SSTI · Soundthinking, Inc. · Holdings

$5.61 -0.03 (-0.53%) At close · Sep 11

Market Cap

$73.85M

13.16M

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: 76

Total Value: $64,189,931

Total Shares: 7,092,816

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 76 13F filers · Δ vs Mar 31, 2026

Top Holder

29.5%

+3.7 pts

Top 5

62.7%

+3.6 pts

Top 10

77.6%

+2.5 pts

HHI

1,288

Broadly held+233

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -13

Institutional value: +19.5%

Shares held: -12.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega AQR CAPITAL MANAGEMENT LLC	+171,778	300,920
Small Kopion Asset Management, LLC	+142,346	1,114,648
Mega JANE STREET GROUP, LLC	+54,125	149,621
Large Quantinno Capital Management LP	+48,326	284,907
Mega GOLDMAN SACHS GROUP INC	+42,331	132,111

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−476,811	358,065
Mega STATE STREET CORP	−161,303	42,604
Mega GEODE CAPITAL MANAGEMENT, LLC	−155,974	108,145
Mega NORTHERN TRUST CORP	−58,063	23,491
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−49,692	79,991

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large MARSHALL WACE, LLP	130,389	$1,180,020
Mega MILLENNIUM MANAGEMENT LLC	81,135	$734,271
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	46,087	$417,087
Large GREAT LAKES ADVISORS, LLC	30,099	$272,395
Large IEQ CAPITAL, LLC	21,326	$193,000

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large FEDERATED HERMES, INC.	450,000	$2,979,000
Mid DISCIPLINED GROWTH INVESTORS INC /MN	196,468	$1,300,618
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	56,703	$375,373
Mega Nuveen, LLC	33,192	$219,730
Mega Bank of New York Mellon Corp	26,159	$173,171

Filter: New 18 Increased 29 Reduced 23 Sold out 31 Unchanged 6

Showing 78 of 78

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Veradace Capital Management LLC

$18,913,640

29.47%

2,089,905

Kopion Asset Management, LLC

$10,087,564

15.72%

1,114,648

RICE HALL JAMES & ASSOCIATES, LLC

$4,225,083

6.58%

466,860

VANGUARD CAPITAL MANAGEMENT LLC

$3,764,329

5.86%

415,948

BlackRock, Inc.

$3,240,483

5.05%

358,065

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	94,196	$852,473	26.3%	Sole
BlackRock Investment Management, LLC	3,343	$30,254	0.9%	Sole
BLACKROCK ADVISORS LLC	46,555	$421,322	13.0%	Sole
BlackRock Fund Advisors	33,499	$303,165	9.4%	Sole
BlackRock Institutional Trust Company, N.A.	156,672	$1,417,881	43.8%	Sole
BlackRock Japan Co. Ltd	6,834	$61,847	1.9%	Sole
BlackRock Investment Management (UK) Ltd.	16,672	$150,881	4.7%	Sole
Aperio Group, LLC	294	$2,660	0.1%	Sole

AQR CAPITAL MANAGEMENT LLC

$2,723,324

4.24%

300,920

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

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	10	$90	0.0%	Other
Arax Advisory Partners	8,210	$74,300	2.7%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	1,839	$16,642	0.6%	Other
Stokes Family Office, LLC	681	$6,163	0.2%	Other
Held directly	290,180	$2,626,129	96.4%	Defined

Quantinno Capital Management LP

$2,578,408

4.02%

284,907

Pullen Investment Management, LLC

$1,748,523

2.72%

193,207

JANE STREET GROUP, LLC

$1,256,329

1.96%

138,821

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	88,975	$805,223	64.1%	Defined
Jane Street Global Trading, LLC	49,846	$451,106	35.9%	Defined

GOLDMAN SACHS GROUP INC

$1,195,603

1.86%

132,111

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	96,058	$869,324	72.7%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	36,053	$326,279	27.3%	Defined

MARSHALL WACE, LLP

$1,180,020

1.84%

130,389

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	130,389	$1,180,020	100.0%	Other

ACADIAN ASSET MANAGEMENT LLC

$1,016,649

1.58%

112,337

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	112,337	$1,016,649	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$978,711

1.52%

108,145

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	21,769	$197,009	20.1%	Defined
Held directly	86,376	$781,702	79.9%	Defined

DIMENSIONAL FUND ADVISORS LP

$918,346

1.43%

101,475

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.	1,310	$11,855	1.3%	Defined
DFA Australia Ltd.	1,436	$12,995	1.4%	Defined
Dimensional Ireland Ltd	10,634	$96,237	10.5%	Defined
Held directly	88,095	$797,259	86.8%	Sole

MILLENNIUM MANAGEMENT LLC

$734,271

1.14%

81,135

MORGAN STANLEY

$634,222

0.99%

70,080

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	932	$8,434	1.3%	Defined
MORGAN STANLEY & CO. LLC	563	$5,095	0.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	30,206	$273,364	43.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	367	$3,321	0.5%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	38,012	$344,008	54.2%	Defined

RENAISSANCE TECHNOLOGIES LLC

$553,244

0.86%

61,132

VANGUARD FIDUCIARY TRUST CO

$545,742

0.85%

60,303

Point72 Asset Management, L.P.

$493,369

0.77%

54,516

XTX Topco Ltd

$485,360

0.76%

53,631

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	53,631	$485,360	100.0%	Defined

MERCER GLOBAL ADVISORS INC /ADV

$471,550

0.73%

52,105

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$417,087

0.65%

46,087

GSA CAPITAL PARTNERS LLP

$413,123

0.64%

45,649

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$409,883

0.64%

45,291

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	45,291	$409,883	100.0%	Other

STATE STREET CORP

$385,566

0.60%

42,604

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	42,604	$385,566	100.0%	Defined

HSBC HOLDINGS PLC

$371,457

0.58%

41,045

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	41,045	$371,457	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$314,035

0.49%

34,700

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	34,700	$314,035	100.0%	Other

GREAT LAKES ADVISORS, LLC

$272,395

0.42%

30,099

TWO SIGMA INVESTMENTS, LP

$245,499

0.38%

27,127

NORTHERN TRUST CORP

$212,592

0.33%

23,491

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	23,491	$212,592	100.0%	Defined

BARCLAYS PLC

$207,868

0.32%

22,969

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	22,258	$201,434	96.9%	Defined
BARCLAYS CAPITAL INC.	711	$6,434	3.1%	Defined

JPMORGAN CHASE & CO

$197,705

0.31%

21,846

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

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	375	$3,393	1.7%	Defined
J.P. Morgan Securities LLC	21,241	$192,231	97.2%	Defined
J.P. Morgan Securities plc	230	$2,081	1.1%	Defined

IEQ CAPITAL, LLC

$193,000

0.30%

21,326

CITADEL ADVISORS LLC

$189,633

0.30%

20,954

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	20,954	$189,633	100.0%	Defined

R Squared Ltd

$175,932

0.27%

19,440

Jain Global LLC

$170,212

0.27%

18,808

OCCUDO QUANTITATIVE STRATEGIES LP

$164,510

0.26%

18,178

UBS Group AG

$156,574

0.24%

17,301

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	481	$4,353	2.8%	Defined
UBS AG	16,820	$152,221	97.2%	Defined

Qube Research & Technologies Ltd

$150,954

0.24%

16,680

Jump Financial, LLC

$141,180

0.22%

15,600

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

Manager	Shares	Value (USD)	% of position	Discretion
Leap GP LLC joint	15,600	$141,180	100.0%	Defined

Squarepoint Ops LLC

$130,437

0.20%

14,413

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	14,413	$130,437	100.0%	Defined

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$125,939

0.20%

13,916

Quadrature Capital Ltd

$120,021

0.19%

13,262

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

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	13,262	$120,021	100.0%	Other

Inscription Capital, LLC

$115,487

0.18%

12,761

Cerity Partners LLC

$114,210

0.18%

12,620

Williams & Novak, LLC

$103,179

0.16%

11,401

HRT FINANCIAL LP

$100,427

0.16%

11,097

Schonfeld Strategic Advisors LLC

$100,047

0.16%

11,055

JANE STREET GROUP, LLC

$97,740

0.15%

10,800

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	10,800	$97,740	100.0%	Defined

Catalyst Funds Management Pty Ltd

$95,930

0.15%

10,600

Arax Advisory Partners

$93,975

0.15%

10,384

Versant Capital Management, Inc

$84,210

0.13%

9,305

FMR LLC

$79,558

0.12%

8,791

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	8,791	$79,558	100.0%	Defined

ROYAL BANK OF CANADA

$52,533

0.08%

5,805

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	37	$334	0.6%	Defined
RBC Capital Markets, LLC	5,754	$52,073	99.1%	Defined
Held directly	14	$126	0.2%	Sole

FOSTER DYKEMA CABOT & PARTNERS, LLC

$52,245

0.08%

5,773

RHUMBLINE ADVISERS

$46,643

0.07%

5,154

Russell Investments Group, Ltd.

$33,475

0.05%

3,699

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

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	70	$633	1.9%	Defined
Russell Investments Japan Co., LTD. joint	3,629	$32,842	98.1%	Other

Vanguard Global Advisers, LLC

$31,503

0.05%

3,481

Tower Research Capital LLC (TRC)

$30,552

0.05%

3,376

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)	3,376	$30,552	100.0%	Defined

GAMMA Investing LLC

$15,403

0.02%

1,702

PNC FINANCIAL SERVICES GROUP, INC.

$5,891

0.01%

651

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

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	651	$5,891	100.0%	Defined

EverSource Wealth Advisors, LLC

$5,862

0.01%

648

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

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	40	$361	6.2%	Sole
Held directly	608	$5,501	93.8%	Sole

BNP PARIBAS ARBITRAGE, SA

$5,239

0.01%

579

Essential Partners LLC

$4,778

0.01%

528

Allworth Financial LP

$3,873

0.01%

428

Farther Finance Advisors, LLC

$1,791

0.00%

198

Larson Financial Group LLC

$1,257

0.00%

139

True Wealth Design, LLC

$1,058

0.00%

117

GROUP ONE TRADING LLC

$905

0.00%

100

ROTHSCHILD INVESTMENT LLC

$497

0.00%

IFP Advisors, Inc

$479

0.00%

Transamerica Financial Advisors, LLC

$280

0.00%

Fortitude Family Office, LLC

$253

0.00%

SJS Investment Consulting Inc.

$117

0.00%

Clearstead Advisors, LLC

$81

0.00%

Caitong International Asset Management Co., Ltd

$36

0.00%

Optiver Holding B.V.

$36

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	4	$36	100.0%	Defined

SBI Securities Co., Ltd.

0.00%

Key facts CIK 1351636 CUSIP 82536T107 13F (30d) 23 filings 23 filers Visit website Investor relations