Security key
346563109
FORRESTER RESEARCH, INC. - Common Stock, $.01 Par Value (FORR)
CUSIP: 346563109
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, $.01 Par Value
- Total 13F shares
- 11,349,947
- Total 13F value
- $64,283,348
- Share change
- +1,524,815
- SEC-reported price per share
- $5.66
- Number of holders
- 102
- Value change
- +$5,821,369
- Number of buys
- 54
- Number of sells
- 50
- Shares outstanding
- 19,411,537
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
102
Top holders
10
FORR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q3 2025
FORRESTER RESEARCH, INC. SEC filings
FORRESTER RESEARCH, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 346563109
Recent filing periods:
Ownership snapshot
Top reported holders of FORR - FORRESTER RESEARCH, INC. - Common Stock, $.01 Par Value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
George F. Colony
Disclosed value leader
George F. Colony
Comparable rows
15/15
Latest evidence
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 39%
13D/G row: George F. Colony
Showing 1-6 of 15 holder rows.
Quick read
George F. Colony leads the comparable SEC ownership view at 39%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens George F. Colony's linked filing trail.
Comparable ownership
Top 5
George F. Colony
39%
Portolan Capital Management, LLC
7.9%
BlackRock, Inc.
5%
ROYCE & ASSOCIATES LP
0.56%
VANGUARD GROUP INC
3.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| George F. Colony |
3/4/5
13D/G
Chairman and CEO, Director, 10%+ Owner
|
39%
from 13D/G
|
$132,773,594
7,380,411 shares
|
— | 12 Jun 2024 |
| Portolan Capital Management, LLC |
13D/G
13F
Company
|
7.9%
|
$8,446,192
1,541,276 shares
|
+$2,072,909 | 31 Mar 2026 |
| BlackRock, Inc. |
13D/G
13F
Company
|
5%
|
$9,500,260
946,241 shares
|
$0 | 31 Dec 2024 |
| ROYCE & ASSOCIATES LP |
13D/G
|
0.56%
|
$1,127,809
106,387 shares
|
-$10,759,061 | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.4%
|
$5,351,575
659,061 shares
|
— | 31 Dec 2025 |
| Pacific Ridge Capital Partners, LLC |
13F
Company
|
3%
|
$4,781,771
588,888 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
102
Shares
11,349,947
Rows available
102
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q3 2025 Across Filers
Q3 2025 holders
108
Q1 2026 holders
102
Holder diff
-6
| Investor | Q3 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q3 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend