WhaleCreep
HomeFunds › Boxer Capital Management, LLC

Boxer Capital Management, LLC: 13F holdings, Q2 2026

Hedge fund · SEC EDGAR filings (CIK 2018299) · Explore on the interactive board

Boxer Capital Management, LLC disclosed 63 US equity positions worth $1.3bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is TNGX at 25.6% of the reported book, followed by RVMD, ABVX. The top ten holdings are 65.1% of the book, and the portfolio behaves like about 11 equal-weight positions. Versus the prior filing it opened 12 new positions, added to 17, reduced 1 and exited 3. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.

This manager's most recent filing is 3934 quarter(s) behind the newest quarter on file. Treat these figures as history, not current positioning.
$1.3bnreported US equity book
63positions
25.6%largest position
65.1%top 10 weight
11.26effective positions (1/HHI)
2quarters on file since Q1 2026

What does Boxer Capital Management, LLC own? Top holdings as of June 30, 2026

Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 12 new, 17 added, 1 reduced, 3 exited.

#StockSectorWeightValueSharesΔ sharesAction
1 TNGX TANGO THERAPEUTICS INC Healthcare 25.6%$340.0m10,876,219 0% held
2 RVMD REVOLUTION MEDICINES INC Healthcare 7.1%$93.6m500,000 0% held
3 ABVX ABIVAX SA Healthcare 6.1%$80.6m605,000 202% added
4 UNIQURE NV 5.2%$69.2m1,503,300 127% added
5 KOD KODIAK SCIENCES INC Healthcare 4.3%$57.6m1,477,600 9% added
6 KYMR KYMERA THERAPEUTICS INC Healthcare 3.7%$49.2m429,100 30% added
7 DFTX DEFINIUM THERAPEUTICS INC Healthcare 3.5%$47.0m998,500 67% added
8 REPL REPLIMUNE GROUP INC Healthcare 3.3%$44.1m3,983,000 239% added
9 CELC CELCUITY INC Healthcare 3.3%$43.6m416,530 85% added
10 QTTB Q32 BIO INC 3.0%$40.1m3,149,310 new
11 CAPR CAPRICOR THERAPEUTICS INC Healthcare 2.5%$33.6m1,395,156 136% added
12 PGEN PRECIGEN INC Healthcare 2.2%$29.4m5,150,000 47% added
13 CORT CORCEPT THERAPEUTICS INC Healthcare 2.2%$29.2m335,500 34% added
14 SRZN Surrozen Inc. 2.0%$27.0m1,105,683 44% added
15 PTGX PROTAGONIST THERAPEUTICS INC Healthcare 1.6%$20.8m170,000 0% held
16 VIR VIR BIOTECHNOLOGY INC Healthcare 1.4%$19.0m1,866,000 0% held
17 PCVX VAXCYTE INC Healthcare 1.4%$18.9m325,000 0% held
18 URGN UROGEN PHARMA LTD Healthcare 1.4%$18.4m500,000 0% held
19 CRVS CORVUS PHARMACEUTICALS INC Healthcare 1.2%$16.4m1,100,000 0% held
20 PTCT PTC THERAPEUTICS INC Healthcare 1.2%$16.3m200,000 0% held
21 PRAX PRAXIS PRECISION MEDICINES I Healthcare 1.2%$15.6m46,457 0% held
22 AMLX AMYLYX PHARMACEUTICALS INC Healthcare 1.1%$14.4m800,000 0% held
23 OCUL OCULAR THERAPEUTIX INC Healthcare 1.0%$12.8m1,300,000 271% added
24 IRD OPUS GENETICS INC 0.9%$11.6m2,815,000 25% added
25 PALI PALISADE BIO INC Healthcare 0.8%$10.0m4,799,875 0% held
26 APGE APOGEE THERAPEUTICS INC Healthcare 0.7%$9.3m70,000 0% held
27 SYRE SPYRE THERAPEUTICS INC Healthcare 0.7%$8.9m100,000 new
28 COGT COGENT BIOSCIENCES INC Healthcare 0.7%$8.7m225,000 0% held
29 CYTK CYTOKINETICS INC Healthcare 0.6%$8.5m100,000 0% held
30 RLAY RELAY THERAPEUTICS INC Healthcare 0.6%$8.4m450,000 new
31 CRESCENT BIOPHARMA INC. 0.6%$8.2m453,686 0% held
32 CTNM CONTINEUM THERAPEUTICS INC 0.6%$8.1m494,000 0% held
33 KZIA KAZIA THERAPEUTICS LTD 0.6%$7.9m560,000 new
34 STTK SHATTUCK LABS INC Healthcare 0.5%$6.9m1,000,000 new
35 AVTX AVALO THERAPEUTICS INC Healthcare 0.5%$6.9m375,000 25% added
36 FBRX FORTE BIOSCIENCES INC 0.4%$5.8m274,500 new
37 RLMD RELMADA THERAPEUTICS INC Healthcare 0.4%$5.8m842,106 0% held
38 MLTX MOONLAKE IMMUNOTHERAPEUTICS Healthcare 0.4%$5.4m275,000 0% held
39 ZURA ZURA BIO LTD Healthcare 0.4%$5.3m900,000 0% held
40 HELP CYBIN INC 0.4%$5.2m790,000 23% added
41 ODYSSEY THERAPEUTICS INC 0.4%$5.1m275,000 new
42 IMTX IMMATICS N.V Healthcare 0.4%$4.8m475,000 new
43 FTH FAETH THERAPEUTICS inc 0.3%$4.5m180,505 new
44 GPCR STRUCTURE THERAPEUTICS INC Healthcare 0.3%$4.0m75,000 0% held
45 ORIC ORIC PHARMACEUTICALS INC Healthcare 0.3%$3.8m350,000 98% added
46 ANTX AN2 THERAPEUTICS INC 0.3%$3.6m749,035 0% held
47 NMRA NEUMORA THERAPEUTICS INC. Healthcare 0.3%$3.4m2,000,000 new
48 INO INOVIO PHARMACEUTICALS INC 0.2%$3.1m2,844,994 20% added
49 ALLO ALLOGENE THERAPEUTICS INC Healthcare 0.2%$3.1m1,500,000 -45% reduced
50 SLDB SOLID BIOSCIENCES INC Healthcare 0.2%$3.0m300,000 0% held

What did Boxer Capital Management, LLC sell? Positions exited since the previous filing

StockPrior weightPrior value
430 TERNS PHARMACEUTICALS INC73.6%$19.8m
SLNOEUR SOLENO THERAPEUTICS INC24.9%$6.7m
4XC1 KALVISTA PHARMACEUTICALS INC1.5%$410.7k

Sector mix

SectorWeight
Healthcare83.9%

Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.

Filing history

QuarterPositionsEquity value
Q2 202663$1.3bn
Q1 202654$761.7m

How concentrated is Boxer Capital Management, LLC's portfolio?

Across every quarter Boxer Capital Management, LLC has filed, its median largest position is 27.7% of the book and its median top-ten weight is 64.2%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 3.0 completed holding spells, the median lasted 1.0 quarters; 63.0 positions are still open and their final length is unknown.