Vault-13

IMMUNOGEN INC IMGN

COM · Common Stock · CUSIP 45253H101 · ISIN US45253H1014

3 institutional holders -327 vs Q4 2023
893893 shares reported held*
$27.8kreported value*
1 new 0 added 1 reduced 319 sold out net sold ≈ $7.7bn (-247.5m 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. Implied quarter-end price ≈ $31.09.

Trends to Q1 2024

Institutional holders

Managers reporting a position, each quarter

0200400Q3 22: 222Q4 22: 204Q1 23: 192Q2 23: 267Q3 23: 278Q4 23: 330Q1 24: 33Q3 22Q1 23Q3 23Q1 24
Numbers
QuarterHolders
Q3 2022222
Q4 2022204
Q1 2023192
Q2 2023267
Q3 2023278
Q4 2023330
Q1 20243

Buyers vs sellers

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

Bought or addedCut or sold out
4000400Q4 22: 91 bought or addedQ4 22: 112 cut or sold outQ4 22Q1 23: 84 bought or addedQ1 23: 87 cut or sold outQ1 23Q2 23: 166 bought or addedQ2 23: 98 cut or sold outQ2 23Q3 23: 165 bought or addedQ3 23: 106 cut or sold outQ3 23Q4 23: 174 bought or addedQ4 23: 171 cut or sold outQ4 23Q1 24: 1 bought or addedQ1 24: 320 cut or sold outQ1 24
Numbers
QuarterBought or addedCut or sold out
Q4 202291112
Q1 20238487
Q2 202316698
Q3 2023165106
Q4 2023174171
Q1 20241320

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$100m$200m$300mQ2 23 calls: $69.3mQ2 23 puts: $35.8mQ2 23P/C 0.52Q3 23 calls: $55.1mQ3 23 puts: $33.2mQ3 23P/C 0.60Q4 23 calls: $225.2mQ4 23 puts: $137.6mQ4 23P/C 0.61Q1 24 calls: $0Q1 24 puts: $0Q1 24P/C —
Numbers
QuarterCallsPutsP/C
Q2 2023$69.3m$35.8m0.52
Q3 2023$55.1m$33.2m0.60
Q4 2023$225.2m$137.6m0.61
Q1 2024$0$0—

Biggest buyers

MATHER GROUP, LLC. New +62+62

Biggest sellers

VANGUARD GROUP INC Sold out -25,466,950-25.5m
RA CAPITAL MANAGEMENT, L.P. Sold out -23,750,601-23.8m
BlackRock Inc. Sold out -21,824,392-21.8m
Redmile Group, LLC Sold out -16,423,922-16.4m
JANUS HENDERSON GROUP PLC Sold out -11,043,986-11.0m
MORGAN STANLEY Sold out -8,218,354-8.2m
STATE STREET CORP Sold out -8,075,671-8.1m
Fairmount Funds Management LLC Sold out -5,929,592-5.9m
Pentwater Capital Management LP Sold out -5,662,500-5.7m
GEODE CAPITAL MANAGEMENT, LLC Sold out -5,382,875-5.4m

Holders, Q1 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 830830 $25.9k $25.9k 0.00% Unchanged
2 MATHER GROUP, LLC. 0.00% of their portfolio CHICAGO, IL 6262 $1.8k $1.8k 0.00% New
3 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 11 $31 $31 0.00% Reduced -58 -58