Position in AMBR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$45,996
-$42,225 QoQ
Shares Held
19,490
-61.8% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in AMBR Over Time
Shares Held
Position Value (USD)
Derivatives in AMBR
reported options exposure · as of Dec 31, 2023CallValue
$13,022
CallShares
3,400
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Asset Management
Financial Services · as of Jun 30, 2026CITADEL ADVISORS LLC holds $2,809,802,491 across 233 Asset Management names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BLK |
BlackRock, Inc.
|
1,097,186 | $1,055,010,169 | |
| 2 | KKR |
KKR & Co. Inc.
|
2,563,798 | $235,305,380 | |
| 3 | BX |
Blackstone Inc.
|
1,291,987 | $152,028,109 | |
| 4 | TPG |
TPG Inc.
|
3,117,610 | $126,419,085 | |
| 5 | AMP |
Ameriprise Financial Inc
|
236,081 | $108,304,518 | |
| 6 | HLNE |
Hamilton Lane INC
|
1,203,158 | $94,844,944 | |
| 7 | STT |
State Street Corp
|
492,672 | $83,557,170 | |
| 8 | NTRS |
Northern Trust Corp
|
401,657 | $69,824,052 |
All Filings in AMBR
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $45,996 | 19,490 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $88,221 | 50,995 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $213,214 | 63,646 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $231,309 | 20,971 | Shares | Defined | 2025-08-14 | |
| 2024-12-31 | $113,920 | 12,171 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $52,908 | 16,033 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $37,935 | 29,730 | Shares | Defined | 2024-08-14 | |
| 2023-12-31 | $13,022 | 3,400 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $27,985 | 7,307 | Shares | Defined | 2024-02-14 | |
| 2023-06-30 | $13,437 | 9,598 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $1,680 | 1,200 | Put | Defined | 2023-08-14 | |
| 2023-06-30 | $1,400 | 1,000 | Call | Defined | 2023-08-14 | |
| 2023-03-31 | $3,629 | 1,000 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $90,935 | 25,058 | Shares | Defined | 2023-05-15 | |
| No filing history on record for this holder in this stock. | ||||||