Stocks › Specialty Business Services › BKSY

BlackSky Technology BKSY

US equityMarket cap rank #3313Specialty Business Services Space

$21.85 −$0.81 (-3.57%)

Pre-market · Oct 8, 8:30 am ET · After hours $21.80 -0.23%

Open$22.01

Prev close$22.66

Day range$21.11 – $22.18

Volume732.0K

Market cap$894.21M

P/E (TTM)–

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership87.3%-0.21 pts vs. prior quarter

Institutions holding275-1 vs. prior quarter

Insider trades (recent)28 buys / 22 sellsNet buying

Short interest16.97% of floatDays to cover 7.1 · as of 15 Sep 2026

Short-sale volume share19.6%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$1.32M (9 inflow days, 11 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 25.2% of shares outstanding.

Largest holders

BlackRock7.56%
Mithril Capital Management LLC5.69%
Thales S.A.4.46%
Vanguard Capital Management, LLC3.94%
Tema ETFs LLC3.54%
Tidal Investments LLC3.44%
AWM Investment Company Inc2.93%
Driehaus Capital Management LLC2.53%

By investor type

Mutual Fund47.79%
Hedge Fund11.99%
Public Company11.34%
VC/PE Fund10.43%
Private Company4.26%
Individual/Insider3.59%
Government Pension Fund1.00%
Family Office/Trust0.27%

Reported short interest has fallen from 21.54% to 16.97% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
Tema ETFs LLC	Mutual Fund	2026/Q3	+1,445,416	3.5%
Tidal Investments LLC	Mutual Fund	2026/Q3	+1,407,186	3.4%
Driehaus Capital Management LLC	Mutual Fund	2026/Q3	+1,033,578	2.5%
Morgan Stanley	Public Company	2026/Q3	+621,784	2.1%
BlackRock	Mutual Fund	2026/Q3	+553,148	7.6%
Citadel Advisors LLC	Hedge Fund	2026/Q3	+471,756	1.2%
Jane Street Group, LLC	Private Company	2026/Q3	+426,774	2.0%
Trexquant Investment LP	Hedge Fund	2026/Q3	+400,687	1.0%
Millennium Management LLC	Hedge Fund	2026/Q3	+369,333	2.2%
Van Eck Associates Corporation	Mutual Fund	2026/Q3	+363,787	2.5%
D. E. Shaw & Co., L.P.	Hedge Fund	2026/Q3	+362,600	0.9%
Hudson River Trading LLC	Private Company	2026/Q3	+356,839	1.3%
Bank of America Corporation	Public Company	2026/Q3	+325,774	1.7%
Temasek Holdings	VC/PE Fund	2026/Q3	+288,649	0.7%
Raymond James Financial, Inc.	Public Company	2026/Q3	+286,793	1.5%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
29 Sep 2026	Magid Abraham	Independent Director	Other Acquisition	+1,055	–	66,707
29 Sep 2026	James Tolonen	Independent Director	Other Acquisition	+1,055	–	78,901
29 Sep 2026	William Porteous	Independent Chairperson	Other Acquisition	+1,055	–	79,645
29 Sep 2026	Susan Gordon	Independent Director	Other Acquisition	+1,055	–	78,334
20 Sep 2026	Henry Dubois	Chief Financial Officer	Automatic Disposition	-4,000	$22.97	201,002
20 Sep 2026	Christiana Lin	General Counsel, Chief Administrative Officer & Secretary	Automatic Disposition	-6,000	$23.10	176,611
20 Sep 2026	Brian O’Toole	Chief Executive Officer	Automatic Disposition	-20,000	$22.88	461,722
10 Sep 2026	Magid Abraham	Independent Director	Other Acquisition	+7,278	–	7,278
10 Sep 2026	James Tolonen	Independent Director	Other Acquisition	+8,005	–	8,005
10 Sep 2026	Timothy Harvey	Independent Director	Other Acquisition	+7,278	–	7,278
10 Sep 2026	William Porteous	Independent Chairperson	Other Acquisition	+8,733	–	8,733
10 Sep 2026	Henry Dubois	Chief Financial Officer	Open Market Disposition	-15,225	$20.95	205,002
10 Sep 2026	Christiana Lin	General Counsel, Chief Administrative Officer & Secretary	Open Market Disposition	-13,052	$20.95	182,611
10 Sep 2026	Susan Gordon	Independent Director	Other Acquisition	+7,278	–	7,278
10 Sep 2026	David DiDomenico	Director	Other Acquisition	+7,278	–	7,278
10 Sep 2026	Brian O’Toole	Chief Executive Officer	Open Market Disposition	-56,280	$20.95	481,722
8 Sep 2026	Brian O’Toole	Chief Executive Officer	Automatic Disposition	-20,000	$21.83	419,008
27 Aug 2026	Henry Dubois	Chief Financial Officer	Automatic Disposition	-4,000	$23.78	188,040
29 Jun 2026	Magid Abraham	Independent Director	Other Acquisition	+805	–	57,027
29 Jun 2026	James Tolonen	Independent Director	Other Acquisition	+805	–	68,471

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	6,944,521	17.0%	7.1
31 Aug 2026	6,876,649	16.8%	8.6
14 Aug 2026	7,145,393	17.5%	6.6
31 Jul 2026	7,556,500	18.5%	6.7
15 Jul 2026	7,782,496	21.0%	5.9
30 Jun 2026	7,995,133	21.5%	3.8

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