Decagon Asset Management LLP

LONDON, X0 · CIK 1950677 · 13F filing filed 2026-08-14

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

Legal entityDECAGON ASSET MANAGEMENT LLP (GB)

$501.1m reported value +30.2% vs Q1 2026

101positions

62.4%in top 10

45 new 35 added 6 reduced 18 sold out vs Q1 2026

Options: 2 call positions ($9.7m notional), 1 put positions ($13.9m notional) – listed below, not included above.

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	NORFOLK SOUTHN CORP COM NSC	NSC	184,363	$58.0m11.57%	11.57%	Reduced -31.7k	-31,677 -14.7%
2	ROKU INC COM CL A ROKU	ROKU	393,636	$54.4m10.85%	10.85%	New
3	PENUMBRA INC COM PEN	PEN	142,001	$44.8m8.95%	8.95%	Reduced -25.6k	-25,587 -15.3%
4	SELECT MED HLDGS CORP COM SEM	SEM	2,715,536	$44.8m8.95%	8.95%	New
5	BIO-TECHNE CORP COM TECH	TECH	564,664	$39.9m7.96%	7.96%	New
6	COLOMBIER ACQUISITION CORP I ORD SHS CL A CLBR	CLBR	1,672,035	$17.1m3.42%	3.42%	Added +183.8k	+183,802 12.3%
7	LIONHEART HOLDINGS SHS CL A CUB	CUB	1,500,000	$16.2m3.22%	3.22%	New
8	VIKING ACQUISITION CORP I ORD CL A NSTR	NSTR	1,330,620	$13.6m2.71%	2.71%	New
9	QUANTUM LEAP ACQUISITION COR CL A ORD SHS QLEP	QLEP	1,204,380	$12.0m2.39%	2.39%	New
10	OAKTREE ACQUISITION CORP III SHS CL A OACC	OACC	1,091,327	$11.7m2.33%	2.33%	Added +88.9k	+88,900 8.9%
11	APEX TECH ACQUISITION INC UNIT 99/99/9999 TRAD.U	TRAD.U	1,101,744	$11.2m2.23%	2.23%	Added +89.8k	+89,760 8.9%
12	HELIX ACQUISITION CORP III USD CL A ORD SHS HLXC	HLXC	1,044,766	$11.1m2.22%	2.22%	Added +245.9k	+245,875 30.8%
13	ARCHIMEDES TECH SPAC PARTNER ORD SHS ORD SHS		937,829	$10.1m2.02%	2.02%	New
14	NEW AMER ACQUISITION I CORP COM SHS CL A NWAX	NWAX	995,209	$10.1m2.02%	2.02%	Added +109.3k	+109,252 12.3%
15	GALAXYEDGE ACQUISITION CORP ORD SHS GLED	GLED	990,000	$9.8m1.96%	1.96%	New
16	BHAV ACQUISITION CORP CL A ORD SHS BHAV	BHAV	990,000	$9.8m1.96%	1.96%	New
17	QUASAREDGE ACQUISITION CORP ORD SHS QRED	QRED	990,000	$9.8m1.96%	1.96%	New
18	JAB ACQUISITION CORP I UNIT 06/05/2031 ATLQU	ATLQU	908,000	$9.1m1.82%	1.82%	New
19	STARLINK AI ACQUISITION CORP ORD SHS OTAI	OTAI	913,770	$9.0m1.81%	1.81%	New
20	GIGCAPITAL9 CORP CL A GIX	GIX	851,940	$8.5m1.69%	1.69%	Added +93.6k	+93,565 12.3%
21	DYNAMIX CORP SHS CL A DYNC	DYNC	766,533	$8.3m1.65%	1.65%	New
22	M EVO GBL ACQUISITION CORP I ORD SHS CL A MEVO	MEVO	798,398	$7.9m1.58%	1.58%	Reduced -100.0k	-100,000 -11.1%
23	PONO CAP FOUR INC CL A ORD SHS PONO	PONO	743,610	$7.4m1.48%	1.48%	New
24	KARBON CAP PARTNERS CORP ORD SHS CL A KBON	KBON	720,284	$7.3m1.45%	1.45%	Added +66.5k	+66,471 10.2%
25	ALPEX ACQUISITION CORP UNIT 06/05/2031 ALPXU	ALPXU	702,988	$7.0m1.41%	1.41%	New
26	KOCHAV DEFENSE ACQUI CO SHS CL A KCHV	KCHV	672,619	$7.0m1.39%	1.39%	Added +74.0k	+73,965 12.4%
27	PLUTONIAN ACQUISITION CORP I UNIT 99/99/9999 PLUN.U	PLUN.U	585,000	$5.9m1.18%	1.18%	New
28	METALS ACQUISITION CORP II ORD CL A MTAL	MTAL	431,397	$4.4m0.87%	0.87%	New
29	TGE VALUE CREATIVE SOLUTIONS USD CL A ORD SHS BEBE	BEBE	435,172	$4.3m0.87%	0.87%	Reduced -26.3k	-26,300 -5.7%
30	FUTURE MONEY ACQUISITION COR ORD SHS FMAC	FMAC	425,128	$4.2m0.85%	0.85%	New
31	KEYSTONE ACQUISITION CORP UNIT 05/28/2031 KEYYU	KEYYU	375,000	$3.8m0.75%	0.75%	New
32	AMPERCAP ACQUISITION CO ORD SHS APMC	APMC	351,990	$3.5m0.69%	0.69%	New
33	XFLH CAP CORP ORD SHS XFLH	XFLH	315,238	$3.1m0.63%	0.63%	Reduced -109.2k	-109,232 -25.7%
34	WEST ENCLAVE MERGER CORP ORDINARY SHARES WENC	WENC	271,780	$2.7m0.54%	0.54%	New
35	FORTUNEX ACQUISITION CORP UNIT 05/19/2031 FXACU	FXACU	163,412	$1.6m0.33%	0.33%	New
36	SPACE ASSET ACQUISITION CORP USD CL A ORD SHS SAAQ	SAAQ	154,900	$1.6m0.32%	0.32%	New
37	SYNAPTICS INC COM SYNA	SYNA	10,000	$1.2m0.25%	0.25%	New
38	ARCHIMEDES TECH SPAC PARTNER W EXP 10/15/202 W EXP 10/15/202		331,302	$725.5k0.14%	0.14%	New
39	NEWHOLD INVT CORP III W EXP 01/30/203 W EXP 01/30/203		334,030	$701.5k0.14%	0.14%	New
40	IDEA ACQUISITION CORP ORD SHS CL A IACO	IACO	64,442	$638.6k0.13%	0.13%	New
41	NEW AMER ACQUISITION I CORP *W EXP 99/99/999 NWAX.WS	NWAX.WS	482,764	$289.7k0.06%	0.06%	Added +39.8k	+39,785 9.0%
42	HALL CHADWICK ACQUISITION CO RIGHT 11/20/2030 HCACR	HCACR	985,911	$285.9k0.06%	0.06%	New
43	GSR IV ACQUISITION CORP RIGHT 08/22/2030 GSRFR	GSRFR	109,028	$262.8k0.05%	0.05%	Unchanged
44	QUASAREDGE ACQUISITION CORP RIGHT 04/15/2027 QRED-R	QRED-R	990,000	$247.5k0.05%	0.05%	New
45	KOCHAV DEFENSE ACQUI CO RIGHT 05/21/2030 KCHVR	KCHVR	1,212,059	$244.8k0.05%	0.05%	Added +133.1k	+133,057 12.3%
46	EGH ACQUISITION CORP. RIGHT 99/99/9999 EGHAR	EGHAR	646,873	$242.7k0.05%	0.05%	Unchanged
47	AXIOM INTELLIGENCE AC CORP 1 RIGHT 06/10/2030 AXINR	AXINR	613,660	$230.9k0.05%	0.05%	Added +263.7k	+263,660 75.3%
48	BHAV ACQUISITION CORP RIGHT 03/18/2031 BHAVR	BHAVR	990,000	$227.7k0.05%	0.05%	New
49	PONO CAP TWO INC *W EXP 07/31/202 SBCWW	SBCWW	944,992	$217.3k0.04%	0.04%	Unchanged
50	STARLINK AI ACQUISITION CORP RIGHT 04/30/2027 OTAI-R	OTAI-R	913,770	$201.0k0.04%	0.04%	New
51	M EVO GBL ACQUISITION CORP I *W EXP 02/18/203 MEVOW	MEVOW	504,612	$187.2k0.04%	0.04%	Added +55.4k	+55,418 12.3%
52	D BORAL ACQUISITION I CORP *W EXP 01/30/203 DBCAW	DBCAW	475,947	$180.9k0.04%	0.04%	Added +345.6k	+345,560 265.0%
53	COLOMBIER ACQUISITION CORP I *W EXP 12/31/203 CLBR.WS	CLBR.WS	208,967	$167.2k0.03%	0.03%	Added +22.9k	+22,940 12.3%
54	VIKING ACQUISITION CORP I *W EXP 11/03/203 NSTR.WS	NSTR.WS	184,650	$166.2k0.03%	0.03%	New
55	GALAXYEDGE ACQUISITION CORP RIGHT 99/99/9999 GLED-R	GLED-R	990,000	$164.3k0.03%	0.03%	New
56	GIGCAPITAL9 CORP RIGHT 12/01/2030 GIXXR	GIXXR	625,675	$162.7k0.03%	0.03%	Reduced -132.7k	-132,700 -17.5%
57	TEXAS VENTURES ACQUISITION I *W EXP 04/23/203 TVACW	TVACW	303,744	$161.0k0.03%	0.03%	Added +82.7k	+82,672 37.4%
58	EVOLUTION GLOBAL ACQUISITION *W EXP 10/22/203 EVOXW	EVOXW	404,156	$159.6k0.03%	0.03%	Added +35.2k	+35,151 9.5%
59	QUANTUM LEAP ACQUISITION COR *W EXP 03/11/202 QLEP.WS	QLEP.WS	1,204,380	$156.6k0.03%	0.03%	New
60	PONO CAP FOUR INC RIGHT 02/20/2031 PONOR	PONOR	742,310	$155.9k0.03%	0.03%	New
61	OAKTREE ACQUISITION CORP III *W EXP 09/01/203 OACCW	OACCW	162,702	$153.2k0.03%	0.03%	Unchanged
62	FUTURE MONEY ACQUISITION COR RIGHT 03/16/2031 FMACR	FMACR	850,128	$145.4k0.03%	0.03%	New
63	K&F GROWTH ACQUISITION CORP RIGHT 08/29/2031 KFIIR	KFIIR	1,116,707	$139.8k0.03%	0.03%	Added +241.8k	+241,843 27.6%
64	METALS ACQUISITION CORP II *W EXP 06/30/203 MTAL.WS	MTAL.WS	124,857	$137.3k0.03%	0.03%	New
65	TGE VALUE CREATIVE SOLUTIONS *W EXP 09/16/203 BEBE.WS	BEBE.WS	291,740	$113.7k0.02%	0.02%	Added +23.7k	+23,745 8.9%
66	BAIN CAP GSS INVT CORP *W EXP 01/01/202 BCSS.WS	BCSS.WS	158,463	$107.8k0.02%	0.02%	Added +18.0k	+18,001 12.8%
67	ACP HOLDINGS ACQUISITION COR *W EXP 03/30/203 ACGCW	ACGCW	331,299	$99.4k0.02%	0.02%	New
68	KARBON CAP PARTNERS CORP *W EXP 12/11/203 KBONW	KBONW	183,350	$99.0k0.02%	0.02%	Added +19.9k	+19,900 12.2%
69	BLACK SPADE ACQUISITION III *W EXP 99/99/999 BIII.WS	BIII.WS	234,613	$93.8k0.02%	0.02%	Added +25.8k	+25,753 12.3%
70	IRIS ACQUISITION CORP II *W EXP 08/15/203 IRAB.WS	IRAB.WS	353,187	$88.3k0.02%	0.02%	Added +67.5k	+67,480 23.6%
71	NEWBRIDGE ACQUISITION LTD RIGHT 09/25/2030 NBRGR	NBRGR	350,000	$87.5k0.02%	0.02%	Unchanged
72	SHREYA ACQUISITION GROUP RIGHT 12/31/2027 SAGU-R	SAGU-R	483,178	$87.0k0.02%	0.02%	New
73	SAFEGUARD ACQUISITION CORP *W EXP 99/99/999 SAC.WS	SAC.WS	146,890	$86.7k0.02%	0.02%	Added +16.1k	+16,126 12.3%
74	PROCAP ACQUISITION CORP *W EXP 05/16/203 PCAPW	PCAPW	245,643	$78.6k0.02%	0.02%	Added +20.3k	+20,285 9.0%
75	COPLEY ACQUISITION CORP *W EXP 99/99/999 COPL.WS	COPL.WS	754,681	$64.7k0.01%	0.01%	Added +400.8k	+400,771 113.2%
76	HIGHVIEW MERGER CORP *W EXP 07/24/203 HVMCW	HVMCW	177,923	$62.3k0.01%	0.01%	Added +77.9k	+77,923 77.9%
77	STONEBRIDGE ACQUISITION II C RIGHT 09/09/2030 APACR	APACR	370,703	$59.3k0.01%	0.01%	Added +2.9k	+2,900 0.8%
78	AMPERCAP ACQUISITION CO RIGHT 05/22/2031 APMCR	APMCR	351,990	$52.8k0.01%	0.01%	New
79	WEST ENCLAVE MERGER CORP RIGHT 99/99/9999 WENC-R	WENC-R	270,750	$48.7k0.01%	0.01%	New
80	XFLH CAP CORP RIGHT 12/31/2029 XFLH-R	XFLH-R	524,705	$46.9k0.01%	0.01%	Added +100.2k	+100,235 23.6%
81	VERNAL CAP ACQUISITION CORP RIGHT 10/31/2027 VECA-R	VECA-R	235,940	$46.2k0.01%	0.01%	New
82	YORKVILLE ACQUISITION CORP. *W EXP 06/06/203 MCGAW	MCGAW	175,268	$44.9k0.01%	0.01%	Unchanged
83	IDEA ACQUISITION CORP *W EXP 01/06/203 IACOW	IACOW	131,872	$44.8k0.01%	0.01%	New
84	CAYSON ACQUISITION CORP RIGHT 99/99/9999 CAPNR	CAPNR	173,392	$41.2k0.01%	0.01%	Added +70.8k	+70,757 68.9%
85	AI INFRASTRUCTURE ACQUISI RIGHT 99/99/9999 AIIA-R	AIIA-R	191,716	$40.3k0.01%	0.01%	Added +14.8k	+14,780 8.3%
86	CHAMPIONSGATE ACQUISITION CO RIGHT 05/14/2030 CHPGR	CHPGR	289,253	$39.5k0.01%	0.01%	Added +117.2k	+117,150 68.1%
87	GENERATION ESSENTIALS GROUP *W EXP 02/15/202 TGE.WS	TGE.WS	203,834	$36.7k0.01%	0.01%	Unchanged
88	OYSTER ENTERPRISES II ACQUIS RIGHT 05/22/2030 OYSER	OYSER	307,542	$33.9k0.01%	0.01%	Added +124.5k	+124,451 68.0%
89	RANGE CAP ACQUISITION CORP RIGHT 99/99/9999 RANGR	RANGR	116,572	$32.6k0.01%	0.01%	Unchanged
90	PRAETORIAN ACQUISITION CORP *W EXP 01/16/203 PTORW	PTORW	77,677	$29.5k0.01%	0.01%	Unchanged
91	AA MISSION ACQUISITION CORP *W EXP 07/23/203 YCY.WS	YCY.WS	130,692	$28.8k0.01%	0.01%	Unchanged
92	BTC DEV CORP *W EXP 09/11/203 BDCIW	BDCIW	79,481	$28.0k0.01%	0.01%	Added +28.0k	+27,990 54.4%
93	SHREYA ACQUISITION GROUP *W EXP 04/30/203 SAGU.WS	SAGU.WS	483,178	$26.6k0.01%	0.01%	New
94	BLUE ACQUISITION CORP. RIGHT 06/11/2030 BACCR	BACCR	33,666	$26.3k0.01%	0.01%	New
95	SOREN ACQUISITION CORP *W EXP 12/19/203 SORNW	SORNW	89,826	$25.9k0.01%	0.01%	Added +18.2k	+18,160 25.3%
96	IB ACQUISITION CORP RIGHT 09/28/2025 IBACR	IBACR	159,411	$18.3k0.00%	0.00%	Unchanged
97	DIGITAL ASSET ACQUISITION CO *W EXP 04/01/203 DAAQW	DAAQW	35,075	$16.8k0.00%	0.00%	Unchanged
98	NEW PROVIDENCE ACQUISITION C *W EXP 04/24/203 NPACW	NPACW	48,000	$13.4k0.00%	0.00%	Added +3.9k	+3,900 8.8%
99	CALISA ACQUISITION CORP RIGHT 09/11/2030 ALISR	ALISR	15,135	$12.1k0.00%	0.00%	Unchanged
100	RF ACQUISITION CORP III RIGHT 01/28/2031 RFAMR	RFAMR	100,811	$11.1k0.00%	0.00%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
ELECTRONIC ARTS INC EA	EA	133,559	$27.2m133.6k shares
CLEARWATER ANALYTICS HLDGS I		1,139,167	$26.9m1.1m shares
HOLOGIC INC HOLX	HOLX	275,000	$20.8m275.0k shares
MISTER CAR WASH INC		2,924,720	$20.4m2.9m shares
MASTERBRAND INC MBC	MBC	1,546,997	$12.9m1.5m shares
CHART INDS INC GTLS	GTLS	52,856	$10.9m52.9k shares
GALAXYEDGE ACQUISITION CORP GLED.U	GLED.U	990,000	$9.9m990.0k shares
BHAV ACQUISITION CORP BHAVU	BHAVU	990,000	$9.9m990.0k shares
FUTURE MONEY ACQUISITION COR FMACU	FMACU	844,320	$8.4m844.3k shares
BAIN CAP GSS INVT CORP BCSS	BCSS	656,944	$6.6m656.9k shares
PONO CAP FOUR INC PONOU	PONOU	661,496	$6.6m661.5k shares
METALS ACQUISITION CORP II MTAL.U	MTAL.U	344,015	$3.5m344.0k shares
NEWBRIDGE ACQUISITION LTD NBRG	NBRG	350,000	$3.5m350.0k shares
IDEA ACQUISITION CORP IACOU	IACOU	318,350	$3.2m318.4k shares
PRAETORIAN ACQUISITION CORP PTOR	PTOR	233,030	$2.3m233.0k shares
RF ACQUISITION CORP III RFAM	RFAM	100,811	$986.9k100.8k shares
MOUNTAIN LAKE ACQUISITION CO		69,665	$18.1k69.7k shares
ALCHEMY INVTS ACQUISITN CORP ALCWF	ALCWF	13,179	$2.1k13.2k shares

Options (notional value)

Underlying	Ticker	Type	Shares controlled	Notional	Change
WARNER BROS DISCOVERY INC WBD · Put	WBD	Put	523,200	$13.9m523.2k shares	New
BIO-TECHNE CORP TECH · Call	TECH	Call	128,600	$9.1m128.6k shares	New
ORGANON & CO OGN · Call	OGN	Call	45,700	$618.8k45.7k shares	New

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
BHAV ACQUISITION CORP BHAVU · 13G · filed 2026-05-14	BHAVU	9.7%≈ $10.0m	new	13G	2026-05-14
PELICAN ACQUISITION CORP 13G · filed 2026-02-17		8.7%	new	13G	2026-02-17
GALAXYEDGE ACQUISITION CORP GLED.U · 13G · filed 2026-05-14	GLED.U	8.4%	new	13G	2026-05-14
APEX TECH ACQUISITION INC TRAD.U · 13G · filed 2026-08-13	TRAD.U	7.7%	-1.1 pts	13G	2026-08-13
STARLINK AI ACQUISITION CORP OTAI.U · 13G · filed 2026-08-13	OTAI.U	6.6%≈ $9.2m	new	13G	2026-08-13
LIONHEART HOLDINGS CUB · 13G · filed 2026-08-13	CUB	6.5%≈ $16.2m	new	13G	2026-08-13
QUASAREDGE ACQUISITION CORP QRED.U · 13G · filed 2026-08-13	QRED.U	6.2%	new	13G	2026-08-13
PONO CAP FOUR INC PONO · 13G · filed 2026-08-13	PONO	6.1%	+0.7 pts	13G	2026-08-13
ALPEX ACQUISITION CORP ALPXU · 13G · filed 2026-08-13	ALPXU	6.0%≈ $7.0m	new	13G	2026-08-13
YORKVILLE ACQUISITION CORP. MCGA · 13G · filed 2025-11-20	MCGA	5.8%≈ $10.6m	new	13G	2025-11-20
OAKTREE ACQUISITION CORP III OACC · 13G · filed 2026-08-14	OACC	5.5%≈ $11.7m	new	13G	2026-08-14
PLUTONIAN ACQUISITION CORP I PLUN.U · 13G · filed 2026-08-13	PLUN.U	5.4%≈ $5.9m	new	13G	2026-08-13
JAB ACQUISITION CORP I ATLQU · 13G · filed 2026-08-13	ATLQU	5.3%≈ $9.1m	new	13G	2026-08-13
QUANTUM LEAP ACQUISITION COR QLEP · 13G · filed 2026-08-13	QLEP	5.2%	new	13G	2026-08-13