Concord Acq Class A -CW28GCTS.WSPreferred / convertible

13F holders, Q1 2025 (March 31)
29holders −2
1new positions
3sold out
1famous investor
$0.07avg. 13F price*

At the end of Q1 2025, 29 institutions reported holding Concord Acq Class A -CW28 (GCTS.WS) in their 13F filings, down 2 from Q4 2024. 1 opened new positions and 3 sold out. The largest holders were LMR Partners LLP ($90K), 683 Capital Management, LLC ($56K) and Saba Capital Management, L.P. ($44K). 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 (Q1 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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions1$41K
Exits3$132K

All 13F filers, Q4 2024 → Q1 2025: 1,449,150 shares bought and 1,479,203 shares sold, net −30,053 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 29 holders
LMR Partners LLP — Add +72.7% 1,247,211 $90K
683 Capital Management, LLC — Reduce -31.3% 775,000 $56K
Saba Capital Management, L.P. — No change 710,648 $44K
Zazove Associates LLC — No change 668,646 $42K
D. E. Shaw & Co. — Add +155.6% 575,000 $42K
Ionic Capital Management LLC — New 573,000 $41K
Sandia Investment Management LP — No change 427,627 $31K
Sculptor Capital LP — No change 493,000 $31K
Diametric Capital, LP — No change 326,082 $24K
Aristeia Capital, L.L.C. — Reduce -1.8% 329,411 $21K
Calamos Advisors LLC — No change 225,000 $16K
Glazer Capital, LLC — No change 209,417 $15K
K2 Principal Fund, L.P. — No change 183,091 $13K
Context Capital Management, LLC — No change 172,160 $12K
Periscope Capital Inc. — Reduce -23.1% 150,000 $11K
Shaolin Capital Management LLC — Reduce -40.0% 150,000 $11K
Clear Street LLC — Reduce -0.1% 137,618 $10K
TENOR CAPITAL MANAGEMENT Co., L.P. — No change 125,000 $9K
Moore Capital Management, LP — No change 125,000 $9K
Liberty Mutual Group Asset Management Inc. — No change 125,000 $9K
Greenland Capital Management LP — No change 117,048 $8K
Quarry LP — No change 101,545 $7K
Wolverine Asset Management LLC — Add +1.3% 83,836 $6K
Dupont Capital Management Corp. — No change 75,000 $5K
Bracebridge Capital, LLC — No change 75,000 $5K
Polar Asset Management Partners Inc. — No change 65,375 $4K
T. Rowe Price Associates Inc. — No change 37,675 $3K
Clear Street Derivatives LLC — No change 37,267 $3K
Boussard & Gavaudan Investment Management LLP — No change 25,000 $2K

"% 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.