Arkolith/Funds/B Group, Inc.

B Group, Inc.

CIK 2043476
Holdings as of Mar 31, 2026·disclosed May 15, 2026·~45-day 13F lag·13F-HR
Active Filer

B Group, Inc. holds a focused book of 20 stocks worth $134.9M as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened BRIGHT MINDS BIOSCIENCES INC and trimmed APOGEE THERAPEUTICS INC. Their largest long position is ADMA BIOLOGICS INC at 21% of the equity book.

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Use Arkolith to show B Group, Inc.'s latest
holdings, largest changes, and filing provenance.
Opened
3
new positions
Added to
8
existing
Trimmed
1
reduced
Sold out
0
exited

Concentration

Top-heavy: focused book

Top 5 holdings
58%
Top 10 holdings
81%
Top 20 holdings
100%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

39% mapped to company sectors

ETF / fund or unclassified
61%
Health Care
39%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
  • +154%$12.1M
  • ADMA BIOLOGICS INC
    +31%$6.8M
  • Added$6.4M
  • BRIGHT MINDS BIOSCIENCES INC
    New$4.9M
  • STRUCTURE THERAPEUTICS INC
    +42%$1.8M
  • ZAI LAB LTD
    +13%$953K
Trimmed / exited
  • APOGEE THERAPEUTICS INC
    −63%$1.1M

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

20 positions
#SecurityValueShares% PortLast moveHistory
1Adma Biologics Inc
COM
$28.9M3.21M
21.4%
+31%
Added · +750K sh
2Palisade Bio Inc
COM
$20.0M11.41M
14.8%
+154%
Added · +6.9M sh
3Praxis Precision Medicines I
COM NEW
$10.7M33.2K
7.9%
Held
4Cellectis S A
SPON ADS
$10.4M3.28M
7.7%
Held
5Zai Lab Ltd
ADR
$8.5M450.6K
6.3%
+13%
Added · +51K sh
6Taysha Gene Therapies Inc
COM SHS
$8.0M1.80M
6.0%
Held
7NRX Pharmaceuticals Inc
COM NEW
$6.4M3.00M
4.7%
New
New position
8Structure Therapeutics Inc
SPONSORED ADS
$6.1M127.5K
4.6%
+42%
Added · +38K sh
9Iovance Biotherapeutics Inc
COM
$5.3M1.50M
3.9%
Held
10Spyre Therapeutics Inc
COM NEW
$5.0M100.0K
3.7%
Held
11Bright Minds Biosciences Inc
COM NEW
$4.9M67.5K
3.7%
New
New position
12Assembly Biosciences Inc
COM NEW
$4.9M175.7K
3.6%
Held
13Aura Biosciences Inc
COM
$4.0M597.6K
3.0%
+4.4%
Added · +25K sh
14Oruka Therapeutics Inc
COM
$3.7M75.0K
2.7%
Held
15Sight Sciences Inc
COM
$3.7M970.0K
2.7%
+5.4%
Added · +50K sh
16Ultragenyx Pharmaceutical In
COM
$2.8M135.0K
2.1%
Held
17Apogee Therapeutics Inc
COM
$631K7.5K
0.5%
−63%
Reduced · −13K sh
18Foghorn Therapeutics Inc
COM
$488K102.0K
0.4%
New
New position
19Soleno Therapeutics Inc
COM
$251K7.5K
0.2%
New
New position
20Replimune Group Inc
COM
$199K26.0K
0.1%
Added
Added · +26K sh
Showing all 20 positions

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026May 15, 202620$134.9M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202616$135.4M13F-HR
Q3 2025Sep 30, 2025Nov 14, 202520$135.9M13F-HR
Q2 2025Jun 30, 2025Aug 14, 202517$129.9M13F-HR
Q1 2025Mar 31, 2025May 15, 202519$116.7M13F-HR
Q4 2024Dec 31, 2024Feb 14, 202518$163.6M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.