
Altimar Acquisition Corp. III
Altimar Acquisition Corp. III (ATAQ) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ATAQ · as of Jun 30, 2023
Ownership Breakdown
21
Institutional Holders
▲ 2 vs Q1
$41.56M
Total Inst. Value
▲ $3.23M vs Q1
7.90M
Shares Outstanding
freeFloat 25.56%
4.04M
13F Shares Held
▲ 260,515 vs Q1
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ATAQ largest shareholders · institutional ownership
Q2 2023 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
POLAR ASSET MANAGEMENT PARTNERS INC. blank checks | 400.0K | 2.49% | 2.49% | $4.11B | Aug 14, 2023 | — held |
FIR TREE CAPITAL MANAGEMENT LP blank checks | 400.0K | 2.49% | 2.49% | $4.11B | Aug 14, 2023 | — held |
RADCLIFFE CAPITAL MANAGEMENT, L.P. blank checks | 400.0K | 2.49% | 2.49% | $4.11B | Aug 14, 2023 | — held |
ATLAS MERCHANT CAPITAL LLC blank checks | 400.0K | 2.49% | 2.49% | $4.11B | Aug 14, 2023 | — held |
PERISCOPE CAPITAL INC. blank checks | 350.0K | 2.18% | 2.18% | $3.59B | Aug 14, 2023 | ▼ 50.0K |
MIZUHO SECURITIES USA LLC blank checks | 272.5K | 1.69% | 1.69% | $2.75B | Aug 9, 2023 | ▲ 404 |
SANDIA INVESTMENT MANAGEMENT LP blank checks | 260.0K | 1.62% | 1.62% | $2.67B | Aug 14, 2023 | ▼ 140.0K |
WALLEYE CAPITAL LLC blank checks | 256.0K | 1.59% | 1.59% | $2.63B | Aug 14, 2023 | ▼ 1 |
SHAOLIN CAPITAL MANAGEMENT LLC blank checks | 235.3K | 1.46% | 1.46% | $2.42B | Aug 15, 2023 | ▲ 215.0K |
COWEN AND COMPANY, LLC blank checks | 200.0K | 1.24% | 1.24% | $2.05B | Aug 7, 2023 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q2 2023 vs prior quarter
Q2 2023
4
Increased
+411.9K shares1
New Positions
first time holders6
Decreased
−350.2K shares1
Sold Out
fully exitedNet shares change (top 50)
+61.7K
+411.9K / −350.2K
Net new holders
-2
1 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ATAQ insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Altimar Acquisition Corp. III (ATAQ) is primarily owned by institutional investors, who hold approximately 51.2% of total shares outstanding. Company insiders own approximately 74.44%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Altimar Acquisition Corp. III is POLAR ASSET MANAGEMENT PARTNERS INC., holding approximately 400,000 shares — equal to 2.49% of outstanding shares — as of June 30, 2023.
A total of 21 institutional investors currently hold ATAQ stock, with a combined institutional value of approximately $41,559,151 as of the most recent 13F filing period.
Frequently asked questions
ATAQ ownershipAltimar Acquisition Corp. III (ATAQ) is primarily owned by institutional investors, who hold approximately 51.2% of shares. The largest shareholder is POLAR ASSET MANAGEMENT PARTNERS INC. with a 2.49% stake. Company insiders hold 74.44%. Data sourced from SEC Form 13F as of June 30, 2023.