Alpha Tau Medical DRTS Institutional Ownership

NASDAQ DRTS

$13.48 +0.39 (+2.98%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

75 Institutions

Increased 46 61.3%

Unchanged 19 25.3%

Reduced 10 13.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

9.87%

▲+4.83 pp QoQ

Shares Held by Institutions

7.95Mn

of 80.58Mn outstanding

▲+95.89% QoQ

Shares Outstanding

80.58Mn

72.63Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+22 vs prior quarter

Net Shares Added (QoQ)

+3.89Mn

accumulated since last quarter

Value of Holdings

$104.13Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 5, 2026

Alpha Tau Medical Ltd. (NASDAQ:DRTS) was held by 75 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

These investors held 9.87% of outstanding shares in Q2 2026, up from 5.04% the quarter before.
Total shares held in Alpha Tau Medical rose 95.89% from Q1 2026, while the number of holders rose 240.91% from Q2 2025.
Looking at the 75 holders of DRTS individually, 46 added to their positions, 10 reduced their stakes and 19 left their positions unchanged.
Combined, institutional investors held 7.95Mn shares of DRTS as of Q2 2026, up 3.89Mn from the prior quarter and up 6.47Mn from a year earlier.
As of June 30, 2026, the biggest holder of Alpha Tau Medical was Gem Investment Advisors, LLC with 1.43Mn shares, or 1.78% of shares outstanding.
Among holders that already owned Alpha Tau Medical, the biggest buyers in Q2 2026 were Gem Investment Advisors, LLC (+1.32Mn shares), UBS Group AG (+355.57K shares), Focus Partners Wealth (+152.46K shares), Wells Fargo & Company (+56.55K shares) and Citadel Advisors LLC (+26.16K shares).
The biggest cuts to DRTS positions during Q2 2026 came from Bank of America Corp (-21.62K shares), ARK Investment Management LLC (-15.05K shares), NorthCoast Asset Management LLC (-12.12K shares), Summit Financial, LLC (-10.43K shares) and XTX Topco Ltd (-4.68K shares).
Per Business Quant, the top 10 investors in DRTS for the quarter ended June 30, 2026 were Gem Investment Advisors, LLC (1.43Mn shares), HighTower Advisors, LLC (874.99K shares), Boothbay Fund Management, LLC (773.48K shares), Aquamarine Financial (Cayman) Ltd (721.5K shares), Pier Capital, LLC (691.94K shares), UBS Group AG (642.26K shares), Apella Capital, LLC (382.28K shares), ARK Investment Management LLC (277.09K shares), Polen Capital Management LLC (220.75K shares) and Focus Partners Wealth (184.73K shares).

Form 13F Holdings

75 Institutional Holders

Report period 30 Jun, 2026

Total shares held 7.95Mn

Of outstanding 9.87%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Gem Investment Advisors, LLC	0001580018	1,434,476	1.78%	▲1,320,740	+1,161.23%	$18.05Mn
2	HighTower Advisors, LLC	0001462245	874,994	1.09%	0	0.00%	$11.01Mn
3	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	773,481	0.96%	▲773,481	0.00%	$9.73Mn
4	Aquamarine Financial (Cayman) Ltd	0002104187	721,501	0.90%	0	0.00%	$9.08Mn
5	Pier Capital, LLC	0001310051	691,939	0.86%	▲691,939	0.00%	$8.70Mn
6	UBS Group AG	0001610520	642,263	0.80%	▲355,575	+124.03%	$8.08Mn
7	Apella Capital, LLC	0001801507	382,284	0.47%	0	0.00%	$4.88Mn
8	ARK Investment Management LLC	0001697748	277,086	0.34%	▼15,048	-5.15%	$3.49Mn
9	POLEN CAPITAL MANAGEMENT LLC	0001034524	220,751	0.27%	▲220,751	0.00%	$2.78Mn
10	Focus Partners Wealth	0001542153	184,726	0.23%	▲152,461	+472.53%	$2.32Mn
11	Mariner, LLC	0001373442	167,086	0.21%	▲20,690	+14.13%	$2.10Mn
12	Daytona Street Capital LLC	0002101936	146,106	0.18%	0	0.00%	$1.83Mn
13	NorthCoast Asset Management LLC	0001665198	135,017	0.17%	▼12,121	-8.24%	$1.70Mn
14	LEVIN CAPITAL STRATEGIES, L.P.	0001354821	128,594	0.16%	▲22,171	+20.83%	$1.62Mn
15	Wells Fargo & Company/Mn	0000072971	105,850	0.13%	▲56,550	+114.71%	$1.33Mn
16	JANE STREET GROUP, LLC	0001595888	91,145	0.11%	▲15,606	+20.66%	$1.15Mn
17	CITADEL ADVISORS LLC	0001423053	61,559	0.08%	▲26,164	+73.92%	$774.41K
18	Dauntless Investment Group, LLC	0002044285	61,200	0.08%	▲61,200	0.00%	$769.90K
19	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	54,767	0.07%	▲22,029	+67.29%	$688.97K
20	GEODE CAPITAL MANAGEMENT, LLC	0001214717	53,399	0.07%	0	0.00%	$671.76K

Showing 1 to 20 of 75 holders