Vault-13

HILLEVAX INC

COM · Common Stock · CUSIP 43157M102

1 institutional holders -74 vs Q2 2025
179,184179.2k shares reported held*
$0reported value*
0 new 1 added 0 reduced 73 sold out net sold ≈ $82.5m (-41.4m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.

Trends to Q3 2025

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 51Q4 22: 56Q1 23: 62Q2 23: 55Q3 23: 69Q4 23: 70Q1 24: 82Q2 24: 95Q3 24: 80Q4 24: 77Q1 25: 82Q2 25: 75Q3 25: 11Q3 22Q2 23Q1 24Q4 24Q3 25
Numbers
QuarterHolders
Q3 202251
Q4 202256
Q1 202362
Q2 202355
Q3 202369
Q4 202370
Q1 202482
Q2 202495
Q3 202480
Q4 202477
Q1 202582
Q2 202575
Q3 20251

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q4 23: 46 bought or addedQ4 23: 21 cut or sold outQ1 24: 41 bought or addedQ1 24: 28 cut or sold outQ1 24Q2 24: 66 bought or addedQ2 24: 23 cut or sold outQ3 24: 46 bought or addedQ3 24: 55 cut or sold outQ3 24Q4 24: 40 bought or addedQ4 24: 27 cut or sold outQ1 25: 30 bought or addedQ1 25: 34 cut or sold outQ1 25Q2 25: 32 bought or addedQ2 25: 52 cut or sold outQ3 25: 1 bought or addedQ3 25: 73 cut or sold outQ3 25
Numbers
QuarterBought or addedCut or sold out
Q4 20234621
Q1 20244128
Q2 20246623
Q3 20244655
Q4 20244027
Q1 20253034
Q2 20253252
Q3 2025173

Biggest buyers

XTX Topco Ltd Added +136,431+136.4k

Biggest sellers

Frazier Life Sciences Management, L.P. Sold out -10,617,062-10.6m
TAKEDA PHARMACEUTICAL CO LTD Sold out -6,724,000-6.7m
TANG CAPITAL MANAGEMENT LLC Sold out -4,920,000-4.9m
EcoR1 Capital, LLC Sold out -2,420,243-2.4m
LIGHTSPEED MANAGEMENT COMPANY, L.L.C. Sold out -2,303,871-2.3m
FRANKLIN RESOURCES INC Sold out -1,953,642-2.0m
DEERFIELD MANAGEMENT COMPANY, L.P. Sold out -1,882,654-1.9m
Carlyle Group Inc. Sold out -1,838,486-1.8m
VANGUARD GROUP INC Sold out -1,451,205-1.5m
Balyasny Asset Management L.P. Sold out -976,297-976.3k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

No one currently above 5% in the filings since 19 Dec 2024.

Fell to 5% or below in the last year: EcoR1 Capital, LLC (0.0%, 2025-11-14)

Holders, Q3 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 179,184179.2k $0 $0 0.00% Added +136.4k +136,431