Vault-13

GCT SEMICONDUCTOR HLDG INC GCTS.WS

*W EXP 03/01/202 · Equity WRT · CUSIP 36170N115

30 institutional holders +1 vs Q1 2026
11,492,44211.5m shares reported held*
$5.6mreported value*
6 new 4 added 9 reduced 4 sold out net sold ≈ $371.9k (-906.9k 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 ≈ $0.48. Options: 2 managers hold calls ($300.0k notional), 0 hold puts (—).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0204060Q1 24: 42Q2 24: 40Q3 24: 35Q4 24: 33Q1 25: 31Q2 25: 37Q3 25: 31Q4 25: 31Q1 26: 29Q2 26: 3030Q1 24Q3 24Q1 25Q3 25Q1 26Q2 26
Numbers
QuarterHolders
Q1 202442
Q2 202440
Q3 202435
Q4 202433
Q1 202531
Q2 202537
Q3 202531
Q4 202531
Q1 202629
Q2 202630

Buyers vs sellers

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

Bought or addedCut or sold out
20020Q3 24: 3 bought or addedQ3 24: 13 cut or sold outQ4 24: 4 bought or addedQ4 24: 12 cut or sold outQ4 24Q1 25: 4 bought or addedQ1 25: 9 cut or sold outQ2 25: 10 bought or addedQ2 25: 5 cut or sold outQ2 25Q3 25: 4 bought or addedQ3 25: 10 cut or sold outQ4 25: 4 bought or addedQ4 25: 9 cut or sold outQ4 25Q1 26: 3 bought or addedQ1 26: 11 cut or sold outQ2 26: 10 bought or addedQ2 26: 13 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2024313
Q4 2024412
Q1 202549
Q2 2025105
Q3 2025410
Q4 202549
Q1 2026311
Q2 20261013

Calls vs puts

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

CallsPuts
$0$100k$200k$300k$400kQ3 25 calls: $114.8kQ3 25 puts: $0Q3 25P/C 0.00Q4 25 calls: $46.1kQ4 25 puts: $0Q4 25P/C 0.00Q1 26 calls: $110.8kQ1 26 puts: $0Q1 26P/C 0.00Q2 26 calls: $300.0kQ2 26 puts: $0Q2 26P/C 0.00
Numbers
QuarterCallsPutsP/C
Q3 2025$114.8k$00.00
Q4 2025$46.1k$00.00
Q1 2026$110.8k$00.00
Q2 2026$300.0k$00.00

Biggest buyers

ARISTEIA CAPITAL, L.L.C. Added +610,700+610.7k
StoneX Group Inc. Added +517,226+517.2k
Wealthspire Advisors, LLC New +460,295+460.3k
LMR Partners LLP Added +271,652+271.7k
WOLVERINE ASSET MANAGEMENT LLC Added +214,006+214.0k
ROYAL BANK OF CANADA New +117,000+117.0k
CSS LLC/IL New +115,275+115.3k
HRT FINANCIAL LP New +62,292+62.3k
Shaolin Capital Management LLC New +62,210+62.2k
UBS Group AG New +47+47

Biggest sellers

TORONTO DOMINION BANK Reduced -1,025,562-1.0m
ZAZOVE ASSOCIATES LLC Sold out -611,744-611.7k
Ionic Capital Management LLC Reduced -486,777-486.8k
683 Capital Management, LLC Reduced -438,979-439.0k
K2 PRINCIPAL FUND, L.P. Reduced -298,797-298.8k
GLAZER CAPITAL, LLC Reduced -179,417-179.4k
Sculptor Capital LP Reduced -73,910-73.9k
Polar Asset Management Partners Inc. Sold out -64,611-64.6k
Diametric Capital, LP Sold out -53,845-53.8k
Saba Capital Management, L.P. Reduced -50,000-50.0k

Biggest calls

MILLENNIUM MANAGEMENT LLC Unchanged $216.8k442.5k shares
CITIGROUP INC Unchanged $83.2k169.8k shares

Biggest puts

None

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.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 TORONTO DOMINION BANK 0.00% of their portfolio TORONTO, ONTARIO, A6 2,426,5332.4m $1.2m $1.2m 0.00% Reduced -1.0m -1,025,562
2 ARISTEIA CAPITAL, L.L.C. 0.02% of their portfolio GREENWICH, CT 2,068,3772.1m $1.0m $1.0m 0.02% Added +610.7k +610,700
3 LMR Partners LLP 0.01% of their portfolio LONDON, X0 1,915,9891.9m $938.8k $938.8k 0.01% Added +271.7k +271,652
4 Saba Capital Management, L.P. 0.01% of their portfolio NEW YORK, NY 660,648660.6k $330.3k $330.3k 0.01% Reduced -50.0k -50,000
5 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 575,000575.0k $281.8k $281.8k 0.00% Unchanged
6 StoneX Group Inc. 0.01% of their portfolio NEW YORK, NY 545,186545.2k $176.8k $176.8k 0.01% Added +517.2k +517,226
7 Wealthspire Advisors, LLC 0.00% of their portfolio NEW YORK, NY 460,295460.3k $225.5k $225.5k 0.00% New
8 Sculptor Capital LP 0.00% of their portfolio New York, NY 419,090419.1k $205.4k $205.4k 0.00% Reduced -73.9k -73,910
9 K2 PRINCIPAL FUND, L.P. 0.01% of their portfolio TORONTO, A6 284,294284.3k $139.3k $139.3k 0.01% Reduced -298.8k -298,797
10 WOLVERINE ASSET MANAGEMENT LLC 0.00% of their portfolio CHICAGO, IL 229,045229.0k $112.2k $112.2k 0.00% Added +214.0k +214,006
11 Calamos Advisors LLC 0.00% of their portfolio NAPERVILLE, IL 225,000225.0k $110.2k $110.2k 0.00% Unchanged
12 Ionic Capital Management LLC 0.09% of their portfolio NEW YORK, NY 186,223186.2k $91.2k $91.2k 0.09% Reduced -486.8k -486,777
13 Context Capital Management, LLC 0.00% of their portfolio LAJOLLA, CA 172,160172.2k $84.4k $84.4k 0.00% Unchanged
14 683 Capital Management, LLC 0.01% of their portfolio NEW YORK, NY 127,202127.2k $62.3k $62.3k 0.01% Reduced -439.0k -438,979
15 TENOR CAPITAL MANAGEMENT Co., L.P. 0.00% of their portfolio NEW YORK, NY 125,000125.0k $61.2k $61.2k 0.00% Unchanged
16 MOORE CAPITAL MANAGEMENT, LP 0.00% of their portfolio NEW YORK, NY 125,000125.0k $61.2k $61.2k 0.00% Unchanged
17 Liberty Mutual Group Asset Management Inc. 0.01% of their portfolio Boston, MA 125,000125.0k $61.2k $61.2k 0.01% Unchanged
18 Greenland Capital Management LP 0.01% of their portfolio NEW YORK, NY 117,048117.0k $57.4k $57.4k 0.01% Unchanged
19 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 117,000117.0k $57.0k $57.0k 0.00% New
20 CSS LLC/IL 0.00% of their portfolio CHICAGO, IL 115,275115.3k $56.5k $56.5k 0.00% New
21 Clear Street Group Inc. 0.00% of their portfolio NEW YORK, NY 100,100100.1k $49.0k $49.0k 0.00% Reduced -36.8k -36,783
22 DUPONT CAPITAL MANAGEMENT CORP 1.69% of their portfolio Wilmington, DE 75,00075.0k $36.8k $36.8k 1.69% Unchanged
23 Bracebridge Capital, LLC 0.01% of their portfolio BOSTON, MA 75,00075.0k $36.8k $36.8k 0.01% Unchanged
24 HRT FINANCIAL LP 0.00% of their portfolio NEW YORK, NY 62,29262.3k $30.0k $30.0k 0.00% New
25 Shaolin Capital Management LLC 0.00% of their portfolio Miami, FL 62,21062.2k $30.5k $30.5k 0.00% New
26 GLAZER CAPITAL, LLC 0.00% of their portfolio New York, NY 30,00030.0k $15.0k $15.0k 0.00% Reduced -179.4k -179,417
27 BOUSSARD & GAVAUDAN GESTION SAS 0.00% of their portfolio PARIS, I0 25,00025.0k $12.3k $12.3k 0.00% First filing
28 Virtu Financial LLC 0.00% of their portfolio New York, NY 22,69422.7k $11.0k $11.0k 0.00% Reduced -6.8k -6,814
29 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 20,73420.7k $10.2k $10.2k 0.00% Unchanged
30 UBS Group AG 0.00% of their portfolio ZURICH, V8 4747 $23 $23 0.00% New