Aptose Biosciences (APTO) Institutional Ownership

$0.57

0.00 (0.00%)

(As of 07/26/2024 ET)

Current Institutional Ownership Percentage: 26.62%
Number of Institutional Buyers (last 12 months): 3
Total Institutional Inflows (last 12 months): $499.55K

Number of Institutional Sellers (last 12 months): 3
Total Institutional Outflows (last 12 months): $9.82M

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APTO Institutional Buying and Selling by Quarter

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Aptose Biosciences Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/8/2024	Texas Capital Bank Wealth Management Services Inc	12,448	$32K	0.0%	N/A	0.157%
2/1/2024	Sigma Planning Corp	75,477	$192K	0.0%	-48.2%	0.951%
11/15/2023	Annandale Capital LLC	74,666	$209K	0.1%	+40.0%	0.990%
11/6/2023	Sigma Planning Corp	145,786	$408K	0.0%	N/A	1.934%
8/10/2023	Carlson Capital L P	106,666	$495K	0.0%	-93.5%	0.114%
7/28/2023	Voss Capital LLC	14,634	$68K	0.0%	-97.3%	0.016%
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5/8/2023	Sigma Planning Corp	1,444,550	$925K	0.0%	+34.9%	1.562%
2/15/2023	Nantahala Capital Management LLC	6,052,867	$3.51M	0.2%	-12.1%	6.553%
2/13/2023	Callan Capital LLC	156,986	$91K	0.0%	N/A	0.170%
2/13/2023	Voss Capital LLC	550,000	$319K	0.1%	-8.3%	0.595%
2/7/2023	Formidable Asset Management LLC	90,000	$52K	0.0%	N/A	0.097%
1/24/2023	Sigma Planning Corp	1,070,504	$621K	0.0%	+19.0%	1.160%
11/15/2022	Carlson Capital L P	2,010,000	$1.20M	0.1%	+5.4%	2.178%
11/14/2022	Annandale Capital LLC	710,000	$422K	0.2%	+81.6%	0.769%
11/10/2022	Sigma Planning Corp	899,554	$535K	0.0%	+6.8%	0.975%
11/10/2022	Nantahala Capital Management LLC	6,888,822	$4.10M	0.3%	-4.8%	7.464%
11/9/2022	Toronto Dominion Bank	43,851	$26K	0.0%	+80.4%	0.048%
11/2/2022	Voss Capital LLC	600,000	$357K	0.1%	-14.3%	0.650%
10/7/2022	Sanders Morris Harris LLC	657,364	$395K	0.1%	-35.8%	0.712%
8/15/2022	Nantahala Capital Management LLC	7,232,676	$5.37M	0.3%	-1.2%	7.837%
8/13/2022	Voss Capital LLC	700,010	$519K	0.2%	+27.3%	0.759%
8/11/2022	Sigma Planning Corp	842,174	$625K	0.0%	+6.4%	0.913%
7/11/2022	Sanders Morris Harris LLC	1,024,215	$812K	0.2%	-56.3%	1.110%
5/12/2022	Annandale Capital LLC	200,000	$272K	0.1%	N/A	0.217%
5/12/2022	Cetera Advisors LLC	60,895	$83K	0.0%	+87.7%	0.066%
5/9/2022	Toronto Dominion Bank	50,186	$68K	0.0%	+76.6%	0.054%
5/4/2022	Formidable Asset Management LLC	90,000	$122K	0.0%	N/A	0.098%
4/22/2022	Gleason Group Inc.	18,250	$25K	0.0%	N/A	0.020%
4/20/2022	Sigma Planning Corp	791,274	$1.08M	0.0%	+39.5%	0.858%
4/11/2022	Sanders Morris Harris LLC	2,342,694	$3.19M	0.6%	+19.4%	2.540%
2/15/2022	683 Capital Management LLC	2,019,770	$2.73M	0.1%	-35.1%	2.190%
2/14/2022	Bayesian Capital Management LP	37,800	$51K	0.0%	N/A	0.041%
2/14/2022	Rockefeller Capital Management L.P.	21,809	$29K	0.0%	+1,334.8%	0.024%
2/10/2022	WealthShield Partners LLC	104,920	$142K	0.0%	+40.8%	0.114%
2/10/2022	P.A.W. Capital Corp	565,000	$763K	0.7%	-24.7%	0.613%
2/9/2022	BNP Paribas Arbitrage SA	686,058	$926K	0.0%	+101.4%	0.744%
2/7/2022	Texas Capital Bank Wealth Management Services Inc.	25,000	$34K	0.0%	N/A	0.027%
2/4/2022	Toronto Dominion Bank	28,410	$38K	0.0%	+1,070.1%	0.031%
2/2/2022	Sanders Morris Harris LLC	1,961,594	$2.92M	0.5%	+42.8%	2.127%
2/2/2022	Sigma Planning Corp	567,314	$766K	0.0%	+10.7%	0.615%
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11/24/2021	Patriot Financial Group Insurance Agency LLC	54,529	$119K	0.0%	-66.2%	0.061%
11/16/2021	Opaleye Management Inc.	549,000	$1.20M	0.2%	-44.0%	0.617%
11/16/2021	Voss Capital LLC	67,600	$147K	0.1%	-83.9%	0.076%
11/16/2021	Squarepoint Ops LLC	15,483	$34K	0.0%	N/A	0.017%
11/16/2021	Two Sigma Investments LP	218,633	$477K	0.0%	N/A	0.246%
11/15/2021	Man Group plc	260,836	$569K	0.0%	+77.0%	0.293%
11/15/2021	683 Capital Management LLC	3,112,737	$6.79M	0.3%	+42.1%	3.499%
11/12/2021	Renaissance Technologies LLC	723,005	$1.58M	0.0%	N/A	0.813%
11/12/2021	Carlson Capital L P	720,408	$1.57M	0.1%	+41.3%	0.810%
11/12/2021	Gagnon Securities LLC	59,380	$129K	0.0%	-45.8%	0.067%
11/12/2021	Jump Financial LLC	105,202	$229K	0.0%	+11.3%	0.118%
11/12/2021	Prosight Management LP	70,563	$154K	0.1%	-46.9%	0.079%
11/12/2021	WealthShield Partners LLC	74,512	$162K	0.0%	+83.0%	0.084%
11/10/2021	Goldman Sachs Group Inc.	751,802	$1.64M	0.0%	+12.5%	0.845%
11/2/2021	Raymond James & Associates	20,150	$44K	0.0%	-27.1%	0.023%
11/2/2021	Benjamin F. Edwards & Company Inc.	20,000	$44K	0.0%	+150.0%	0.022%
10/28/2021	Sigma Planning Corp	512,519	$1.12M	0.0%	+34.9%	0.576%
10/25/2021	P.A.W. Capital Corp	750,000	$1.64M	1.5%	+7.1%	0.843%
10/13/2021	Sanders Morris Harris LLC	1,373,794	$3.08M	0.6%	+45.3%	1.544%
10/7/2021	Newman Dignan & Sheerar Inc.	12,915	$28K	0.0%	N/A	0.015%
8/17/2021	Woodline Partners LP	235,005	$780K	0.0%	-89.4%	0.264%
8/17/2021	Millennium Management LLC	315,293	$1.05M	0.0%	-13.7%	0.354%
8/17/2021	Man Group plc	147,380	$489K	0.0%	-24.0%	0.166%
8/17/2021	683 Capital Management LLC	2,191,207	$7.27M	0.3%	+264.6%	2.463%
8/16/2021	Opaleye Management Inc.	980,000	$3.25M	0.5%	+12.4%	1.102%
8/16/2021	Nantahala Capital Management LLC	7,541,497	$25.04M	0.7%	-2.6%	8.478%
8/16/2021	Carlson Capital L P	510,000	$1.69M	0.1%	+27.5%	0.573%
8/13/2021	First Light Asset Management LLC	4,115,411	$13.66M	0.8%	+32.6%	4.627%
8/13/2021	Voss Capital LLC	420,161	$1.40M	0.6%	-4.5%	0.472%
8/13/2021	Sigma Planning Corp	380,044	$1.26M	0.0%	+16.4%	0.427%
8/13/2021	Jump Financial LLC	94,500	$314K	0.0%	N/A	0.106%
8/12/2021	DRW Securities LLC	8,476,176	$28.14M	0.9%	+6.3%	9.529%
8/10/2021	Rock Creek Group LP	220,161	$731K	0.1%	+15.9%	0.248%
8/6/2021	WealthShield Partners LLC	40,726	$135K	0.0%	N/A	0.046%
8/5/2021	P.A.W. Capital Corp	700,000	$2.32M	2.0%	+1.4%	0.787%
8/1/2021	Patriot Financial Group Insurance Agency LLC	161,279	$535K	0.1%	-6.0%	0.181%
7/31/2021	Sanders Morris Harris LLC	945,208	$3.08M	0.6%	+3,619.1%	1.063%
5/18/2021	Millennium Management LLC	365,431	$2.18M	0.0%	+83.8%	0.411%
5/18/2021	Opaleye Management Inc.	871,800	$5.21M	0.8%	+9.0%	0.980%
5/18/2021	First Light Asset Management LLC	3,102,788	$18.54M	1.2%	+269.7%	3.489%
5/18/2021	Morgan Stanley	507,051	$3.03M	0.0%	+6.9%	0.570%
5/18/2021	Doheny Asset Management CA	92,130	$550K	0.4%	+45.4%	0.104%
5/18/2021	Cormorant Asset Management LP	4,000,000	$23.90M	0.5%	N/A	4.498%
5/18/2021	Man Group plc	193,872	$1.16M	0.0%	+7.6%	0.218%
5/18/2021	Silverarc Capital Management LLC	100,000	$598K	0.3%	N/A	0.112%
5/17/2021	Endurant Capital Management LP	517,472	$3.09M	0.8%	+8.3%	0.582%
5/17/2021	Polar Capital Holdings Plc	1,833,731	$10.96M	0.1%	+1.6%	2.062%
5/17/2021	683 Capital Management LLC	600,914	$3.59M	0.2%	-48.5%	0.676%
5/17/2021	Woodline Partners LP	2,218,620	$13.26M	0.3%	+130.6%	2.495%
5/17/2021	Ikarian Capital LLC	103,904	$622K	0.0%	+2,561.5%	0.117%
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5/14/2021	Nantahala Capital Management LLC	7,738,892	$46.24M	1.4%	+6.4%	8.703%
5/14/2021	New York Life Investments Alternatives	11,543	$69K	0.0%	-77.1%	0.013%
5/14/2021	Prosight Management LP	150,000	$896K	0.7%	-81.8%	0.169%
5/14/2021	Gagnon Securities LLC	109,611	$655K	0.1%	+17.8%	0.123%
5/13/2021	Eversept Partners LP	80,000	$478K	0.0%	N/A	0.090%
5/13/2021	Renaissance Technologies LLC	17,600	$105K	0.0%	-66.9%	0.020%
5/13/2021	Principal Street Partners LLC	26,642	$159K	0.0%	N/A	0.030%
5/13/2021	Bank of Montreal Can	17,190	$90K	0.0%	-90.0%	0.019%
5/13/2021	Carlson Capital L P	400,000	$2.39M	0.1%	+60.0%	0.450%
5/12/2021	Transcend Wealth Collective LLC	24,000	$144K	0.0%	N/A	0.027%

(Data available from 1/1/2016 forward)

APTO Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of APTO shares?: During the previous two years, 10 institutional investors and hedge funds held shares of Aptose Biosciences. The most heavily invested institutionals were Nantahala Capital Management LLC ($3.51M), Carlson Capital L P ($495K), Sanders Morris Harris LLC ($395K), Annandale Capital LLC ($209K), Sigma Planning Corp ($192K), Callan Capital LLC ($91K), and Voss Capital LLC ($68K).Learn more on APTO's institutional investors.
What percentage of Aptose Biosciences stock is owned by institutional investors?: 26.62% of Aptose Biosciences stock is owned by institutional investors. Learn more on APTO's institutional investor holdings.
Which institutional investors have been buying Aptose Biosciences stock?: The following institutional investors have purchased Aptose Biosciences stock in the last 24 months: Sigma Planning Corp ($799.06K), Annandale Capital LLC ($340.44K), Callan Capital LLC ($156.99K), Voss Capital LLC ($150.01K), Carlson Capital L P ($102.50K), Formidable Asset Management LLC ($90K), and Toronto Dominion Bank ($19.54K).

How much institutional buying is happening at Aptose Biosciences?: Institutional investors have bought a total of 1,670,987 shares in the last 24 months. This purchase volume represents approximately $14.41M in transactions.
Which Aptose Biosciences major shareholders have been selling company stock?: The following institutional investors have sold Aptose Biosciences stock in the last 24 months: Carlson Capital L P ($1.54M), Nantahala Capital Management LLC ($1.27M), Voss Capital LLC ($685.38K), Sanders Morris Harris LLC ($366.85K), and Sigma Planning Corp ($70.31K).
How much institutional selling is happening at Aptose Biosciences?: Institutional investors have sold a total of 3,935,192 shares in the last 24 months. This volume of shares sold represents approximately $25.76M in transactions.