 reduced their exposure.
Which institutions have been selling or reducing their HOWL positions?
In the latest period, 12 funds trimmed their holdings, and 12 managers completely exited their positions. The aggregate reported sell value was $2.5M.
Are there any notable investors adding HOWL to their portfolios?
Yes, buying activity remains notable. 7 institutions opened new positions in {ticker}, and 9 existing holders added to their shares. The total reported buy value for the quarter amounted to $1.6M.

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