GT Biopharma, Inc.

GTBPNASDAQ

$6.10-0.10 (-1.61%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

GT Biopharma, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+854.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Vanguard Capital Management LLC	0.84%	$184K	0.00%	Not reported
Geode Capital Management, LLC	0.60%	$131K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.51%	$111K	0.00%	Not reported
Everhart Financial Group, Inc.	0.22%	$49K	0.00%	New Not reported
Opal Wealth Advisors, LLC	0.18%	$40.1K	0.01%	New Not reported
Northern Trust Corp	0.17%	$37K	0.00%	Not reported
49 Wealth Management, LLC	0.14%	$31.3K	0.01%	New Not reported
Alongside, LLC	0.14%	$31.3K	0.01%	New Not reported
Cetera Investment Advisers	0.13%	$27.4K	0.00%	Not reported
SeaCrest Wealth Management, LLC	0.11%	$24.5K	0.00%	Add 0.20%
Kitching Partners, LLC	0.11%	$24.5K	0.02%	New Not reported
Integrated Wealth Concepts LLC	0.09%	$19.6K	0.00%	Not reported
Osaic Holdings, Inc.	0.09%	$18.9K	0.00%	Not reported
LPL Financial LLC	0.08%	$17.8K	0.00%	Not reported
StoneX Group Inc.	0.05%	$8.67K	0.00%	Not reported
Morgan Stanley	0.05%	$11.1K	0.00%	Not reported
Keel Point, LLC	0.05%	$10.2K	0.00%	Not reported
Corient Private Wealth LP	0.04%	$9.79K	0.00%	Not reported
Private Wealth Management Group, LLC	0.04%	$9.79K	0.00%	Not reported
Sagespring Wealth Partners, LLC	0.04%	$9.79K	0.00%	New Not reported
Caitlin John, LLC	0.04%	$8.08K	0.00%	Not reported
Wells Fargo & Company	0.04%	$7.83K	0.00%	Not reported
Tempus Wealth Planning, LLC	0.03%	$7.35K	0.00%	New Not reported
Two Sigma Securities, LLC	0.03%	$6.56K	0.00%	Not reported
Prospera Financial Services Inc	0.03%	$6.12K	0.00%	Add 4.20%
Verdence Capital Advisors LLC	0.03%	$5.88K	0.00%	Not reported
Mayflower Financial Advisors, LLC	0.02%	$5.39K	0.00%	New Not reported
LaSalle St. Investment Advisors, LLC	0.02%	$5.39K	0.00%	Not reported
North Star Asset Management Inc	0.02%	$4.9K	0.00%	New Not reported
HBK Sorce Advisory LLC	0.02%	$3.18K	0.00%	Not reported
Koss-Olinger Consulting, LLC	0.02%	$4.9K	0.00%	New Not reported
BlackRock, Inc.	0.02%	$4.07K	0.00%	Not reported
Royal Bank of Canada	0.02%	$4K	0.00%	Not reported
Atlantic Union Bankshares Corp	0.01%	$2.62K	0.00%	New Not reported
Allworth Financial LP	0.01%	$2.21K	0.00%	Not reported
NFSG Corp	0.01%	$1.84K	0.00%	Not reported
MassMutual Private Wealth & Trust, FSB	0.01%	$1.47K	0.00%	Not reported
Farther Finance Advisors, LLC	0.01%	$1.47K	0.00%	Not reported
West Financial Advisors, LLC	0.01%	$1.23K	0.00%	Not reported
Stone House Investment Management, LLC	0.00%	$1K	0.00%	Add 63.31%
Tower Research Capital LLC (TRC)	0.00%	$831	0.00%	Not reported
Triumph Capital Management	0.00%	$810	0.00%	Not reported
Jones Financial Companies LLLP	0.00%	$645	0.00%	Not reported
Barclays PLC	0.00%	$706	0.00%	Not reported
Reyes Financial Architecture, Inc.	0.00%	$306	0.00%	New Not reported
Harbour Investments, Inc.	0.00%	$245	0.00%	Not reported
Global Retirement Partners, LLC	0.00%	$245	0.00%	Not reported
Hilltop National Bank	0.00%	$49	0.00%	Not reported
IFG Advisory, LLC	0.00%	$16	0.00%	New Not reported
BNP Paribas Financial Markets	0.00%	$3	0.00%	Not reported

50 of 53 holders

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