Vault-13

PROMIS NEUROSCIENCES INC PMN

COM NEW · Common Stock · CUSIP 74346M406

23 institutional holders +3 vs Q2 2025
9,993,96210.0m shares reported held*
$4.2mreported value*
8 new 4 added 2 reduced 3 sold out net bought ≈ $666.5k (+1.6m 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 ≈ $0.42.

Trends to Q3 2025

Institutional holders

Managers reporting a position, each quarter

0102030Q3 22: 14Q4 22: 14Q1 23: 13Q2 23: 14Q3 23: 15Q4 23: 16Q1 24: 17Q2 24: 17Q3 24: 19Q4 24: 19Q1 25: 18Q2 25: 20Q3 25: 2323Q3 22Q2 23Q1 24Q4 24Q3 25
Numbers
QuarterHolders
Q3 202214
Q4 202214
Q1 202313
Q2 202314
Q3 202315
Q4 202316
Q1 202417
Q2 202417
Q3 202419
Q4 202419
Q1 202518
Q2 202520
Q3 202523

Buyers vs sellers

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

Bought or addedCut or sold out
20020Q4 23: 4 bought or addedQ4 23: 1 cut or sold outQ1 24: 5 bought or addedQ1 24: 7 cut or sold outQ1 24Q2 24: 2 bought or addedQ2 24: 5 cut or sold outQ3 24: 9 bought or addedQ3 24: 4 cut or sold outQ3 24Q4 24: 2 bought or addedQ4 24: 7 cut or sold outQ1 25: 4 bought or addedQ1 25: 7 cut or sold outQ1 25Q2 25: 8 bought or addedQ2 25: 8 cut or sold outQ3 25: 12 bought or addedQ3 25: 5 cut or sold outQ3 25
Numbers
QuarterBought or addedCut or sold out
Q4 202341
Q1 202457
Q2 202425
Q3 202494
Q4 202427
Q1 202547
Q2 202588
Q3 2025125

Biggest buyers

Ally Bridge Group (NY) LLC Added +4,899,069+4.9m
ARMISTICE CAPITAL, LLC Added +836,622+836.6k
CITADEL ADVISORS LLC Added +106,650+106.7k
HRT FINANCIAL LP New +68,057+68.1k
XTX Topco Ltd New +67,687+67.7k
TWO SIGMA INVESTMENTS, LP New +18,428+18.4k
OSAIC HOLDINGS, INC. New +9,000+9.0k
UBS Group AG New +2,506+2.5k
TD Waterhouse Canada Inc. Added +807+807
North Star Investment Management Corp. New +500+500

Biggest sellers

GREAT POINT PARTNERS LLC Sold out -2,645,128-2.6m
SPHERA FUNDS MANAGEMENT LTD. Reduced -1,604,110-1.6m
Allostery Investments LP Sold out -155,720-155.7k
Kingsview Wealth Management, LLC Sold out -31,062-31.1k
ROYAL BANK OF CANADA Reduced -5,487-5.5k

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
Sclar Jeremy M. 13G · passive investor filed 2025-10-15 16.9% 9.5m 2025-10-15
ABG Management Ltd. 13D · may seek influence no change · filed 2026-02-02
Stated purposeItem 4 is amended and supplemented by the following. JANUARY 2026 SECURITIES PURCHASE AGREEMENT On January 29, 2026, Ally Bridge MedAlpha Master Fund L.P., ABG V-SIV IX Limited and ABG V-SIV X Limited (together, the "Ally Bridge Purchasers"), together with certain other investors, entered into a Securities Purchase Agreement (the "Securities Purchase Agreement") with the Issuer, pursuant to which the Issuer agreed to sell approximately $75 million in securities (the "Offering"). Pursuant to the terms of the Securities Purchase Agreement, the Ally Bridge Purchasers agreed to purchase from the Issuer an aggregate of (i) 700,741 common shares, no par value (the "Common Shares") and (ii) Common Share purchase warrants (the "Common Share Warrants") to purchase 700,741 Common Shares (the "Com… Full filing
 11.3% no change 6.1m 2026-02-02
Shaf QIC LLC 13G · passive investor filed 2025-07-31 10.0% 10.5m 2025-07-31
GREAT POINT PARTNERS LLC 13G · passive investor no change · filed 2025-11-14 10.0% no change 6.0m 2025-11-14
SPHERA FUNDS MANAGEMENT LTD. 13G · passive investor +2.3 pts · filed 2026-02-05 7.8% +2.3 pts 180.7k 2026-02-05

Fell to 5% or below in the last year: GORDON MICHAEL S (2.0%, 2026-05-07), ARMISTICE CAPITAL, LLC (0.9%, 2026-02-17)

Insider purchases and sales in Q3 2025

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.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 23: 0 buyingQ4 23: 0 sellingQ1 24: 0 buyingQ1 24: 0 sellingQ1 24Q2 24: 0 buyingQ2 24: 0 sellingQ3 24: 2 buyingQ3 24: 0 sellingQ3 24Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 1 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20230—0——
Q1 20240—0——
Q2 20240—0——
Q3 20242$268.1k0——
Q4 20240—0——
Q1 20251$14.6k0——
Q2 20250—0——
Q3 20250—0——

None reported in Q3 2025.

Holders, Q3 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Ally Bridge Group (NY) LLC 2.22% of their portfolio NEW YORK, NY 6,233,4976.2m $2.6m $2.6m 2.22% Added +4.9m +4,899,069
2 ARMISTICE CAPITAL, LLC 0.04% of their portfolio NEW YORK, NY 2,974,5183.0m $1.3m $1.3m 0.04% Added +836.6k +836,622
3 SPHERA FUNDS MANAGEMENT LTD. 0.03% of their portfolio TEL AVIV, L3 295,187295.2k $125.5k $125.5k 0.03% Reduced -1.6m -1,604,110
4 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 170,079170.1k $72.3k $72.3k 0.00% Added +106.7k +106,650
5 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 68,05768.1k $28.0k $28.0k 0.00% New
6 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 67,68767.7k $28.8k $28.8k 0.00% New
7 BANK OF MONTREAL /CAN/ 0.00% of their portfolio TORONTO, A6 30,36630.4k $13.1k $13.1k 0.00% Unchanged
8 Fiduciary Trust Co 0.00% of their portfolio Boston, MA 28,58328.6k $12.1k $12.1k 0.00% Unchanged
9 HOWARD FINANCIAL SERVICES, LTD. 0.00% of their portfolio DALLAS, TX 26,04226.0k $11.1k $11.1k 0.00% Unchanged
10 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 26,04226.0k $11.1k $11.1k 0.00% Unchanged
11 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 18,42818.4k $7.8k $7.8k 0.00% New
12 SCOTIA CAPITAL INC. 0.00% of their portfolio TORONTO, A6 12,12212.1k $5.2k $5.2k 0.00% Unchanged
13 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 11,44711.4k $5.0k $5.0k 0.00% Unchanged
14 Claret Asset Management Corp 0.00% of their portfolio MONTREAL, A8 11,33011.3k $5.0k $5.0k 0.00% Unchanged
15 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 9,0009.0k $4.8k $4.8k 0.00% New
16 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 5,4875.5k $2.0k $2.0k 0.00% Reduced -5.5k -5,487
17 UBS Group AG 0.00% of their portfolio ZURICH, V8 2,5062.5k $1.1k $1.1k 0.00% New
18 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 1,6661.7k $708 $708 0.00% Unchanged
19 TD Waterhouse Canada Inc. 0.00% of their portfolio TORONTO, A6 940940 $422 $422 0.00% Added +807 +807
20 North Star Investment Management Corp. 0.00% of their portfolio CHICAGO, IL 500500 $212 $212 0.00% New
21 Federation des caisses Desjardins du Quebec 0.00% of their portfolio LEVIS, A8 254254 $106 $106 0.00% New
22 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 136136 $58 $58 0.00% New
23 NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio MONTREAL, A8 8888 $37 $37 0.00% Unchanged