Vault-13

I MAB NBP

SPONSORED ADS · ADR · CUSIP 44975P103 · ISIN US44975P1030

48 institutional holders -1 vs Q2 2023
15,251,37315.3m shares reported held*
$20.1mreported value*
12 new 9 added 14 reduced 12 sold out net sold ≈ $4.3m (-3.3m 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 ≈ $1.32. Options: 3 managers hold calls ($11.1k notional), 3 hold puts ($17.8k).

Trends to Q3 2023

Institutional holders

Managers reporting a position, each quarter

050100Q3 22: 76Q4 22: 69Q1 23: 54Q2 23: 49Q3 23: 4848Q3 22Q4 22Q1 23Q2 23Q3 23
Numbers
QuarterHolders
Q3 202276
Q4 202269
Q1 202354
Q2 202349
Q3 202348

Buyers vs sellers

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

Bought or addedCut or sold out
50050Q4 22: 29 bought or addedQ4 22: 35 cut or sold outQ4 22Q1 23: 14 bought or addedQ1 23: 42 cut or sold outQ1 23Q2 23: 16 bought or addedQ2 23: 26 cut or sold outQ2 23Q3 23: 21 bought or addedQ3 23: 26 cut or sold outQ3 23
Numbers
QuarterBought or addedCut or sold out
Q4 20222935
Q1 20231442
Q2 20231626
Q3 20232126

Calls vs puts

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

CallsPuts
$0$50k$100k$150kQ4 22 calls: $134.1kQ4 22 puts: $16.7kQ4 22P/C 0.12Q1 23 calls: $117.9kQ1 23 puts: $31.1kQ1 23P/C 0.26Q2 23 calls: $29.0kQ2 23 puts: $27.5kQ2 23P/C 0.95Q3 23 calls: $11.1kQ3 23 puts: $17.8kQ3 23P/C 1.60
Numbers
QuarterCallsPutsP/C
Q4 2022$134.1k$16.7k0.12
Q1 2023$117.9k$31.1k0.26
Q2 2023$29.0k$27.5k0.95
Q3 2023$11.1k$17.8k1.60

Biggest buyers

MILLENNIUM MANAGEMENT LLC New +554,746+554.7k
MORGAN STANLEY Added +544,491+544.5k
ACADIAN ASSET MANAGEMENT LLC New +128,299+128.3k
JANE STREET GROUP, LLC New +127,241+127.2k
TWO SIGMA INVESTMENTS, LP Added +116,695+116.7k
Diametric Capital, LP Added +98,726+98.7k
TWO SIGMA ADVISERS, LP Added +96,200+96.2k
GSA CAPITAL PARTNERS LLP Added +66,160+66.2k
SUSQUEHANNA INTERNATIONAL GROUP, LLP New +50,169+50.2k
CANADA PENSION PLAN INVESTMENT BOARD New +46,042+46.0k

Biggest sellers

VANGUARD GROUP INC Sold out -2,115,277-2.1m
BlackRock Inc. Reduced -1,335,361-1.3m
BANK OF AMERICA CORP /DE/ Reduced -639,224-639.2k
STATE STREET CORP Reduced -407,107-407.1k
RENAISSANCE TECHNOLOGIES LLC Reduced -182,508-182.5k
Handelsbanken Fonder AB Sold out -120,502-120.5k
JPMORGAN CHASE & CO Reduced -119,479-119.5k
California Public Employees Retirement System Sold out -106,938-106.9k
GOLDMAN SACHS GROUP INC Reduced -53,162-53.2k
NOMURA HOLDINGS INC Reduced -46,000-46.0k

Biggest calls

CITADEL ADVISORS LLC Reduced $11.1k8.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares
SIMPLEX TRADING, LLC New $0300 shares

Biggest puts

CITADEL ADVISORS LLC Added $16.8k12.7k shares
SIMPLEX TRADING, LLC New $1.0k800 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
Everest Medicines Ltd 13D · may seek influence new · filed 2025-08-05
Stated purposeThe information set forth in or incorporated by reference in Item 3 of this Schedule 13D is incorporated by reference in its entirety into this Item 4. The Reporting Person purchased the aforementioned securities for investment purposes with the aim of increasing the value of its investments and the Issuer. Subject to applicable legal requirements, the Reporting Person may purchase additional securities of the Issuer from time to time in open market or private transactions, depending on its evaluation of the Issuer's business, prospects and financial condition, the market for the Issuer's securities, other developments concerning the Issuer, the reaction of the Issuer to the Reporting Person's ownership of the Issuer's securities, other opportunities available to the Reporting Person, and… Full filing
16.1% new 42.5m 2025-08-05
CBC Investment I-Mab Ltd 13D · may seek influence +1.1 pts · filed 2026-02-03 11.5% +1.1 pts 30.5m 2026-02-03

Insider purchases and sales in Q3 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 Q3 2023.

Holders, Q3 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 HHLR ADVISORS, LTD. 0.20% of their portfolio GRAND CAYMAN, E9 6,909,2206.9m $9.1m $9.1m 0.20% Unchanged
2 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 988,681988.7k $1.3m $1.3m 0.00% Added +544.5k +544,491
3 Artal Group S.A. 0.05% of their portfolio LUXEMBOURG, N4 850,000850.0k $1.1m $1.1m 0.05% Unchanged
4 BlackRock Inc. 0.00% of their portfolio New York, NY 723,280723.3k $954.7k $954.7k 0.00% Reduced -1.3m -1,335,361
5 Temasek Holdings (Private) Ltd 0.00% of their portfolio SINGAPORE, U0 566,650566.6k $748.0k $748.0k 0.00% Unchanged
6 UBS Group AG 0.00% of their portfolio ZURICH, V8 558,553558.6k $737.3k $737.3k 0.00% Added +20.9k +20,894
7 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 554,746554.7k $732.3k $732.3k 0.00% New
8 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 477,895477.9k $630.8k $630.8k 0.00% Reduced -119.5k -119,479
9 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 464,726464.7k $613.4k $613.4k 0.00% Added +116.7k +116,695
10 TWO SIGMA ADVISERS, LP 0.00% of their portfolio NEW YORK, NY 411,500411.5k $543.2k $543.2k 0.00% Added +96.2k +96,200
11 NOMURA HOLDINGS INC 0.01% of their portfolio TOKYO, M0 397,085397.1k $524.2k $524.2k 0.01% Reduced -46.0k -46,000
12 INTERNATIONAL BIOTECHNOLOGY TRUST PLC 0.14% of their portfolio London, X0 310,499310.5k $409.9k $409.9k 0.14% Unchanged
13 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 241,371241.4k $318.6k $318.6k 0.00% Reduced -53.2k -53,162
14 EDBI Pte Ltd 0.32% of their portfolio SINGAPORE, U0 222,136222.1k $293.2k $293.2k 0.32% Unchanged
15 GSA CAPITAL PARTNERS LLP 0.02% of their portfolio LONDON, X0 195,546195.5k $258.0k $258.0k 0.02% Added +66.2k +66,160
16 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 128,299128.3k $168.0k $168.0k 0.00% New
17 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 127,241127.2k $168.0k $168.0k 0.00% New
18 Diametric Capital, LP 0.07% of their portfolio BOSTON, MA 122,953123.0k $162.3k $162.3k 0.07% Added +98.7k +98,726
19 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 112,467112.5k $148.5k $148.5k 0.00% Unchanged
20 MASO CAPITAL PARTNERS Ltd 0.07% of their portfolio HONG KONG, K3 100,000100.0k $132.0k $132.0k 0.07% Unchanged
21 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 99,52599.5k $131.4k $131.4k 0.00% Reduced -407.1k -407,107
22 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 84,16284.2k $111.1k $111.1k 0.00% Added +9.2k +9,225
23 Alberta Investment Management Corp 0.00% of their portfolio EDMONTON, A0 74,72374.7k $98.6k $98.6k 0.00% Unchanged
24 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 63,80063.8k $84.0k $84.0k 0.00% Reduced -182.5k -182,508
25 ALPS ADVISORS INC 0.00% of their portfolio Denver, CO 60,40060.4k $79.7k $79.7k 0.00% Reduced -933 -933
26 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 50,16950.2k $66.2k $66.2k 0.00% New
27 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 46,04246.0k $60.8k $60.8k 0.00% New
28 PRELUDE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio NEW YORK, NY 39,47139.5k $52.1k $52.1k 0.00% New
29 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 38,99839.0k $51.5k $51.5k 0.00% Reduced -639.2k -639,224
30 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 36,12336.1k $47.7k $47.7k 0.00% Unchanged
31 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 34,34734.3k $45.3k $45.3k 0.00% Reduced -213 -213
32 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 28,11828.1k $37.1k $37.1k 0.00% Added +20.5k +20,473
33 Centiva Capital, LP 0.00% of their portfolio New York, NY 25,92325.9k $34.2k $34.2k 0.00% New
34 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 23,63923.6k $31.2k $31.2k 0.00% New
35 PINEBRIDGE INVESTMENTS, L.P. 0.00% of their portfolio NEW YORK, NY 23,57023.6k $31.1k $31.1k 0.00% New
36 Virtu Financial LLC 0.00% of their portfolio New York, NY 14,58814.6k $19.0k $19.0k 0.00% New
37 EXCHANGE TRADED CONCEPTS, LLC 0.00% of their portfolio Oklahoma City, OK 12,89812.9k $17.0k $17.0k 0.00% Unchanged
38 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 12,56112.6k $16.6k $16.6k 0.00% New
39 Headlands Technologies LLC 0.00% of their portfolio CHICAGO, IL 7,3947.4k $9.8k $9.8k 0.00% New
40 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 3,7763.8k $5.0k $5.0k 0.00% Unchanged
41 China Universal Asset Management Co., Ltd. 0.00% of their portfolio SHANGHAI, F4 1,7891.8k $2.4k $2.4k 0.00% Added +886 +886
42 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 1,6451.6k $2.0k $2.0k 0.00% Reduced -14 -14
43 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 1,5921.6k $2.1k $2.1k 0.00% Reduced -44.3k -44,263
44 Legal & General Group Plc 0.00% of their portfolio London, X0 1,1911.2k $1.6k $1.6k 0.00% Reduced -5.1k -5,068
45 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 1,0201.0k $1.0k $1.0k 0.00% Reduced -561 -561
46 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 917917 $1.2k $1.2k 0.00% Reduced -23.2k -23,224
47 Daiwa Securities Group Inc. 0.00% of their portfolio CHIYODA-KU,TOKYO, M0 144144 $0 $0 0.00% Unchanged
48 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged