Boxer Capital Management, LLC

San Diego, CA · CIK 2018299 · 13F filing filed 2026-08-14

SEC-registered investment adviser since 2024 · limited liability company

Assets managed$578.2m
Staff19 · 8 in investment roles
Main clients (by assets)Private funds 100%
Private funds2 (2 hedge) · $578.2m gross assets
Websiteboxercap.com
Form ADV · 2026-05-11SEC adviser record

Legal entityBOXER CAPITAL MANAGEMENT, LLC (US)

$1.3bn reported value +74.3% vs Q1 2026

63positions

65.1%in top 10

12 new 17 added 1 reduced 3 sold out vs Q1 2026

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	TANGO THERAPEUTICS INC COM TNGX	TNGX	10,876,219	$340.0m25.61%	25.61%	Unchanged
2	REVOLUTION MEDICINES INC COM RVMD	RVMD	500,000	$93.6m7.05%	7.05%	Unchanged
3	ABIVAX SA SPONSORED ADS ABVX	ABVX	605,000	$80.6m6.07%	6.07%	Added +405.0k	+405,000 202.5%
4	UNIQURE NV SHS QURE	QURE	1,503,300	$69.2m5.21%	5.21%	Added +841.3k	+841,300 127.1%
5	KODIAK SCIENCES INC COM KOD	KOD	1,477,600	$57.6m4.34%	4.34%	Added +116.6k	+116,600 8.6%
6	KYMERA THERAPEUTICS INC COM KYMR	KYMR	429,100	$49.2m3.71%	3.71%	Added +100.0k	+100,000 30.4%
7	DEFINIUM THERAPEUTICS INC COM SHS DFTX	DFTX	998,500	$47.0m3.54%	3.54%	Added +400.0k	+400,000 66.8%
8	REPLIMUNE GROUP INC COM REPL	REPL	3,983,000	$44.1m3.32%	3.32%	Added +2.8m	+2,808,000 239.0%
9	CELCUITY INC COM CELC	CELC	416,530	$43.6m3.28%	3.28%	Added +191.5k	+191,530 85.1%
10	Q32 BIO INC COM QTTB	QTTB	3,149,310	$40.1m3.02%	3.02%	New
11	CAPRICOR THERAPEUTICS INC COM NEW CAPR	CAPR	1,395,156	$33.6m2.53%	2.53%	Added +805.2k	+805,156 136.5%
12	PRECIGEN INC COM PGEN	PGEN	5,150,000	$29.4m2.21%	2.21%	Added +1.6m	+1,650,000 47.1%
13	CORCEPT THERAPEUTICS INC COM CORT	CORT	335,500	$29.2m2.20%	2.20%	Added +85.5k	+85,500 34.2%
14	SURROZEN INC COM NEW SRZN	SRZN	1,105,683	$27.0m2.03%	2.03%	Added +339.4k	+339,365 44.3%
15	PROTAGONIST THERAPEUTICS INC COM PTGX	PTGX	170,000	$20.8m1.57%	1.57%	Unchanged
16	VIR BIOTECHNOLOGY INC COM VIR	VIR	1,866,000	$19.0m1.43%	1.43%	Unchanged
17	VAXCYTE INC COM PCVX	PCVX	325,000	$18.9m1.42%	1.42%	Unchanged
18	UROGEN PHARMA LTD COM URGN	URGN	500,000	$18.4m1.39%	1.39%	Unchanged
19	CORVUS PHARMACEUTICALS INC COM CRVS	CRVS	1,100,000	$16.4m1.24%	1.24%	Unchanged
20	PTC THERAPEUTICS INC COM PTCT	PTCT	200,000	$16.3m1.23%	1.23%	Unchanged
21	PRAXIS PRECISION MEDICINES I COM NEW PRAX	PRAX	46,457	$15.6m1.17%	1.17%	Unchanged
22	AMYLYX PHARMACEUTICALS INC COM AMLX	AMLX	800,000	$14.4m1.08%	1.08%	Unchanged
23	OCULAR THERAPEUTIX INC COM OCUL	OCUL	1,300,000	$12.8m0.96%	0.96%	Added +950.0k	+950,000 271.4%
24	OPUS GENETICS INC COM IRD	IRD	2,815,000	$11.6m0.87%	0.87%	Added +565.0k	+565,000 25.1%
25	PALISADE BIO INC COM PALI	PALI	4,799,875	$10.0m0.76%	0.76%	Unchanged
26	APOGEE THERAPEUTICS INC COM COM		70,000	$9.3m0.70%	0.70%	Unchanged
27	SPYRE THERAPEUTICS INC COM NEW SYRE	SYRE	100,000	$8.9m0.67%	0.67%	New
28	COGENT BIOSCIENCES INC COM COGT	COGT	225,000	$8.7m0.66%	0.66%	Unchanged
29	CYTOKINETICS INC COM NEW CYTK	CYTK	100,000	$8.5m0.64%	0.64%	Unchanged
30	RELAY THERAPEUTICS INC COM RLAY	RLAY	450,000	$8.4m0.63%	0.63%	New
31	CRESCENT BIOPHARMA INC. COM COM		453,686	$8.2m0.62%	0.62%	Unchanged
32	CONTINEUM THERAPEUTICS INC CL A CTNM	CTNM	494,000	$8.1m0.61%	0.61%	Unchanged
33	KAZIA THERAPEUTICS LTD SPONSORED ADS KZIA	KZIA	560,000	$7.9m0.59%	0.59%	New
34	SHATTUCK LABS INC COM STTK	STTK	1,000,000	$6.9m0.52%	0.52%	New
35	AVALO THERAPEUTICS INC COM NEW AVTX	AVTX	375,000	$6.9m0.52%	0.52%	Added +75.0k	+75,000 25.0%
36	FORTE BIOSCIENCES INC COM NEW FBRX	FBRX	274,500	$5.8m0.44%	0.44%	New
37	RELMADA THERAPEUTICS INC COM RLMD	RLMD	842,106	$5.8m0.44%	0.44%	Unchanged
38	MOONLAKE IMMUNOTHERAPEUTICS CLASS A ORD MLTX	MLTX	275,000	$5.4m0.40%	0.40%	Unchanged
39	ZURA BIO LTD CLASS A ORD SHS ZURA	ZURA	900,000	$5.3m0.40%	0.40%	Unchanged
40	CYBIN INC COM NEW COM NEW		790,000	$5.2m0.39%	0.39%	Added +150.0k	+150,000 23.4%
41	ODYSSEY THERAPEUTICS INC COMMON STOCK ODTX	ODTX	275,000	$5.1m0.39%	0.39%	New
42	IMMATICS N.V SHS IMTX	IMTX	475,000	$4.8m0.36%	0.36%	New
43	FAETH THERAPEUTICS INC COM NEW FTH	FTH	180,505	$4.5m0.34%	0.34%	New
44	STRUCTURE THERAPEUTICS INC SPONSORED ADS GPCR	GPCR	75,000	$4.0m0.30%	0.30%	Unchanged
45	ORIC PHARMACEUTICALS INC COM ORIC	ORIC	350,000	$3.8m0.29%	0.29%	Added +173.5k	+173,500 98.3%
46	AN2 THERAPEUTICS INC COM ANTX	ANTX	749,035	$3.6m0.27%	0.27%	Unchanged
47	NEUMORA THERAPEUTICS INC. COM NMRA	NMRA	2,000,000	$3.4m0.26%	0.26%	New
48	INOVIO PHARMACEUTICALS INC COM SHS INO	INO	2,844,994	$3.1m0.24%	0.24%	Added +474.9k	+474,872 20.0%
49	ALLOGENE THERAPEUTICS INC COM ALLO	ALLO	1,500,000	$3.1m0.23%	0.23%	Reduced -1.2m	-1,225,000 -45.0%
50	SOLID BIOSCIENCES INC COM NEW SLDB	SLDB	300,000	$3.0m0.23%	0.23%	Unchanged
51	KARYOPHARM THERAPEUTICS INC COM NEW KPTI	KPTI	302,536	$3.0m0.22%	0.22%	Unchanged
52	CLENE INC COM NEW CLNN	CLNN	477,515	$2.9m0.22%	0.22%	Unchanged
53	SAREPTA THERAPEUTICS INC COM SRPT	SRPT	150,000	$2.7m0.20%	0.20%	Unchanged
54	MAPLIGHT THERAPEUTICS INC COM MPLT	MPLT	75,000	$2.7m0.20%	0.20%	New
55	NURIX THERAPEUTICS INC COM NRIX	NRIX	100,000	$2.4m0.18%	0.18%	Unchanged
56	LB PHARMACEUTICALS INC COM SHS LBRX	LBRX	70,000	$2.3m0.17%	0.17%	Unchanged
57	EDESA BIOTECH INC COM NEW EDSA	EDSA	205,000	$1.7m0.13%	0.13%	New
58	INVIVYD INC COM IVVD	IVVD	1,500,000	$1.3m0.10%	0.10%	Unchanged
59	UPSTREAM BIO INC COM UPB	UPB	150,000	$1.0m0.08%	0.08%	Unchanged
60	MILESTONE PHARMACEUTICALS IN COM MIST	MIST	666,666	$893.3k0.07%	0.07%	Unchanged
61	PEPGEN INC COM PEPG	PEPG	272,892	$491.2k0.04%	0.04%	Unchanged
62	REGENXBIO INC COM RGNX	RGNX	15,000	$179.7k0.01%	0.01%	Unchanged
63	SURROZEN INC W EXP 08/01/203 W EXP 08/01/203		66,666	$1.1k0.00%	0.00%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
TERNS PHARMACEUTICALS INC		375,000	$19.8m375.0k shares
SOLENO THERAPEUTICS INC SLNO	SLNO	200,000	$6.7m200.0k shares
KALVISTA PHARMACEUTICALS INC KALV	KALV	20,400	$410.7k20.4k shares

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
Q32 BIO INC QTTB · 13G · filed 2026-07-10	QTTB	13.3%≈ $40.1m	new	13G	2026-07-10
SURROZEN INC SRZN · 13G · filed 2026-10-07	SRZN	11.6%≈ $35.3m	+2.7 pts	13G	2026-10-07