TCRX · TScan Therapeutics, Inc. · Holdings

$0.32 +0.00 (+0.79%) At close · Sep 11

Market Cap

$21.72M

67.78M

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: 60

Total Value: $35,119,728

Total Shares: 35,836,493

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 60 13F filers · Δ vs Mar 31, 2026

Top Holder

22.4%

−2.3 pts

Top 5

57.1%

−5.5 pts

Top 10

74.1%

−7.6 pts

HHI

966

Broadly held−180

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: 0

Institutional value: +7.0%

Shares held: +10.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large ACADIAN ASSET MANAGEMENT LLC	+1,103,853	1,305,840
Mega TWO SIGMA INVESTMENTS, LP	+740,595	1,949,604
Mega CITADEL ADVISORS LLC	+690,696	1,009,107
Large MARSHALL WACE, LLP	+450,018	687,364
Large JACOBS LEVY EQUITY MANAGEMENT, INC	+241,450	1,049,806

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−846,298	994,654
Mega MILLENNIUM MANAGEMENT LLC	−296,674	1,163,611
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−133,605	23,623
Large RENAISSANCE TECHNOLOGIES LLC	−37,984	1,326,799
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC	−35,000	76,900

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid BOOTHBAY FUND MANAGEMENT, LLC	772,241	$756,796
Small Kalehua Capital Management LLC	454,876	$445,778
Mid MIZUHO SECURITIES USA LLC	205,600	$201,488
Large HRT FINANCIAL LP	164,601	$161,308
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C.	25,864	$25,345

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large Aberdeen Group plc	918,020	$927,200
Small NINE MASTS CAPITAL Ltd	41,740	$42,157
Large PRUDENTIAL FINANCIAL INC	29,800	$30,098
Large PANAGORA ASSET MANAGEMENT INC	28,797	$29,084
Mega LPL Financial LLC	22,500	$22,725

Filter: New 7 Increased 23 Reduced 12 Sold out 7 Unchanged 18

Showing 60 of 60

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Lynx1 Capital Management LP

$7,858,765

22.38%

8,019,148

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

Manager	Shares	Value (USD)	% of position	Discretion
Lynx1 Capital Advisors LLC	8,019,148	$7,858,765	100.0%	Other

BVF INC/IL

$5,453,004

15.53%

5,564,290

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

Manager	Shares	Value (USD)	% of position	Discretion
BVF PARTNERS L P/IL	5,564,290	$5,453,004	100.0%	Defined

BAKER BROS. ADVISORS LP

$2,729,096

7.77%

2,784,792

VANGUARD CAPITAL MANAGEMENT LLC

$2,115,654

6.02%

2,158,831

TWO SIGMA INVESTMENTS, LP

$1,910,611

5.44%

1,949,604

RENAISSANCE TECHNOLOGIES LLC

$1,300,263

3.70%

1,326,799

ACADIAN ASSET MANAGEMENT LLC

$1,279,723

3.64%

1,305,840

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	1,305,840	$1,279,723	100.0%	Defined

Deer Management Co. LLC

$1,220,593

3.48%

1,245,504

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

Manager	Shares	Value (USD)	% of position	Discretion
Deer IX & Co. Ltd. joint	1,245,504	$1,220,593	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$1,140,338

3.25%

1,163,611

JACOBS LEVY EQUITY MANAGEMENT, INC

$1,028,809

2.93%

1,049,806

CITADEL ADVISORS LLC

$988,924

2.82%

1,009,107

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	982,757	$963,101	97.4%	Defined
Held directly	26,350	$25,823	2.6%	Defined

BlackRock, Inc.

$974,759

2.78%

994,654

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

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	11,250	$11,025	1.1%	Sole
BLACKROCK ADVISORS LLC	265,569	$260,257	26.7%	Sole
BlackRock Fund Advisors	167,533	$164,182	16.8%	Sole
BlackRock Institutional Trust Company, N.A.	426,796	$418,260	42.9%	Sole
BlackRock Investment Management (UK) Ltd.	123,506	$121,035	12.4%	Sole

BOOTHBAY FUND MANAGEMENT, LLC

$756,796

2.15%

772,241

MARSHALL WACE, LLP

$673,616

1.92%

687,364

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

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	687,364	$673,616	100.0%	Other

DC Funds, LP

$617,400

1.76%

630,000

GEODE CAPITAL MANAGEMENT, LLC

$573,114

1.63%

584,811

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

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	109,045	$106,864	18.6%	Defined
Held directly	475,766	$466,250	81.4%	Defined

D. E. Shaw & Co., Inc.

$537,433

1.53%

548,402

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

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	184,935	$181,236	33.7%	Defined
D. E. Shaw Investment Management, L.L.C. joint	363,467	$356,197	66.3%	Defined

GSA CAPITAL PARTNERS LLP

$537,125

1.53%

548,087

Kalehua Capital Management LLC

$445,778

1.27%

454,876

VANGUARD FIDUCIARY TRUST CO

$356,674

1.02%

363,954

JANE STREET GROUP, LLC

$236,662

0.67%

241,493

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	210,562	$206,350	87.2%	Defined
Jane Street Global Trading, LLC	30,931	$30,312	12.8%	Defined

Verdad Advisers, LP

$228,103

0.65%

232,759

STATE STREET CORP

$203,166

0.58%

207,313

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

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	207,313	$203,166	100.0%	Defined

MIZUHO SECURITIES USA LLC

$201,488

0.57%

205,600

MORGAN STANLEY

$193,932

0.55%

197,891

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	642	$629	0.3%	Defined
MORGAN STANLEY & CO. LLC	1,407	$1,378	0.7%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	41,945	$41,106	21.2%	Defined
MORGAN STANLEY SMITH BARNEY LLC	153,897	$150,819	77.8%	Defined

HRT FINANCIAL LP

$161,308

0.46%

164,601

XTX Topco Ltd

$146,477

0.42%

149,467

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	149,467	$146,477	100.0%	Defined

BROWN BROTHERS HARRIMAN & CO

$140,189

0.40%

143,051

NORTHERN TRUST CORP

$136,002

0.39%

138,778

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

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	138,778	$136,002	100.0%	Defined

LETKO, BROSSEAU & ASSOCIATES INC

$93,957

0.27%

95,875

NewEdge Wealth, LLC

$89,633

0.26%

91,463

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$75,362

0.21%

76,900

GOLDMAN SACHS GROUP INC

$69,103

0.20%

70,514

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	70,514	$69,103	100.0%	Defined

AMERIPRISE FINANCIAL INC

$68,097

0.19%

69,487

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

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	69,487	$68,097	100.0%	Defined

UBS Group AG

$67,494

0.19%

68,873

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	55,284	$54,178	80.3%	Defined
UBS Europe SE	28	$27	0.0%	Defined
UBS Securities LLC	13,561	$13,289	19.7%	Defined

STIFEL FINANCIAL CORP

$66,836

0.19%

68,200

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

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	68,200	$66,836	100.0%	Defined

DIMENSIONAL FUND ADVISORS LP

$64,027

0.18%

65,335

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

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	2,473	$2,423	3.8%	Defined
DFA Australia Ltd.	1,622	$1,589	2.5%	Defined
Dimensional Ireland Ltd	23,947	$23,468	36.7%	Defined
Held directly	37,293	$36,547	57.1%	Sole

Kestra Advisory Services, LLC

$61,274

0.17%

62,525

BANK OF AMERICA CORP /DE/

$48,117

0.14%

49,100

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

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	37,584	$36,832	76.5%	Defined
BOFA SECURITIES, INC.	11,516	$11,285	23.5%	Defined

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$35,868

0.10%

36,600

DC Investments Management, LLC

$34,851

0.10%

35,563

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

Manager	Shares	Value (USD)	% of position	Discretion
DC Funds, LP	35,563	$34,851	100.0%	Defined

LANDSCAPE CAPITAL MANAGEMENT, L.L.C.

$25,345

0.07%

25,864

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

Manager	Shares	Value (USD)	% of position	Discretion
Landscape High Leverage Fund, LP	4,834	$4,737	18.7%	Defined
LANDSCAPE OFFSHORE HL FUND LTD.	13,507	$13,236	52.2%	Defined
Held directly	7,523	$7,372	29.1%	Sole

HSBC HOLDINGS PLC

$24,082

0.07%

24,574

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	24,574	$24,082	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$23,150

0.07%

23,623

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

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	23,623	$23,150	100.0%	Other

BARCLAYS PLC

$18,786

0.05%

19,170

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	17,080	$16,738	89.1%	Defined
BARCLAYS CAPITAL INC.	2,090	$2,048	10.9%	Defined

R Squared Ltd

$17,992

0.05%

18,360

Vanguard Personalized Indexing Management, LLC

$17,599

0.05%

17,959

JPMORGAN CHASE & CO

$16,128

0.05%

16,458

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	15,281	$14,975	92.9%	Defined
J.P. Morgan Securities plc	1,177	$1,153	7.1%	Defined

Vanguard Global Advisers, LLC

$15,390

0.04%

15,705

OSAIC HOLDINGS, INC.

$12,000

0.03%

12,245

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	12,245	$12,000	100.0%	Defined

Aries Wealth Management

$9,800

0.03%

10,000

Global Retirement Partners, LLC

$9,800

0.03%

10,000

FEDERATED HERMES, INC.

$3,902

0.01%

3,982

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

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED MDTA LLC	3,982	$3,902	100.0%	Defined

Tower Research Capital LLC (TRC)

$2,498

0.01%

2,549

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

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,549	$2,498	100.0%	Defined

FMR LLC

$1,372

0.00%

1,400

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

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	1,400	$1,372	100.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$698

0.00%

713

SBI Securities Co., Ltd.

$384

0.00%

392

Strategic Wealth Partners, Ltd.

$304

0.00%

311

ROYAL BANK OF CANADA

$76

0.00%

Caitong International Asset Management Co., Ltd

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
abrdn Inc.	918,020	$927,200	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	29,800	$30,098	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	18,140	$18,321	100.0%	Defined

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	$1	100.0%	Defined

Key facts CIK 1783328 CUSIP 89854M101 13F (30d) 26 filings 26 filers Visit website Investor relations