Concord Acq Class A -CW28GCTS.WSPreferred / convertible

13F holders, Q2 2025 (June 30)
35holders +6
7new positions
1sold out
1famous investor
$0.10avg. 13F price*

At the end of Q2 2025, 35 institutions reported holding Concord Acq Class A -CW28 (GCTS.WS) in their 13F filings, up 6 from Q1 2025. 7 opened new positions and 1 sold out. The largest holders were Toronto Dominion Bank ($343K), LMR Partners LLP ($159K) and 683 Capital Management, LLC ($75K). One famous investor held it David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Concord Acq Class A -CW28
Filed as
GCT SEMICONDUCTOR HLDG INC (Q2 2025)
CUSIP
36170N115
Latest filing quarter
Q2 2026

History

Number of 13F holders

010203040 Q1 2024: 40Q1 2024Q2 2024: 38Q2 2024Q3 2024: 33Q3 2024Q4 2024: 31Q4 2024Q1 2025: 29Q1 2025Q2 2025: 35Q2 2025Q3 2025: 31Q3 2025Q4 2025: 31Q4 2025Q1 2026: 28Q1 2026Q2 2026: 30Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions7$392K
Exits1$11K

All 13F filers, Q1 2025 → Q2 2025: 4,746,332 shares bought and 211,813 shares sold, net +4,534,519 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 35 holders
Toronto Dominion Bank — New 3,542,589 $343K
LMR Partners LLP — Add +31.8% 1,644,337 $159K
683 Capital Management, LLC — No change 775,000 $75K
Saba Capital Management, L.P. — No change 710,648 $69K
Ionic Capital Management LLC — Add +17.4% 673,000 $65K
Zazove Associates LLC — No change 668,646 $65K
D. E. Shaw & Co. — No change 575,000 $56K
Aristeia Capital, L.L.C. — Add +60.7% 529,411 $51K
Sculptor Capital LP — No change 493,000 $48K
GM Advisory Group, LLC — New 460,295 $45K
Sandia Investment Management LP — No change 427,627 $41K
Diametric Capital, LP — No change 326,082 $32K
Calamos Advisors LLC — No change 225,000 $22K
Glazer Capital, LLC — No change 209,417 $20K
K2 Principal Fund, L.P. — No change 183,091 $18K
Context Capital Management, LLC — No change 172,160 $17K
Clear Street LLC — Reduce -0.2% 137,318 $13K
Moore Capital Management, LP — No change 125,000 $12K
Liberty Mutual Group Asset Management Inc. — No change 125,000 $12K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 125,000 $12K
Greenland Capital Management LP — No change 117,048 $11K
Shaolin Capital Management LLC — Reduce -29.8% 105,363 $10K
Quarry LP — No change 101,545 $10K
Dupont Capital Management Corp. — No change 75,000 $7K
Bracebridge Capital, LLC — No change 75,000 $7K
Wolverine Asset Management LLC — Reduce -20.1% 66,960 $6K
Polar Asset Management Partners Inc. — No change 65,375 $6K
T. Rowe Price Associates Inc. — No change 37,675 $4K
Clear Street Derivatives LLC — No change 37,267 $4K
Boussard & Gavaudan Investment Management LLP — No change 25,000 $2K
Morgan Stanley — New 20,734 $2K
Integrated Wealth Concepts LLC — New 10,367 $1K
Virtu Financial LLC — New 14,940 $1K
Bank of America Corp. — New 166 $16
UBS Group AG — New 115 $11

"% of holder's portfolio" is GCTS.WS's weight in each manager's 13F, not the share of Concord Acq Class A -CW28 the manager owns.