Vault-13

GAIN THERAPEUTICS INC GANX

COM · Common Stock · CUSIP 36269B105

50 institutional holders +8 vs Q1 2026
9,229,4209.2m shares reported held*
21.1% of all shares outstanding*
$18.6mreported value*
12 new 15 added 9 reduced 4 sold out net bought ≈ $2.1m (+1.0m 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. Shares outstanding: 43.6m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $2.01. Options: 4 managers hold calls ($245.8k notional), 1 hold puts ($72.5k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q3 22: 24Q4 22: 22Q1 23: 23Q2 23: 25Q3 23: 25Q4 23: 25Q1 24: 27Q2 24: 29Q3 24: 20Q4 24: 26Q1 25: 34Q2 25: 36Q3 25: 38Q4 25: 48Q1 26: 42Q2 26: 5050Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202224
Q4 202222
Q1 202323
Q2 202325
Q3 202325
Q4 202325
Q1 202427
Q2 202429
Q3 202420
Q4 202426
Q1 202534
Q2 202536
Q3 202538
Q4 202548
Q1 202642
Q2 202650

Buyers vs sellers

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

Bought or addedCut or sold out
40040Q3 24: 7 bought or addedQ3 24: 15 cut or sold outQ4 24: 18 bought or addedQ4 24: 6 cut or sold outQ4 24Q1 25: 21 bought or addedQ1 25: 4 cut or sold outQ2 25: 17 bought or addedQ2 25: 9 cut or sold outQ2 25Q3 25: 23 bought or addedQ3 25: 9 cut or sold outQ4 25: 35 bought or addedQ4 25: 13 cut or sold outQ4 25Q1 26: 16 bought or addedQ1 26: 25 cut or sold outQ2 26: 27 bought or addedQ2 26: 13 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2024715
Q4 2024186
Q1 2025214
Q2 2025179
Q3 2025239
Q4 20253513
Q1 20261625
Q2 20262713

Calls vs puts

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

CallsPuts
$0$200k$400k$600kQ3 25 calls: $168.8kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $375.5kQ4 25 puts: $145.9kQ4 25P/C 0.39Q1 26 calls: $502.1kQ1 26 puts: $99.7kQ1 26P/C 0.20Q2 26 calls: $245.8kQ2 26 puts: $72.5kQ2 26P/C 0.29
Numbers
QuarterCallsPutsP/C
Q3 2025$168.8k$00.00
Q4 2025$375.5k$145.9k0.39
Q1 2026$502.1k$99.7k0.20
Q2 2026$245.8k$72.5k0.29

Biggest buyers

Cambridge Investment Research Advisors, Inc. Added +568,645+568.6k
GSA CAPITAL PARTNERS LLP Added +319,664+319.7k
MARSHALL WACE, LLP Added +153,758+153.8k
Squarepoint Ops LLC New +136,359+136.4k
CITADEL ADVISORS LLC Added +129,624+129.6k
VANGUARD CAPITAL MANAGEMENT LLC Added +80,383+80.4k
Stratos Wealth Partners, LTD. Added +68,379+68.4k
XTX Topco Ltd New +55,294+55.3k
BlackRock, Inc. Added +49,911+49.9k
COMMONWEALTH EQUITY SERVICES, LLC Added +28,753+28.8k

Biggest sellers

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -353,061-353.1k
JANE STREET GROUP, LLC Reduced -161,255-161.3k
Potomac Capital Management, Inc. Reduced -62,200-62.2k
Schonfeld Strategic Advisors LLC Sold out -24,500-24.5k
JONES FINANCIAL COMPANIES LLLP Reduced -23,023-23.0k
NORTHERN TRUST CORP Reduced -16,984-17.0k
MORGAN STANLEY Reduced -13,680-13.7k
SIMPLEX TRADING, LLC Sold out -13,439-13.4k
Kestra Advisory Services, LLC Sold out -12,000-12.0k
UBS Group AG Reduced -5,477-5.5k

Biggest calls

JANE STREET GROUP, LLC Added $84.4k41.6k shares
CITADEL ADVISORS LLC Added $82.6k40.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $58.7k28.9k shares
SIMPLEX TRADING, LLC Added $20.1k9.9k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP New $72.5k35.7k 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.

Insider purchases and sales since 1 Apr 2026

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 since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 MARSHALL WACE, LLP 0.00% of their portfolio LONDON, X0 1,923,5461.9m $3.9m $3.9m 0.00% Added +153.8k +153,758
2 Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio FAIRFIELD, IA 1,137,2901.1m $2.3m $2.3m 0.00% Added +568.6k +568,645
3 Potomac Capital Management, Inc. 1.41% of their portfolio NEW YORK, NY 946,400946.4k $1.9m $1.9m 1.41% Reduced -62.2k -62,200
4 GSA CAPITAL PARTNERS LLP 0.08% of their portfolio LONDON, X0 632,131632.1k $1.3m $1.3m 0.08% Added +319.7k +319,664
5 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 608,592608.6k $1.1m $1.1m 0.00% Reduced -23.0k -23,023
6 DME Capital Management, LP 0.03% of their portfolio New York, NY 566,130566.1k $1.1m $1.1m 0.03% Unchanged
7 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 480,269480.3k $974.9k $974.9k 0.00% Added +80.4k +80,383
8 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 453,501453.5k $921.4k $921.4k 0.00% Added +6.2k +6,159
9 BlackRock, Inc. 0.00% of their portfolio New York, NY 274,957275.0k $558.2k $558.2k 0.00% Added +49.9k +49,911
10 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 231,534231.5k $470.0k $470.0k 0.00% Added +1.6k +1,555
11 UBS Group AG 0.00% of their portfolio ZURICH, V8 215,012215.0k $436.5k $436.5k 0.00% Reduced -5.5k -5,477
12 Stratos Wealth Partners, LTD. 0.00% of their portfolio BEACHWOOD, OH 200,000200.0k $406.0k $406.0k 0.00% Added +68.4k +68,379
13 Cresset Asset Management, LLC 0.00% of their portfolio Chicago, IL 160,000160.0k $324.8k $324.8k 0.00% Unchanged
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 157,537157.5k $319.8k $319.8k 0.00% Unchanged
15 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 154,524154.5k $313.7k $313.7k 0.00% Added +129.6k +129,624
16 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 136,359136.4k $276.8k $276.8k 0.00% New
17 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 125,972126.0k $255.7k $255.7k 0.00% Reduced -13.7k -13,680
18 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 117,251117.3k $238.0k $238.0k 0.00% Added +13.0k +13,000
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 97,01397.0k $196.9k $196.9k 0.00% Reduced -17.0k -16,984
20 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 78,20678.2k $158.8k $158.8k 0.00% Reduced -353.1k -353,061
21 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 58,45658.5k $118.7k $118.7k 0.00% Added +28.8k +28,753
22 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 55,62855.6k $112.9k $112.9k 0.00% Reduced -161.3k -161,255
23 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 55,29455.3k $112.2k $112.2k 0.00% New
24 PRELUDE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio NEW YORK, NY 35,82035.8k $72.7k $72.7k 0.01% Unchanged
25 BENEDICT FINANCIAL ADVISORS INC 0.01% of their portfolio ATLANTA, GA 35,00035.0k $71.0k $71.0k 0.01% Added +19.5k +19,500
26 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 30,00430.0k $60.9k $60.9k 0.00% Unchanged
27 Apollon Wealth Management, LLC 0.00% of their portfolio MOUNT PLEASANT, SC 26,50026.5k $53.8k $53.8k 0.00% Unchanged
28 Virtu Financial LLC 0.00% of their portfolio New York, NY 21,01521.0k $43.0k $43.0k 0.00% Added +10.3k +10,330
29 Oliver Luxxe Assets LLC 0.01% of their portfolio GLADSTONE, NJ 20,25020.2k $41.1k $41.1k 0.01% Unchanged
30 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 18,37618.4k $37.3k $37.3k 0.00% Unchanged
31 HighTower Advisors, LLC 0.00% of their portfolio CHICAGO, IL 17,17417.2k $34.9k $34.9k 0.00% New
32 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 17,05617.1k $30.7k $30.7k 0.00% Added +1.5k +1,500
33 Wealthspire Advisors, LLC 0.00% of their portfolio NEW YORK, NY 16,90016.9k $34.3k $34.3k 0.00% Unchanged
34 Sandhill Capital Partners LLC 0.00% of their portfolio BUFFALO, NY 15,40015.4k $31.3k $31.3k 0.00% Unchanged
35 Millington Financial Advisors, LLC 0.01% of their portfolio NAPERVILLE, IL 15,00015.0k $25.6k $25.6k 0.01% Unchanged
36 HB Wealth Management, LLC 0.00% of their portfolio Atlanta, GA 12,78312.8k $25.9k $25.9k 0.00% New
37 TWO SIGMA SECURITIES, LLC 0.00% of their portfolio NEW YORK, NY 12,73912.7k $25.9k $25.9k 0.00% New
38 HARBOUR INVESTMENTS, INC. 0.00% of their portfolio MADISON, WI 10,74510.7k $21.8k $21.8k 0.00% New
39 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 10,60010.6k $21.5k $21.5k 0.00% Unchanged
40 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 10,00010.0k $20.3k $20.3k 0.00% New
41 Sanctuary Advisors, LLC 0.00% of their portfolio INDIANAPOLIS, IN 10,00010.0k $20.3k $20.3k 0.00% New
42 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 9,4009.4k $19.1k $19.1k 0.00% Reduced -1.6k -1,650
43 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 8,3218.3k $16.9k $16.9k 0.00% Added +2.8k +2,815
44 GROUP ONE TRADING LLC 0.00% of their portfolio CHICAGO, IL 3,8083.8k $7.7k $7.7k 0.00% Reduced -2.6k -2,596
45 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 2,0002.0k $4.1k $4.1k 0.00% New
46 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,7001.7k $3.4k $3.4k 0.00% Unchanged
47 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 1,7001.7k $3.5k $3.5k 0.00% New
48 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 1,3521.4k $2.7k $2.7k 0.00% New
49 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 165165 $335 $335 0.00% New
50 Larson Financial Group LLC 0.00% of their portfolio ST LOUIS, MO 1010 $20 $20 0.00% Unchanged