American Century Companies Inc
· Added
Change
+1.4M
Date
Q1 2026
MT
| Investor | Type | Est. change | Change | Δ Own | Date | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
American Century Companies Inc
· Added
Change
+1.4M
Date
Q1 2026
|
American Century Companies Inc | Added· Q1 2026 | – | +1.4M | – | Q1 2026 | |||||
|
D. E. Shaw & Co., Inc.
· Added
Change
+612K
Δ Own
+219.9%
Date
Q1 2026
|
D. E. Shaw & Co., Inc. | Added· Q1 2026 | – | +612K | +219.9% | Q1 2026 | |||||
|
Los Angeles Capital Management LLC
· Added
Change
+585K
Date
Q1 2026
|
Los Angeles Capital Management LLC | Added· Q1 2026 | – | +585K | – | Q1 2026 | |||||
|
Squarepoint Ops LLC
· Added
Change
+541K
Date
Q1 2026
|
Squarepoint Ops LLC | Added· Q1 2026 | – | +541K | – | Q1 2026 | |||||
|
Two Sigma Investments, LP
· Added
Change
+463K
Δ Own
+2652.5%
Date
Q1 2026
|
Two Sigma Investments, LP | Added· Q1 2026 | – | +463K | +2652.5% | Q1 2026 | |||||
|
Morgan Stanley
· Added
Change
+420K
Date
Q1 2026
|
Morgan Stanley | Added· Q1 2026 | – | +420K | – | Q1 2026 | |||||
|
Assenagon Asset Management S.A.
· Added
Change
+325K
Date
Q1 2026
|
Assenagon Asset Management S.A. | Added· Q1 2026 | – | +325K | – | Q1 2026 | |||||
|
Citadel Advisors LLC
· Added
Change
+296K
Δ Own
+31.1%
Date
Q1 2026
|
Citadel Advisors LLC | Added· Q1 2026 | – | +296K | +31.1% | Q1 2026 | |||||
|
Nuveen, LLC
· Added
Change
+279K
Date
Q1 2026
|
Nuveen, LLC | Added· Q1 2026 | – | +279K | – | Q1 2026 | |||||
|
Newedge Wealth, LLC
· Added
Change
+269K
Date
Q1 2026
|
Newedge Wealth, LLC | Added· Q1 2026 | – | +269K | – | Q1 2026 | |||||
|
Tudor Investment Corp Et Al
· Added
Change
+236K
Date
Q1 2026
|
Tudor Investment Corp Et Al | Added· Q1 2026 | – | +236K | – | Q1 2026 | |||||
|
HSBC Holdings PLC
· Added
Change
+204K
Date
Q1 2026
|
HSBC Holdings PLC | Added· Q1 2026 | – | +204K | – | Q1 2026 | |||||
|
Bank of America Corp
· Added
Change
+189K
Date
Q1 2026
|
Bank of America Corp | Added· Q1 2026 | – | +189K | – | Q1 2026 | |||||
|
Xtx Topco Ltd
· Added
Change
+180K
Date
Q1 2026
|
Xtx Topco Ltd | Added· Q1 2026 | – | +180K | – | Q1 2026 | |||||
|
Voleon Capital Management LP
· Added
Change
+177K
Date
Q1 2026
|
Voleon Capital Management LP | Added· Q1 2026 | – | +177K | – | Q1 2026 | |||||
| Insider | Title | Type | Price | Qty | Value | Owned | ΔOwn | Trade date | Filed date | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Miosi Salvatore A.
· Officer
Sell
−$847K
|
Miosi Salvatore A. | Officer | Sell | $28.23 | −30K | −$847K | 531K | −5.3% | Jul 1, 2026 | Jul 2, 2026 | |||||||||
|
Colson Nathaniel H.
· Officer
Sell
−$542K
|
Colson Nathaniel H. | Officer | Sell | $27.10 | −20K | −$542K | 341K | −5.5% | Jun 25, 2026 | Jun 26, 2026 | |||||||||
|
Miosi Salvatore A.
· Officer
Sell
−$761K
|
Miosi Salvatore A. | Officer | Sell | $25.38 | −30K | −$761K | 561K | – | Jun 8, 2026 | Jun 9, 2026 | |||||||||
|
Maggio Paula C.
· Officer
Sell
−$535K
|
Maggio Paula C. | Officer | Sell | $25.55 | −21K | −$535K | 170K | – | May 29, 2026 | Jun 1, 2026 | |||||||||
|
Zandi Mark
· Director
2 operations
305
|
Zandi Mark | Director | 2 operations | – | 305 | – | 49K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Sculley Sheryl L.
· Director
2 operations
246
|
Sculley Sheryl L. | Director | 2 operations | – | 246 | – | 20K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Culver Curt S.
· Director
Grant (A)
29
|
Culver Curt S. | Director | Grant (A) | – | 29 | – | 22K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Hartzell Jay C.
· Director
2 operations
313
|
Hartzell Jay C. | Director | 2 operations | – | 313 | – | 20K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
O'Leary-Gill Daniela
· Director
Grant (A)
29
|
O'Leary-Gill Daniela | Director | Grant (A) | – | 29 | – | 6K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Klein Martin P.
· Director
Grant (A)
37
|
Klein Martin P. | Director | Grant (A) | – | 37 | – | 6K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Thompson Michael Leal
· Director
Grant (A)
29
|
Thompson Michael Leal | Director | Grant (A) | – | 29 | – | 19K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Lowman Teresita M.
· Director
Grant (A)
194
|
Lowman Teresita M. | Director | Grant (A) | – | 194 | – | 34K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Chaplin C. Edward
· Director
2 operations
433
|
Chaplin C. Edward | Director | 2 operations | – | 433 | – | 50K | – | May 21, 2026 | May 22, 2026 | |||||||||
|
Culver Curt S.
· Director
Gift (G)
-312K
|
Culver Curt S. | Director | Gift (G) | – | -312K | – | 12K | – | May 15, 2026 | May 18, 2026 | |||||||||
|
Mattke Timothy J.
· Director
Sell
−$3.7M
|
Mattke Timothy J. | Director | Sell | $26.49 | −139K | −$3.7M | 1.1M | – | Apr 2, 2026 | Apr 3, 2026 | |||||||||
A
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506 reporting institutions disclosed MTG position changes in the Q1 2026 snapshot.
For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.
An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.
Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.
Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.
A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.