DRTS · Alpha Tau Medical Ltd. · Holdings

$14.41 -0.02 (-0.14%)

Market Cap

$1.33B

92.48M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 89

Total Value: $110,344,708

Total Shares: 13,225,148

Institutional Ownership Trend

18 quarters

Holder Concentration

Across 89 13F filers · Δ vs Mar 31, 2026

Top Holder

16.4%

−4.3 pts

Top 5

51.3%

−9.0 pts

Top 10

75.4%

−1.2 pts

HHI

733

Broadly held−238

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +19

Institutional value: +267.8%

Shares held: +68.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small Gem Investment Advisors, LLC	+1,320,740	1,434,476
Large LMR Partners LLP	+1,084,984	1,494,631
Mega UBS Group AG	+358,222	644,910
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+345,227	442,267
Mega CITADEL ADVISORS LLC	+235,064	375,459

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small Ionic Capital Management LLC	−64,162	54,286
Mega MILLENNIUM MANAGEMENT LLC	−46,445	62,300
Mega GOLDMAN SACHS GROUP INC	−26,189	69,409
Mid MOORE CAPITAL MANAGEMENT, LP	−25,000	150,000
Mega BANK OF AMERICA CORP /DE/	−21,622	19,770

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid BOOTHBAY FUND MANAGEMENT, LLC	773,481	$9,730,390
Small Pier Capital, LLC	691,939	$8,704,592
Large POLEN CAPITAL MANAGEMENT LLC	220,751	$2,777,047
Micro Dauntless Investment Group, LLC	61,200	$769,896
Small Scientech Research LLC	45,752	$575,560

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large RENAISSANCE TECHNOLOGIES LLC	40,457	$286,030
Mega JPMORGAN CHASE & CO	5,020	$35,491
Mid GROUP ONE TRADING LLC	100	$707
Small Caitong International Asset Management Co., Ltd	68	$480
Small Cohen Investment Advisors LLC	10,000	$0

Filter: New 28 Increased 21 Reduced 15 Sold out 9 Unchanged 25

Showing 100 of 100

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Gem Investment Advisors, LLC

$18,045,708

16.35%

1,434,476

HighTower Advisors, LLC

$11,007,424

9.98%

874,994

BOOTHBAY FUND MANAGEMENT, LLC

$9,730,390

8.82%

773,481

Aquamarine Financial (Cayman) Ltd

$9,076,482

8.23%

721,501

Pier Capital, LLC

$8,704,592

7.89%

691,939

UBS Group AG

$8,079,667

7.32%

642,263

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	4,500	$56,610	0.7%	Defined
UBS AG	238,231	$2,996,945	37.1%	Defined
UBS Switzerland AG	399,532	$5,026,112	62.2%	Defined

Apella Capital, LLC

$4,809,132

4.36%

382,284

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$4,547,670

4.12%

361,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	361,500	$4,547,670	100.0%	Other

ARK Investment Management LLC

$3,485,741

3.16%

277,086

POLEN CAPITAL MANAGEMENT LLC

$2,777,047

2.52%

220,751

CITADEL ADVISORS LLC

$2,438,004

2.21%

193,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	193,800	$2,438,004	100.0%	Defined

Focus Partners Wealth

$2,323,853

2.11%

184,726

Mariner, LLC

$2,101,941

1.90%

167,086

Daytona Street Capital LLC

$1,838,013

1.67%

146,106

NorthCoast Asset Management LLC

$1,698,513

1.54%

135,017

LEVIN CAPITAL STRATEGIES, L.P.

$1,617,712

1.47%

128,594

CITADEL ADVISORS LLC

$1,510,858

1.37%

120,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	120,100	$1,510,858	100.0%	Defined

WELLS FARGO & COMPANY/MN

$1,331,593

1.21%

105,850

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	200	$2,516	0.2%	Defined
WELLS FARGO CLEARING SERVICES, LLC	105,650	$1,329,077	99.8%	Defined

JANE STREET GROUP, LLC

$1,296,998

1.18%

103,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	103,100	$1,296,998	100.0%	Defined

JANE STREET GROUP, LLC

$1,146,603

1.04%

91,145

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	71,139	$894,928	78.1%	Defined
Jane Street Global Trading, LLC	20,006	$251,675	21.9%	Defined

CITADEL ADVISORS LLC

$774,411

0.70%

61,559

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	7,474	$94,022	12.1%	Defined
Held directly	54,085	$680,389	87.9%	Defined

Dauntless Investment Group, LLC

$769,896

0.70%

61,200

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$688,968

0.62%

54,767

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	54,767	$688,968	100.0%	Other

GEODE CAPITAL MANAGEMENT, LLC

$671,759

0.61%

53,399

Private Advisor Group, LLC

$598,594

0.54%

47,583

Scientech Research LLC

$575,560

0.52%

45,752

Susquehanna Portfolio Strategies, LLC

$574,843

0.52%

45,695

Concentric Capital Strategies, LP

$554,488

0.50%

44,077

MORGAN STANLEY

$532,811

0.48%

42,354

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	484	$6,088	1.1%	Defined
MORGAN STANLEY & CO. LLC	1	$12	0.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	9,427	$118,591	22.3%	Defined
MORGAN STANLEY SMITH BARNEY LLC	32,442	$408,120	76.6%	Defined

Cerity Partners LLC

$513,377

0.47%

40,809

SATOVSKY ASSET MANAGEMENT LLC

$460,880

0.42%

36,636

NORTHERN TRUST CORP

$419,329

0.38%

33,333

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST GLOBAL INVESTMENTS LTD	33,333	$419,329	100.0%	Defined

PRINCIPAL FINANCIAL GROUP INC

$330,401

0.30%

26,264

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$327,080

0.30%

26,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	26,000	$327,080	100.0%	Other

Tidal Investments LLC

$310,185

0.28%

24,657

Squarepoint Ops LLC

$259,839

0.24%

20,655

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	20,655	$259,839	100.0%	Defined

WOODSTOCK CORP

$259,261

0.23%

20,609

Aptus Capital Advisors, LLC

$251,600

0.23%

20,000

Financial Guidance Group, Inc.

$251,600

0.23%

20,000

BANK OF AMERICA CORP /DE/

$248,706

0.23%

19,770

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	19,770	$248,706	100.0%	Defined

Summit Financial, LLC

$246,190

0.22%

19,570

Engineers Gate Manager LP

$245,297

0.22%

19,499

Catalyst Funds Management Pty Ltd

$207,570

0.19%

16,500

Corient Private Wealth LLC

$201,732

0.18%

16,036

NEUBERGER BERMAN GROUP LLC

$188,700

0.17%

15,000

Janney Montgomery Scott LLC

$182,410

0.17%

14,500

XTX Topco Ltd

$180,397

0.16%

14,340

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	14,340	$180,397	100.0%	Defined

Cambridge Investment Research Advisors, Inc.

$178,636

0.16%

14,200

JANE STREET GROUP, LLC

$172,346

0.16%

13,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	13,700	$172,346	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$169,892

0.15%

13,505

IMC-Chicago, LLC

$156,419

0.14%

12,434

Waterloo Capital, L.P.

$144,670

0.13%

11,500

Opal Wealth Advisors, LLC

$125,800

0.11%

10,000

Everhart Financial Group, Inc.

$125,800

0.11%

10,000

Equitable Holdings, Inc.

$125,800

0.11%

10,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EQUITABLE ADVISORS, LLC	10,000	$125,800	100.0%	Defined

Quantbot Technologies LP

$114,817

0.10%

9,127

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	9,127	$114,817	100.0%	Sole

Trifecta Capital Advisors, LLC

$110,075

0.10%

8,750

BNP PARIBAS ARBITRAGE, SA

$92,588

0.08%

7,360

Tower View Wealth Management LLC

$70,020

0.06%

5,566

BlackRock, Inc.

$59,024

0.05%

4,692

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	1,252	$15,750	26.7%	Sole
BlackRock Institutional Trust Company, N.A.	203	$2,553	4.3%	Sole
BlackRock Investment Management (UK) Ltd.	3,237	$40,721	69.0%	Sole

BESSEMER GROUP INC

$46,797

0.04%

3,720

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BESSEMER TRUST Co OF FLORIDA	3,720	$46,797	100.0%	Defined

Steward Partners Investment Advisory, LLC

$41,514

0.04%

3,300

TD Waterhouse Canada Inc.

$32,305

0.03%

2,568

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	2,568	$32,305	100.0%	Defined

Caitlin John, LLC

$26,430

0.02%

2,101

Institute for Wealth Management, LLC.

$20,983

0.02%

1,668

BROWN BROTHERS HARRIMAN & CO

$20,631

0.02%

1,640

ROYAL BANK OF CANADA

$20,128

0.02%

1,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	1,000	$12,580	62.5%	Defined
RBC Europe Ltd	600	$7,548	37.5%	Defined

Altshuler Shaham Ltd

$18,870

0.02%

1,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Altshuler Shaham Yanshuf Gidur Ltd.	1,500	$18,870	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$18,316

0.02%

1,456

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	1,456	$18,316	100.0%	Sole

CITIGROUP INC

$13,573

0.01%

1,079

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	1,079	$13,573	100.0%	Defined

Private Wealth Management Group, LLC

$9,460

0.01%

752

EFG International AG

$8,806

0.01%

700

Global Retirement Partners, LLC

$6,919

0.01%

550

OSAIC HOLDINGS, INC.

$5,912

0.01%

470

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	470	$5,912	100.0%	Defined

State of Wyoming

$5,006

0.00%

398

Stone House Investment Management, LLC

$4,000

0.00%

318

BARCLAYS PLC

$2,931

0.00%

233

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	233	$2,931	100.0%	Defined

IFP Advisors, Inc

$1,258

0.00%

100

Quarry LP

$654

0.00%

FNY Investment Advisers, LLC

$503

0.00%

LMR Partners LLP DRTSW

—

1,494,631

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	1,494,631	$0	—	Sole

TENOR CAPITAL MANAGEMENT Co., L.P. DRTSW

—

150,000

Clal Insurance Enterprises Holdings Ltd DRTSW

—

599,999

Mariner, LLC DRTSW

—

91,666

MMCAP International Inc. SPC DRTSW

—

447,622

GILL CAPITAL PARTNERS, LLC DRTSW

—

500

MOORE CAPITAL MANAGEMENT, LP DRTSW

—

150,000

UBS Group AG DRTSW

—

2,647

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	2,647	$0	—	Defined

MILLENNIUM MANAGEMENT LLC DRTSW

—

62,300

MORGAN STANLEY DRTSW

—

20,475

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	20,475	$0	—	Defined

WHITEBOX ADVISORS LLC DRTSW

—

136,018

WELLS FARGO & COMPANY/MN DRTSW

—

12,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	12,000	$0	—	Defined

JANE STREET GROUP, LLC DRTSW

—

103,427

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	103,427	$0	—	Defined

GOLDMAN SACHS GROUP INC DRTSW

—

69,409

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	69,409	$0	—	Defined

Ionic Capital Management LLC DRTSW

—

54,286

ARISTEIA CAPITAL, L.L.C. DRTSW

—

602,350

Clear Street Group Inc. DRTSW

—

52,666

Circle Wealth Management, LLC DRTSW

—

80,000

WOLVERINE ASSET MANAGEMENT LLC DRTSW

—

319,910

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	319,910	$0	—	Defined

TORNO CAPITAL, LLC DRTSW

—

3,800

Key facts CIK 1871321 CUSIP M0740A108 13F (30d) 4 filings 4 filers Visit website Investor relations