13F

Stock

Forrester Resh Inc

Ticker not mapped · held by 102 managers

Reported value

$58.2M

Holders

102

+14 new · −24 exited

Holders’ est. mark

−$14M

Price effect on 84 books still in the name

Largest holder

$8.72M

Portolan Capital Management, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Portolan Capital Management, LLC1.54M$8.72M−$1.74MAdded$2.99M
BlackRock, Inc.907.4K$5.14M−$2.23MCut−$2.63M
FIRST MANHATTAN CO. LLC.750K$4.25M−$214.5KAdded$3.54M
Pacific Ridge Capital Partners, LLC710.8K$4.02M−$1.45MCut−$758.4K
Nantahala Capital Management, LLC694.4K$3.93MNew
VANGUARD CAPITAL MANAGEMENT LLC486.9K$2.76MHeld
ArrowMark Colorado Holdings LLC473K$2.68M−$1.16MCut−$1.84M
Renaissance Technologies436.7K$2.47M−$1.07MCut−$1.17M
SUSQUEHANNA INTERNATIONAL GROUP, LLP389.3K$2.2MNew
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC383.6K$2.17M−$859.1KCut−$664.7K
GEODE CAPITAL MANAGEMENT, LLC316.8K$1.79M−$734.2KCut−$630.3K
SEI INVESTMENTS CO284.4K$1.61M−$329.5KAdded$522.2K
DIMENSIONAL FUND ADVISORS LP266.4K$1.51M−$655KCut−$1.72M
State Street259.1K$1.47M−$629.1KCut−$610.3K
Quantinno Capital Management LP224.1K$1.27M−$304.6KAdded$263K
Icahn Capital185.9K$1.05M−$242.7KAdded$251.2K
BRIDGEWAY CAPITAL MANAGEMENT, LLC150.9K$853.9K−$371.1KCut−$371.1K
Nierenberg Investment Management Company, LLC131.1K$742.1K−$28.4KAdded$648.3K
GOLDMAN SACHS GROUP INC127.6K$722.4K−$214.9KAdded$13.2K
NORTHERN TRUST CORP102.6K$581K−$246.1KCut−$231.3K
MORGAN STANLEY102.1K$577.7K−$251.1KCut−$452.7K
TWO SIGMA INVESTMENTS, LP101.6K$575.1K−$249.9KCut−$409.1K
VANGUARD PORTFOLIO MANAGEMENT LLC98.2K$555.7KHeld
KESTREL INVESTMENT MANAGEMENT CORP91.5K$517.9K$517.1KAdded$517.1K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC88.9K$503.4K−$218.8KCut−$258.2K
JANE STREET GROUP, LLC86.3K$488.7KNew
VANGUARD FIDUCIARY TRUST CO74K$418.7KHeld
Clear Street Group Inc.69.9K$395.9KNew
Bank of New York Mellon Corp68.8K$389.2K−$163.6KCut−$150.7K
K2 PRINCIPAL FUND, L.P.50.2K$284KNew
BANK OF AMERICA CORP /DE/45.6K$258.3K−$112.3KCut−$337.8K
AMERIPRISE FINANCIAL INC43.3K$245.3K−$106.6KCut−$124.7K
HSBC HOLDINGS PLC39.3K$224.9K−$89.6KCut−$96K
FEDERATED HERMES, INC.37.8K$213.7K−$92.9KCut−$1.72M
BARCLAYS PLC35.2K$199.5K−$86.7KCut−$212.8K
Squarepoint Ops LLC34.8K$197.2K−$76.6KCut−$55.7K
Trexquant Investment LP33.6K$190.3K−$82.7KCut−$267.9K
XTX Topco Ltd26.2K$148.5KNew
D. E. Shaw & Co., Inc.25.8K$146.1K−$63.5KCut−$847.2K
ALLIANCEBERNSTEIN L.P.17.6K$143.1K$0Held
MERCER GLOBAL ADVISORS INC /ADV23.8K$134.5KNew
SIMPLEX TRADING, LLC22.6K$127.6KNew
Invesco Ltd.20.6K$116.6K−$43.7KCut−$27.7K
Qube Research & Technologies Ltd20.1K$113.9K−$49.5KCut−$336.9K
Nuveen, LLC18.6K$105.5K−$45.5KCut−$44.7K
Inscription Capital, LLC17.2K$97.2K−$27.5KAdded$6.48K
IEQ CAPITAL, LLC16.3K$92.5K−$30.9KCut−$9.38K
RHUMBLINE ADVISERS14.6K$82.4K−$35.8KCut−$39.8K
AUXIER ASSET MANAGEMENT LLC13.1K$74K−$32.2KCut−$38.7K
PNC Financial Services Group, Inc.12.6K$71.3K−$31KCut−$34.1K
AMERICAN CENTURY COMPANIES INC11.7K$66.3K−$28.8KCut−$28.8K
STRS OHIO11.1K$62.8K−$27.3KCut−$27.3K
CWM, LLC9.33K$52.8K$30.8KAdded$52.8K
Fidelity7.27K$41.1K−$10.1KAdded$7.83K
DEUTSCHE BANK AG\7.25K$41.1K−$17.8KCut−$17.8K
BNP PARIBAS FINANCIAL MARKETS6.31K$35.7K−$15.5KCut−$73.5K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5.59K$31.7K−$13.4KCut−$12.7K
Versant Capital Management, Inc5.12K$29K−$10.9KCut−$7.04K
ELKHORN PARTNERS LIMITED PARTNERSHIP5K$28.3K−$7.38KAdded$3.94K
JPMORGAN CHASE & CO4.88K$27.7K−$12KCut−$1.59M
Russell Investments Group, Ltd.4.73K$26.8K−$2.85KAdded$17.3K
NEW YORK STATE COMMON RETIREMENT FUND4.7K$26.6K−$11.6KCut−$11.6K
WELLS FARGO & COMPANY/MN4.35K$24.6K−$10.7KCut−$79.7K
Vanguard Global Advisers, LLC4.05K$22.9KHeld
Police & Firemen's Retirement System of New Jersey3.25K$18.4K−$8KCut−$8K
UBS Group AG2.7K$15.3K−$3.25KAdded$4.52K
Tower Research Capital LLC (TRC)2.5K$14.2K−$3.9KAdded$1.28K
Arax Advisory Partners1.57K$8.9K−$305Added$7.89K
Essential Partners LLC1.18K$6.68K−$1.05KAdded$3.23K
CITIGROUP INC1.12K$6.36K−$2.76KCut−$51.8K
GAMMA Investing LLC1.08K$6.13K−$2.67KCut−$23.8K
Legal & General Group Plc972$5.5K−$2.39KCut−$2.39K
Ameritas Investment Partners, Inc.966$5.47K−$2.38KCut−$2.38K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM619$3.5K−$1.52KCut−$2.17K
Tieton Capital Management, LLC559K$3.16K−$1.32KCut−$1.21K
ACADIAN ASSET MANAGEMENT LLC423.3K$2.39K−$1.04KCut−$1.06K
Sterling Capital Management LLC379$2.15K−$933Cut−$4.27K
US BANCORP \DE\275$1.56K−$676Cut−$676
Allworth Financial LP216$1.22K−$39Added$1.09K
BARROW HANLEY MEWHINNEY & STRAUSS LLC191$1.08K−$470Cut−$470
Physician Wealth Advisors, Inc.177$1KNew
ROYAL BANK OF CANADA295$1K−$1.44KCut−$10K
EverSource Wealth Advisors, LLC175$990−$268Added$105
Optiver Holding B.V.118$668−$290Cut−$1K
IFP Advisors, Inc115$651−$261Cut−$210
OSAIC HOLDINGS, INC.100$566−$246Cut−$246
Root Financial Partners, LLC90$509−$74Added$265
Farther Finance Advisors, LLC59$318New
COOPER CREEK PARTNERS MANAGEMENT LLC46.8K$265−$115Cut−$115
PRICE T ROWE ASSOCIATES INC /MD/38.5K$218−$62Added$16
Sunbelt Securities, Inc.37$209−$75Cut−$35
True Wealth Design, LLC35$199−$15Added$150
ROTHSCHILD INVESTMENT LLC24$136−$15Added$87
MAI Capital Management24$136−$8Added$111
Wealth Preservation Advisors, LLC20$113New
SBI Securities Co., Ltd.15$85−$37Cut−$37
Transamerica Financial Advisors, LLC9$50−$21Cut−$15
SJS Investment Consulting Inc.7$40New
Advisory Services Network, LLC6$34New
Caitong International Asset Management Co., Ltd4$23New
HUNTINGTON NATIONAL BANK1$6−$2Cut−$2
Covestor Ltd11$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.