Vault-13

IMMUNOCORE HLDGS PLC IMCR

ADS · ADR · CUSIP 45258D105 · ISIN US45258D1054

122 institutional holders +11 vs Q1 2023
35,319,57135.3m shares reported held*
$2.1bnreported value*
29 new 50 added 25 reduced 16 sold out net bought ≈ $33.4m (+557.4k 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 ($112.5k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $59.92. Options: 11 managers hold calls ($27.2m notional), 5 hold puts ($3.6m).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 86Q4 22: 105Q1 23: 111Q2 23: 122122Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 202286
Q4 2022105
Q1 2023111
Q2 2023122

Buyers vs sellers

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

Bought or addedCut or sold out
1000100Q4 22: 65 bought or addedQ4 22: 39 cut or sold outQ4 22Q1 23: 56 bought or addedQ1 23: 47 cut or sold outQ1 23Q2 23: 79 bought or addedQ2 23: 41 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 20226539
Q1 20235647
Q2 20237941

Calls vs puts

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

CallsPuts
$0$10m$20m$30mQ3 22 calls: $1.4mQ3 22 puts: $9.9mQ3 22P/C 7.11Q4 22 calls: $10.3mQ4 22 puts: $6.1mQ4 22P/C 0.60Q1 23 calls: $22.8mQ1 23 puts: $3.3mQ1 23P/C 0.14Q2 23 calls: $27.2mQ2 23 puts: $3.6mQ2 23P/C 0.13
Numbers
QuarterCallsPutsP/C
Q3 2022$1.4m$9.9m7.11
Q4 2022$10.3m$6.1m0.60
Q1 2023$22.8m$3.3m0.14
Q2 2023$27.2m$3.6m0.13

Biggest buyers

PRICE T ROWE ASSOCIATES INC /MD/ Added +1,039,980+1.0m
Fiera Capital Corp New +521,297+521.3k
RTW INVESTMENTS, LP Added +379,690+379.7k
WELLINGTON MANAGEMENT GROUP LLP Added +320,181+320.2k
NEW YORK STATE COMMON RETIREMENT FUND Added +149,754+149.8k
Paradigm Biocapital Advisors LP Added +143,868+143.9k
Artisan Partners Limited Partnership New +129,649+129.6k
TWO SIGMA INVESTMENTS, LP Added +100,486+100.5k
BANK OF AMERICA CORP /DE/ Added +96,836+96.8k
TWO SIGMA ADVISERS, LP Added +90,700+90.7k

Biggest sellers

FMR LLC Reduced -2,132,995-2.1m
Velan Capital Investment Management LP Sold out -200,000-200.0k
Avidity Partners Management LP Reduced -194,800-194.8k
VICTORY CAPITAL MANAGEMENT INC Sold out -169,851-169.9k
MILLENNIUM MANAGEMENT LLC Sold out -117,603-117.6k
D. E. Shaw & Co., Inc. Reduced -94,480-94.5k
Qube Research & Technologies Ltd Reduced -91,842-91.8k
SCHRODER INVESTMENT MANAGEMENT GROUP Reduced -82,786-82.8k
FEDERATED HERMES, INC. Sold out -74,361-74.4k
ACADIAN ASSET MANAGEMENT LLC Reduced -63,457-63.5k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $11.4m189.4k shares
JANE STREET GROUP, LLC Added $6.6m110.5k shares
MILLENNIUM MANAGEMENT LLC Unchanged $3.9m65.0k shares
UBS Group AG Reduced $1.8m30.0k shares
JPMORGAN CHASE & CO New $1.2m19.8k shares
CITADEL ADVISORS LLC Reduced $899.4k15.0k shares
CITIGROUP INC New $659.6k11.0k shares
SIMPLEX TRADING, LLC Added $581.0k9.7k shares
GROUP ONE TRADING LLC Reduced $173.9k2.9k shares
Cutler Group LLC / CA New $3.0k1.5k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $2.6m44.0k shares
CITIGROUP INC New $659.6k11.0k shares
SIMPLEX TRADING, LLC Reduced $143.0k2.4k shares
GROUP ONE TRADING LLC Added $137.9k2.3k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

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.

HolderStakeChangeShares Last filed
WELLINGTON MANAGEMENT GROUP LLP 13G · institution +1.4 pts · filed 2026-08-13 11.6% +1.4 pts 6.0m 2026-08-13
Jallal Bahija 13G · exempt (held before listing) new · filed 2025-02-14 8.2% new 4.5m 2025-02-14
PRIMECAP MANAGEMENT CO/CA/ 13G · institution +2.2 pts · filed 2025-08-14 7.5% +2.2 pts 3.8m 2025-08-14
Bellevue Group AG 13G · institution new · filed 2025-11-14 5.6% new 2.8m 2025-11-14
TANG CAPITAL MANAGEMENT LLC 13G · passive investor new · filed 2025-10-24 5.2% new 2.6m 2025-10-24

Fell to 5% or below in the last year: FMR LLC (3.6%, 2026-10-07), Vestal Point Capital, LP (3.5%, 2026-08-14), T. Rowe Price Investment Management, Inc. (3.7%, 2026-05-15)

Insider purchases and sales in Q2 2023

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported in Q2 2023.

Holders, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 RTW INVESTMENTS, LP 6.88% of their portfolio NEW YORK, NY 6,029,6336.0m $361.5m $361.5m 6.88% Added +379.7k +379,690
2 WELLINGTON MANAGEMENT GROUP LLP 0.04% of their portfolio Boston, MA 3,695,4903.7m $221.6m $221.6m 0.04% Added +320.2k +320,181
3 Rock Springs Capital Management LP 4.32% of their portfolio Baltimore, MD 3,028,4103.0m $181.6m $181.6m 4.32% Added +26.7k +26,748
4 BAKER BROS. ADVISORS LP 0.87% of their portfolio NEW YORK, NY 2,520,7312.5m $151.1m $151.1m 0.87% Unchanged
5 PRICE T ROWE ASSOCIATES INC /MD/ 0.02% of their portfolio BALTIMORE, MD 2,423,4202.4m $145.3m $145.3m 0.02% Added +1.0m +1,039,980
6 FMR LLC 0.01% of their portfolio BOSTON, MA 2,046,1072.0m $122.7m $122.7m 0.01% Reduced -2.1m -2,132,995
7 Paradigm Biocapital Advisors LP 6.16% of their portfolio NEW YORK, NY 1,270,1241.3m $76.2m $76.2m 6.16% Added +143.9k +143,868
8 GENERAL ATLANTIC, L.P. 0.90% of their portfolio New York, NY 950,000950.0k $57.0m $57.0m 0.90% Unchanged
9 PICTET ASSET MANAGEMENT SA 0.07% of their portfolio GENEVA 73, V8 941,773941.8k $56.5m $56.5m 0.07% Added +52.8k +52,822
10 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 812,622812.6k $48.7m $48.7m 0.00% Added +16.1k +16,131
11 BlackRock Inc. 0.00% of their portfolio New York, NY 792,084792.1k $47.5m $47.5m 0.00% Added +14.2k +14,158
12 Holocene Advisors, LP 0.18% of their portfolio New York, NY 693,963694.0k $41.6m $41.6m 0.18% Reduced -32.0k -31,994
13 FIRST MANHATTAN CO. LLC. 0.13% of their portfolio NEW YORK, NY 613,749613.7k $36.8m $36.8m 0.13% Unchanged
14 Bill & Melinda Gates Foundation 27.53% of their portfolio SEATTLE, WA 576,923576.9k $34.6m $34.6m 27.53% Unchanged
15 Avidity Partners Management LP 1.20% of their portfolio DALLAS, TX 575,000575.0k $34.5m $34.5m 1.20% Reduced -194.8k -194,800
16 Fiera Capital Corp 0.09% of their portfolio MONTREAL, A8 521,297521.3k $31.3m $31.3m 0.09% New
17 Logos Global Management LP 4.14% of their portfolio San Francisco, CA 500,000500.0k $30.0m $30.0m 4.14% Unchanged
18 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 483,757483.8k $29.0m $29.0m 0.02% Added +30.0k +29,953
19 BRAIDWELL LP 0.92% of their portfolio STAMFORD, CT 468,027468.0k $28.1m $28.1m 0.92% Added +41.9k +41,917
20 COWEN AND COMPANY, LLC 2.29% of their portfolio NEW YORK, NY 460,036460.0k $27.6m $27.6m 2.29% Added +54.9k +54,862
21 RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio NEW YORK, NY 447,300447.3k $26.8m $26.8m 0.04% Added +2.7k +2,700
22 ARMISTICE CAPITAL, LLC 0.64% of their portfolio NEW YORK, NY 428,000428.0k $25.7m $25.7m 0.64% Added +50.0k +50,000
23 TANG CAPITAL MANAGEMENT LLC 3.58% of their portfolio SAN DIEGO, CA 405,600405.6k $24.3m $24.3m 3.58% Unchanged
24 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio Boston, MA 361,963362.0k $21.7m $21.7m 0.01% Reduced -3.6k -3,619
25 Candriam S.C.A. 0.15% of their portfolio STRASSEN, N4 350,014350.0k $21.0m $21.0m 0.15% Added +32.3k +32,254
26 GREAT POINT PARTNERS LLC 3.57% of their portfolio Greenwich, CT 297,082297.1k $17.8m $17.8m 3.57% Added +41.7k +41,715
27 D. E. Shaw & Co., Inc. 0.02% of their portfolio New York, NY 219,959220.0k $13.2m $13.2m 0.02% Reduced -94.5k -94,480
28 Thrivent Financial for Lutherans 0.03% of their portfolio Minneapolis, MN 213,083213.1k $12.8m $12.8m 0.03% Reduced -4.0k -3,974
29 TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio NEW YORK, NY 201,131201.1k $12.1m $12.1m 0.03% Added +100.5k +100,486
30 BARCLAYS PLC 0.01% of their portfolio LONDON, X0 197,141197.1k $11.8m $11.8m 0.01% Reduced -5.8k -5,843
31 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 151,739151.7k $9.1m $9.1m 0.01% Added +149.8k +149,754
32 TD Asset Management Inc 0.01% of their portfolio Toronto, A6 143,834143.8k $8.6m $8.6m 0.01% Added +47.6k +47,581
33 Artisan Partners Limited Partnership 0.01% of their portfolio Milwaukee, WI 129,649129.6k $7.8m $7.8m 0.01% New
34 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 111,500111.5k $5.5m $5.5m 0.00% Unchanged
35 TWO SIGMA ADVISERS, LP 0.02% of their portfolio NEW YORK, NY 109,600109.6k $6.6m $6.6m 0.02% Added +90.7k +90,700
36 Allspring Global Investments Holdings, LLC 0.01% of their portfolio CHARLOTTE, NC 107,138107.1k $6.4m $6.4m 0.01% Added +7.9k +7,939
37 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 101,418101.4k $6.1m $6.1m 0.00% Added +34.9k +34,852
38 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 97,41997.4k $5.8m $5.8m 0.00% Added +96.8k +96,836
39 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 97,14597.1k $5.8m $5.8m 0.00% Added +1.4k +1,396
40 Rhenman & Partners Asset Management AB 0.56% of their portfolio Stockholm, V7 89,27889.3k $5.4m $5.4m 0.56% Reduced -42.0k -42,010
41 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 88,80488.8k $5.3m $5.3m 0.01% Added +64.7k +64,684
42 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 88,02688.0k $5.3m $5.3m 0.00% Added +47.0k +47,046
43 SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio London, X0 82,78582.8k $5.0m $5.0m 0.01% Reduced -82.8k -82,786
44 SAMSARA BIOCAPITAL, LLC 0.85% of their portfolio PALO ALTO, CA 80,96381.0k $4.9m $4.9m 0.85% Unchanged
45 Pier Capital, LLC 0.59% of their portfolio STAMFORD, CT 68,28768.3k $4.1m $4.1m 0.59% Reduced -257 -257
46 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio JUPITER, FL 65,86065.9k $3.9m $3.9m 0.02% Reduced -383 -383
47 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 61,96762.0k $3.7m $3.7m 0.01% Reduced -91.8k -91,842
48 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 61,54461.5k $3.7m $3.7m 0.00% Added +4.8k +4,814
49 Cubist Systematic Strategies, LLC 0.04% of their portfolio STAMFORD, CT 57,93757.9k $3.5m $3.5m 0.04% Added +36.5k +36,516
50 CWM, LLC 0.02% of their portfolio OMAHA, NE 55,53355.5k $3.3m $3.3m 0.02% Reduced -2.2k -2,175
51 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 53,23053.2k $3.2m $3.2m 0.00% Added +52.8k +52,834
52 VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio ATLANTA, GA 50,99051.0k $3.1m $3.1m 0.00% Added +25.9k +25,925
53 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 50,35650.4k $3.0m $3.0m 0.00% New
54 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio TORONTO, A6 45,20045.2k $2.7m $2.7m 0.01% Unchanged
55 HighVista Strategies LLC 1.21% of their portfolio BOSTON, MA 44,09444.1k $2.6m $2.6m 1.21% Added +30.9k +30,900
56 Polar Capital Holdings Plc 0.02% of their portfolio London, X0 42,33642.3k $2.5m $2.5m 0.02% New
57 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 40,85440.9k $2.4m $2.4m 0.00% Added +1.7k +1,688
58 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 0.05% of their portfolio CHICAGO, IL 40,34540.3k $2.4m $2.4m 0.05% Reduced -7.5k -7,520
59 ALPS ADVISORS INC 0.02% of their portfolio Denver, CO 37,15537.2k $2.2m $2.2m 0.02% Added +5.5k +5,476
60 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 35,87735.9k $2.2m $2.2m 0.00% Reduced -24.4k -24,445
61 Zimmer Partners, LP 0.05% of their portfolio NEW YORK, NY 35,60035.6k $2.1m $2.1m 0.05% New
62 Eschler Asset Management LLP 2.89% of their portfolio London, X0 34,00034.0k $2.0m $2.0m 2.89% Reduced -26.0k -26,000
63 Jump Financial, LLC 0.06% of their portfolio Chicago, IL 28,80028.8k $1.7m $1.7m 0.06% Reduced -3.9k -3,868
64 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 27,58727.6k $1.7m $1.7m 0.00% Reduced -14.3k -14,267
65 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 24,98025.0k $1.5m $1.5m 0.00% New
66 ADVISORY RESEARCH INC 0.19% of their portfolio CHICAGO, IL 24,46424.5k $1.5m $1.5m 0.19% Added +4.1k +4,073
67 Legal & General Group Plc 0.00% of their portfolio London, X0 23,97424.0k $1.4m $1.4m 0.00% Added +17.9k +17,920
68 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 23,73623.7k $1.4m $1.4m 0.00% Added +23.7k +23,705
69 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 18,39318.4k $1.1m $1.1m 0.00% Added +13.4k +13,371
70 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 17,34617.3k $1.0m $1.0m 0.00% Added +2.9k +2,888
71 Soleus Capital Management, L.P. 0.11% of their portfolio GREENWICH, CT 16,40016.4k $983.3k $983.3k 0.11% New
72 Orion Porfolio Solutions, LLC 0.01% of their portfolio OMAHA, NE 15,90415.9k $953.6k $953.6k 0.01% New
73 Orion Portfolio Solutions, LLC 0.01% of their portfolio Omaha, NE 15,90415.9k $953.6k $953.6k 0.01% New
74 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 15,78315.8k $946.3k $946.3k 0.00% New
75 DekaBank Deutsche Girozentrale 0.00% of their portfolio FRANKFURT, 2M 15,00015.0k $851.0k $851.0k 0.00% Unchanged
76 Robertson Stephens Wealth Management, LLC 0.06% of their portfolio San Francisco, CA 14,20014.2k $851.4k $851.4k 0.06% Reduced -1.7k -1,725
77 Allianz Asset Management GmbH 0.00% of their portfolio MUNICH, 2M 13,50013.5k $809.0k $809.0k 0.00% Added +7.6k +7,600
78 Aigen Investment Management, LP 0.10% of their portfolio NEW YORK, NY 11,81711.8k $708.5k $708.5k 0.10% Added +6.4k +6,448
79 STIFEL FINANCIAL CORP 0.00% of their portfolio ST. LOUIS, MO 10,16710.2k $609.6k $609.6k 0.00% New
80 Dalton Investments, Inc. 0.51% of their portfolio El Segundo, CA 10,00010.0k $599.6k $599.6k 0.51% Unchanged
81 Campbell & CO Investment Adviser LLC 0.09% of their portfolio BALTIMORE, MD 8,6408.6k $518.1k $518.1k 0.09% New
82 Trexquant Investment LP 0.01% of their portfolio STAMFORD, CT 8,0318.0k $481.5k $481.5k 0.01% Reduced -29.2k -29,213
83 ASSETMARK, INC 0.00% of their portfolio CONCORD, CA 7,1097.1k $426.3k $426.3k 0.00% Added +6.2k +6,223
84 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 6,7206.7k $403.0k $403.0k 0.00% Added +268 +268
85 FRED ALGER MANAGEMENT, LLC 0.00% of their portfolio NEW YORK, NY 6,5646.6k $393.6k $393.6k 0.00% Added +1.5k +1,517
86 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 6,2666.3k $375.7k $375.7k 0.00% Reduced -12.8k -12,764
87 VIRTUS ADVISERS, LLC 0.21% of their portfolio HARTFORD, CT 5,9495.9k $356.7k $356.7k 0.21% Added +722 +722
88 OPPENHEIMER ASSET MANAGEMENT INC. 0.01% of their portfolio NEW YORK, NY 5,9195.9k $354.9k $354.9k 0.01% New
89 Snowden Capital Advisors LLC 0.01% of their portfolio New York, NY 5,5195.5k $330.9k $330.9k 0.01% New
90 Nicholas Investment Partners, LP 0.02% of their portfolio RANCHO SANTA FE, CA 4,7004.7k $281.8k $281.8k 0.02% New
91 BIT Capital GmbH 0.03% of their portfolio BERLIN, 2M 4,0034.0k $240.0k $240.0k 0.03% Added +703 +703
92 BROWN ADVISORY INC 0.00% of their portfolio BALTIMORE, MD 4,0004.0k $239.8k $239.8k 0.00% New
93 PRELUDE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio NEW YORK, NY 3,9854.0k $238.9k $238.9k 0.02% New
94 JTC Employer Solutions Trustee Ltd 0.02% of their portfolio ST HELIER, Y9 3,9083.9k $234.0k $234.0k 0.02% Unchanged
95 Mariner, LLC 0.00% of their portfolio Overland Park, KS 3,7323.7k $223.3k $223.3k 0.00% New
96 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 3,6623.7k $219.6k $219.6k 0.00% Added +3.3k +3,322
97 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 3,6063.6k $186.0k $186.0k 0.00% Added +3.5k +3,506
98 OPPENHEIMER & CO INC 0.00% of their portfolio NEW YORK, NY 3,4763.5k $208.4k $208.4k 0.00% New
99 Tower Research Capital LLC (TRC) 0.01% of their portfolio NEW YORK, NY 2,5682.6k $154.0k $154.0k 0.01% Reduced -3.8k -3,820
100 EXCHANGE TRADED CONCEPTS, LLC 0.00% of their portfolio Oklahoma City, OK 2,4762.5k $148.5k $148.5k 0.00% New