FSP · Franklin Street Properties Corp /Ma/ · Holdings

$0.36 -0.02 (-6.12%)

Market Cap

$42.15M

103.69M

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: 112

Total Value: $29,515,927

Total Shares: 56,763,137

Showing 1–100 of 113 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 112 13F filers · Δ vs Mar 31, 2026

Top Holder

17.9%

+2.6 pts

Top 5

57.2%

+4.1 pts

Top 10

73.7%

+1.3 pts

HHI

817

Broadly held+106

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -5

Institutional value: -31.8%

Shares held: -13.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega AQR CAPITAL MANAGEMENT LLC	+615,421	938,924
Mega CITADEL ADVISORS LLC	+540,270	668,054
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+412,747	442,807
Large RENAISSANCE TECHNOLOGIES LLC	+224,384	1,916,987
Mid Cambria Investment Management, L.P.	+210,672	1,086,643

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−4,603,852	1,390,429
Mega GEODE CAPITAL MANAGEMENT, LLC	−1,350,845	909,782
Mega UBS Group AG	−1,325,214	26,868
Mega STATE STREET CORP	−1,180,280	420,203
Mega MORGAN STANLEY	−570,923	1,175,065

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega JANE STREET GROUP, LLC	854,669	$444,426
Mega MILLENNIUM MANAGEMENT LLC	524,705	$272,846
Large MARSHALL WACE, LLP	252,355	$131,224
Large HRT FINANCIAL LP	134,769	$70,079
Large Schonfeld Strategic Advisors LLC	86,259	$44,854

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Madison Avenue Partners, LP	1,080,132	$712,887
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	533,567	$352,154
Large LOS ANGELES CAPITAL MANAGEMENT LLC	501,423	$330,939
Mega Bank of New York Mellon Corp	221,609	$146,260
Mega Nuveen, LLC	133,939	$88,399

Filter: New 26 Increased 29 Reduced 35 Sold out 31 Unchanged 22

Showing 100 of 113

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

PRIVATE MANAGEMENT GROUP INC

$5,283,811

17.90%

10,161,175

Newtyn Management, LLC

$3,718,000

12.60%

7,150,000

Converium Capital Inc.

$3,436,408

11.64%

6,608,478

BANK OF AMERICA CORP /DE/

$2,490,401

8.44%

4,789,235

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	3,930,962	$2,044,100	82.1%	Defined
BOFA SECURITIES, INC.	858,273	$446,301	17.9%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$1,942,843

6.58%

3,736,238

GUARDSMAN PRIVATE CAPITAL MANAGEMENT, INC.

$1,491,969

5.05%

2,869,173

ACADIAN ASSET MANAGEMENT LLC

$1,038,047

3.52%

1,996,246

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	1,996,246	$1,038,047	100.0%	Defined

RENAISSANCE TECHNOLOGIES LLC

$996,833

3.38%

1,916,987

BlackRock, Inc.

$723,023

2.45%

1,390,429

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	2,050	$1,066	0.1%	Sole
BlackRock Institutional Trust Company, N.A.	1,384,479	$719,929	99.6%	Sole
BlackRock Japan Co. Ltd	3,900	$2,028	0.3%	Sole

CONFLUENCE INVESTMENT MANAGEMENT LLC

$640,461

2.17%

1,231,656

MORGAN STANLEY

$611,030

2.07%

1,175,065

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	8,009	$4,164	0.7%	Defined
MORGAN STANLEY & CO. LLC	2,984	$1,551	0.3%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	1,057,315	$549,803	90.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	57,866	$30,089	4.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	48,891	$25,423	4.2%	Defined

Cambria Investment Management, L.P.

$565,054

1.91%

1,086,643

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

Manager	Shares	Value (USD)	% of position	Discretion
Tidal Investments LLC	1,086,643	$565,054	100.0%	Other

RBF Capital, LLC

$498,397

1.69%

958,456

AQR CAPITAL MANAGEMENT LLC

$488,237

1.65%

938,924

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	49	$25	0.0%	Other
Prism Planning Partners LLC	16	$8	0.0%	Other
Compound Planning, Inc.	31	$16	0.0%	Other
Arax Advisory Partners	13,698	$7,122	1.5%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	5,684	$2,955	0.6%	Other
Stokes Family Office, LLC	2,628	$1,366	0.3%	Other
Held directly	916,818	$476,745	97.6%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$473,086

1.60%

909,782

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	174,705	$90,846	19.2%	Defined
Held directly	735,077	$382,240	80.8%	Defined

JANE STREET GROUP, LLC

$444,426

1.51%

854,669

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	303,296	$157,713	35.5%	Defined
Jane Street Global Trading, LLC	551,373	$286,713	64.5%	Defined

CITADEL ADVISORS LLC

$340,576

1.15%

654,954

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	654,954	$340,576	100.0%	Defined

GOLDMAN SACHS GROUP INC

$294,728

1.00%

566,786

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	353,608	$183,876	62.4%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	213,178	$110,852	37.6%	Defined

MILLENNIUM MANAGEMENT LLC

$272,846

0.92%

524,705

GSA CAPITAL PARTNERS LLP

$259,737

0.88%

499,496

VANGUARD FIDUCIARY TRUST CO

$255,113

0.86%

490,602

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$230,258

0.78%

442,807

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	427,296	$222,193	96.5%	Other
G1 EXECUTION SERVICES, LLC	15,511	$8,065	3.5%	Other

DIMENSIONAL FUND ADVISORS LP

$220,120

0.75%

423,310

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.	4,400	$2,288	1.0%	Defined
Dimensional Ireland Ltd	28,121	$14,622	6.6%	Defined
Held directly	390,789	$203,210	92.3%	Sole

STATE STREET CORP

$218,505

0.74%

420,203

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

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	420,203	$218,505	100.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$207,603

0.70%

399,237

TWO SIGMA INVESTMENTS, LP

$199,627

0.68%

383,899

WITTENBERG INVESTMENT MANAGEMENT, INC.

$173,000

0.59%

332,694

Qube Research & Technologies Ltd

$161,340

0.55%

310,270

PRELUDE CAPITAL MANAGEMENT, LLC

$139,754

0.47%

268,759

MARSHALL WACE, LLP

$131,224

0.44%

252,355

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	252,355	$131,224	100.0%	Other

XTX Topco Ltd

$120,617

0.41%

231,957

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	231,957	$120,617	100.0%	Defined

Summit Trail Advisors, LLC

$104,681

0.35%

201,311

NORTHERN TRUST CORP

$103,410

0.35%

198,867

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	198,867	$103,410	100.0%	Defined

Integrated Wealth Concepts LLC

$77,423

0.26%

148,891

FRANKLIN RESOURCES INC

$76,105

0.26%

146,357

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

Manager	Shares	Value (USD)	% of position	Discretion
Fiduciary Trust International of the South	14,722	$7,655	10.1%	Defined
FRANKLIN ADVISERS INC	131,635	$68,450	89.9%	Defined

D. E. Shaw & Co., Inc.

$71,653

0.24%

137,795

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

Manager	Shares	Value (USD)	% of position	Discretion
D. E. Shaw Investment Management, L.L.C. joint	137,795	$71,653	100.0%	Defined

HRT FINANCIAL LP

$70,079

0.24%

134,769

Asset Management One Co., Ltd.

$64,066

0.22%

123,204

IEQ CAPITAL, LLC

$59,754

0.20%

114,912

BI Asset Management Fondsmaeglerselskab A/S

$56,790

0.19%

109,213

NOMURA ASSET MANAGEMENT CO LTD

$49,504

0.17%

95,200

Schonfeld Strategic Advisors LLC

$44,854

0.15%

86,259

Virtu Financial LLC

$41,369

0.14%

79,556

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	79,556	$41,369	100.0%	Defined

ROYAL BANK OF CANADA

$39,197

0.13%

75,381

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	243	$126	0.3%	Defined
RBC Capital Markets, LLC	30,005	$15,602	39.8%	Defined
RBC Dominion Securities Inc.	45,000	$23,400	59.7%	Defined
Held directly	133	$69	0.2%	Sole

Cerity Partners LLC

$36,567

0.12%

70,324

Mitsubishi UFJ Asset Management Co., Ltd.

$34,601

0.12%

66,542

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

Manager	Shares	Value (USD)	% of position	Discretion
MITSUBISHI UFJ FINANCIAL GROUP INC	66,542	$34,601	100.0%	Defined

BFSG, LLC

$33,488

0.11%

64,400

Invesco Ltd.

$32,864

0.11%

63,200

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	63,200	$32,864	100.0%	Defined

Ground Swell Capital, LLC

$31,539

0.11%

60,653

Sumitomo Mitsui Trust Group, Inc.

$31,338

0.11%

60,267

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

Manager	Shares	Value (USD)	% of position	Discretion
Amova Asset Management Co., Ltd.	60,267	$31,338	100.0%	Defined

Vanguard Global Advisers, LLC

$27,846

0.09%

53,551

Point72 Asset Management, L.P.

$23,196

0.08%

44,609

Secure Asset Management, LLC

$21,705

0.07%

41,742

Resona Asset Management Co.,Ltd.

$19,247

0.07%

37,014

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

Manager	Shares	Value (USD)	% of position	Discretion
RESONA HOLDINGS INC	37,014	$19,247	100.0%	Other

Allspring Global Investments Holdings, LLC

$19,132

0.06%

36,794

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

Manager	Shares	Value (USD)	% of position	Discretion
Allspring Funds Management, LLC reporting on behalf of Morgan Stanley Smith Barney, LLC	36,794	$19,132	100.0%	Defined

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$17,899

0.06%

34,423

Mariner, LLC

$16,667

0.06%

32,053

Daiwa Securities Group Inc.

$14,357

0.05%

27,610

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

Manager	Shares	Value (USD)	% of position	Discretion
Daiwa Asset Management Co. Ltd	27,610	$14,357	100.0%	Sole

UBS Group AG

$13,970

0.05%

26,868

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	101	$52	0.4%	Defined
UBS AG	1,347	$700	5.0%	Defined
UBS Securities LLC	25,420	$13,218	94.6%	Defined

MERCER GLOBAL ADVISORS INC /ADV

$13,495

0.05%

25,953

&PARTNERS

$13,000

0.04%

25,000

Callan Family Office, LLC

$12,413

0.04%

23,872

GTS SECURITIES LLC

$12,104

0.04%

23,277

Beartown Capital Management, LLC

$10,331

0.04%

19,868

COLDSTREAM CAPITAL MANAGEMENT INC

$10,284

0.03%

19,777

CAPTRUST FINANCIAL ADVISORS

$9,530

0.03%

18,328

Creative Planning

$9,258

0.03%

17,805

Sumitomo Mitsui DS Asset Management Company, Ltd

$7,859

0.03%

15,115

Glenview Trust Co

$7,578

0.03%

14,574

Arax Advisory Partners

$7,485

0.03%

14,395

NISSAY ASSET MANAGEMENT CORP /JAPAN

$7,111

0.02%

13,676

Balyasny Asset Management L.P.

$6,879

0.02%

13,229

CITADEL ADVISORS LLC

$6,812

0.02%

13,100

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	13,100	$6,812	100.0%	Defined

BRIGHTON JONES LLC

$6,370

0.02%

12,250

Greenspring Advisors, LLC

$6,049

0.02%

11,634

FMR LLC

$5,687

0.02%

10,938

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	10,938	$5,687	100.0%	Defined

FIDELIS CAPITAL PARTNERS, LLC

$5,684

0.02%

10,931

Pallas Capital Advisors LLC

$5,508

0.02%

10,594

FIRST TRUST ADVISORS LP

$5,490

0.02%

10,558

Merit Financial Group, LLC

$5,403

0.02%

10,393

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

Manager	Shares	Value (USD)	% of position	Discretion
AQR Capital Management	9,182	$4,774	88.4%	Other
Held directly	1,211	$629	11.6%	Sole

TWO SIGMA SECURITIES, LLC

$5,385

0.02%

10,356

StoneX Group Inc.

$5,376

0.02%

10,339

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

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	10,339	$5,376	100.0%	Defined

JNBA Financial Advisors

$5,210

0.02%

10,021

BARCLAYS PLC

$4,786

0.02%

9,205

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	1	$0	0.0%	Defined
BARCLAYS CAPITAL INC.	9,204	$4,786	100.0%	Defined

Tower Research Capital LLC (TRC)

$3,913

0.01%

7,525

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)	7,525	$3,913	100.0%	Defined

JPMORGAN CHASE & CO

$3,442

0.01%

6,621

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 plc	6,620	$3,442	100.0%	Defined
J.P. Morgan SE	1	$0	0.0%	Defined

OAKWORTH CAPITAL, INC.

$1,303

0.00%

2,507

North Star Investment Management Corp.

$1,248

0.00%

2,400

MetLife Investment Management, LLC

$1,169

0.00%

2,249

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

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	2,249	$1,169	100.0%	Defined

NISA INVESTMENT ADVISORS, LLC

$1,099

0.00%

2,115

HARBOR CAPITAL ADVISORS, INC.

$1,003

0.00%

1,930

EverSource Wealth Advisors, LLC

$996

0.00%

1,919

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	174	$90	9.0%	Sole
Held directly	1,745	$906	91.0%	Sole

Steward Partners Investment Advisory, LLC

$936

0.00%

1,800

Allworth Financial LP

$880

0.00%

1,694

BNP PARIBAS ARBITRAGE, SA

$704

0.00%

1,355

Essential Partners LLC

$695

0.00%

1,338

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

$676

0.00%

1,300

Bare Financial Services, Inc

$509

0.00%

980

GAMMA Investing LLC

$404

0.00%

777

Transamerica Financial Advisors, LLC

$249

0.00%

479

Key facts CIK 1031316 CUSIP 35471R106 13F (30d) 73 filings 73 filers Visit website Investor relations