American Assets Trust Inc (AAT) Ownership

19.40 ↓0.10 (-0.51%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of American Assets Trust Inc (AAT), owning a total of 11.3 million shares. Combined, the top 38 institutional holders of AAT own 104.93% of the company with a total of 64 million shares.

In the latest ownership report on December 31st 2024, the top 38 institutional holders decreased their combined ownership of AAT by 166 thousand shares. 7 institutions bought 978,849 total additional shares and increased their ownership by an average of 103.21%. However 11 institutions sold 1,145,037 total shares and decreased their ownership by an average of 8.77%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of American Assets Trust decreased by a net total of -166,188 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	18.536%	1.344%	11,332,015	150,288	2024-12-31
Vanguard Group Inc	12.735%	-1.123%	7,785,455	-88,380	2024-12-31
American Assets Inc	12.063%	0.000%	7,374,599	0	2024-12-31
State Street Corp	4.722%	2.185%	2,886,659	61,722	2024-12-31
LSV Asset Management	3.258%	-1.771%	1,991,796	-35,900	2024-12-31
T. Rowe Price Investment Management,Inc.	2.934%	0.338%	1,793,745	6,039	2024-12-31
Charles Schwab Investment Management Inc	2.426%	0.565%	1,483,021	8,337	2024-12-31
American Assets Investment Management	2.413%	0.000%	1,475,336	0	2024-12-31
Geode Capital Management, LLC	2.041%	-1.547%	1,247,619	-19,603	2024-12-31
Ameriprise Financial Inc	1.820%	-3.924%	1,112,864	-45,454	2024-12-31
Morgan Stanley - Brokerage Accounts	1.714%	-16.859%	1,047,733	-212,455	2024-12-31
Nuveen Asset Management, LLC	1.598%	-11.236%	976,821	-123,648	2024-12-31
Northern Trust Corp	1.402%	16.020%	856,868	118,315	2024-12-31
Allianz Asset Management AG	1.214%	-5.032%	742,111	-39,321	2024-12-31
Dimensional Fund Advisors, Inc.	1.208%	-3.133%	738,726	-23,893	2024-12-31
Arrowstreet Capital Limited Partnership	1.191%	8.290%	728,386	55,762	2024-12-31
Wellington Management Company LLP	1.083%	693.700%	661,763	578,386	2024-12-31
JPMorgan Chase & Co	1.067%	-44.210%	652,216	-516,842	2024-12-31
Kennedy Capital Management Inc	0.805%	-5.497%	492,260	-28,631	2024-12-31
Bank of New York Mellon Corp	0.798%	-2.188%	487,625	-10,910	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	18.536%	1.344%	11,332,015	150,288	2024-12-31
Vanguard Group Inc	12.735%	-1.123%	7,785,455	-88,380	2024-12-31
American Assets Inc	12.063%	0.000%	7,374,599	0	2024-12-31
State Street Corporation	4.802%	-7.074%	2,924,387	-222,601	2024-03-31
FMR Inc	4.771%	3.059%	2,897,030	85,978	2022-12-31
State Street Corp	4.722%	2.185%	2,886,659	61,722	2024-12-31
LSV Asset Management	3.258%	-1.771%	1,991,796	-35,900	2024-12-31
T. Rowe Price Investment Management,Inc.	2.934%	0.338%	1,793,745	6,039	2024-12-31
Macquarie Group Ltd	2.627%	1.340%	1,594,890	21,087	2022-09-30
Charles Schwab Investment Management Inc	2.426%	0.565%	1,483,021	8,337	2024-12-31
American Assets Investment Management	2.413%	0.000%	1,475,336	0	2024-12-31
Principal Financial Group Inc	2.182%	-0.641%	1,320,459	-8,518	2022-09-30
Westfield Capital Management Company, LP	2.056%	3.601%	1,248,082	43,386	2022-12-31
Geode Capital Management, LLC	2.041%	-1.547%	1,247,619	-19,603	2024-12-31
Ameriprise Financial Inc	1.820%	-3.924%	1,112,864	-45,454	2024-12-31
Morgan Stanley - Brokerage Accounts	1.714%	-16.859%	1,047,733	-212,455	2024-12-31
Nuveen Asset Management, LLC	1.598%	-11.236%	976,821	-123,648	2024-12-31
Manufacturers Life Insurance Co	1.464%	4.346%	889,108	37,028	2022-12-31
Northern Trust Corp	1.402%	16.020%	856,868	118,315	2024-12-31
Adage Capital Partners Gp LLC	1.380%	-25.017%	843,559	-281,441	2024-09-30
NORGES BANK	1.233%	54.049%	748,964	262,779	2022-12-31
Allianz Asset Management AG	1.214%	-5.032%	742,111	-39,321	2024-12-31
Dimensional Fund Advisors, Inc.	1.208%	-3.133%	738,726	-23,893	2024-12-31
Arrowstreet Capital Limited Partnership	1.191%	8.290%	728,386	55,762	2024-12-31
Wellington Management Company LLP	1.083%	693.700%	661,763	578,386	2024-12-31
JPMorgan Chase & Co	1.067%	-44.210%	652,216	-516,842	2024-12-31
Millennium Management LLC	1.047%	-33.966%	636,043	-327,163	2023-06-30
Balyasny Asset Management LLC	1.024%	13.927%	623,322	76,197	2023-12-31
Jennison Associates LLC	1.026%	0.604%	623,046	3,740	2022-12-31
Cramer Rosenthal McGlynn LLC	0.978%	-42.695%	593,692	-442,333	2022-12-31
Citadel Advisors Llc	0.969%	625.059%	588,523	507,354	2023-03-31
Goldman Sachs Group Inc	0.928%	-4.327%	567,266	-25,658	2024-09-30
Amvescap Plc.	0.897%	-4.528%	546,221	-25,906	2024-03-31
Man Group PLC	0.890%	53.133%	541,683	187,949	2023-12-31
RIMA MANAGEMENT, LLC	0.887%	-14.577%	540,347	-92,210	2023-12-31
Kennedy Capital Management Inc	0.805%	-5.497%	492,260	-28,631	2024-12-31
Bank of New York Mellon Corp	0.798%	-2.188%	487,625	-10,910	2024-12-31
Legal & General Group PLC	0.739%	6.385%	448,401	26,912	2023-03-31

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of American Assets Trust Inc (AAT), owning a total of 2.9 million shares. Combined, the top 45 mutual fund holders of AAT own 51.29% of the company with a total of 31.3 million shares.

In the latest ownership report on April 30th 2025, the top 45 fund holders increased their combined ownership of AAT by 4 thousand shares. 2 funds bought 472 total additional shares and increased their ownership by an average of 0.06%. However 2 funds sold 4,571 total shares and decreased their ownership by an average of 0.22%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding American Assets Trust decreased by a net total of -4,099 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Small-Cap ETF	4.692%	-0.106%	2,868,436	-3,036	2025-04-30
iShares Russell 2000 ETF	1.994%	0.017%	1,218,851	206	2025-04-30
iShares Russell 2000 Value ETF	0.741%	-0.338%	452,812	-1,535	2025-04-30
SPDR® Portfolio S&P 600™ Sm Cap ETF	0.665%	0.000%	406,672	0	2025-04-30
Schwab US REIT ETF™	0.462%	0.094%	282,429	266	2025-04-30

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Small-Cap ETF	4.692%	-0.106%	2,868,436	-3,036	2025-04-30
Vanguard Real Estate Index Investor	3.039%	0.529%	1,857,863	9,772	2025-03-31
Vanguard US Total Market Shares ETF	2.369%	0.155%	1,448,487	2,235	2024-09-30
Vanguard Total Stock Mkt Idx Inv	2.351%	0.706%	1,437,142	10,074	2025-03-31
Vanguard Instl Ttl Stck Mkt Idx Tr	2.295%	-6.343%	1,393,785	-94,401	2023-03-31
Macquarie US Small Cap Core Equity	2.084%	1.665%	1,265,436	20,720	2022-09-30
T. Rowe Price Small-Cap Value	2.019%	9.641%	1,234,344	108,535	2025-03-31
iShares Russell 2000 ETF	1.994%	0.017%	1,218,851	206	2025-04-30
Vanguard Small Cap Index	1.870%	-1.983%	1,142,966	-23,124	2025-03-31
Fidelity US REIT Mother Fund	1.515%	-35.373%	920,146	-503,637	2023-03-15
JHancock Small Cap Core NAV	1.477%	3.748%	896,916	32,399	2023-02-28
Fidelity® Real Estate Investment Port	1.272%	0.000%	772,400	0	2023-02-28
Vanguard Institutional Extnd Mkt Idx Tr	1.224%	1.912%	748,297	14,040	2025-03-31
Vanguard Small Cap Value Index Inv	1.213%	-3.167%	741,825	-24,264	2025-03-31
T. Rowe Price U.S. SC Value Eq Tr-Z	1.213%	20.410%	741,812	125,738	2025-03-31
Vanguard Extended Market Index Investor	1.181%	-0.024%	716,936	-170	2023-08-31
Westfield Capital Mgt Co Sm-Cap Gr Eq	1.065%	4.283%	646,640	26,560	2022-12-31
Delaware Small Cap Core I	1.033%	-50.615%	624,942	-640,494	2022-10-31
T. Rowe Price U.S. SC Value Eq Tr-D	1.008%	0.379%	616,074	2,327	2024-12-31
CREF Stock R1	0.876%	0.000%	535,500	0	2025-02-28
CREF Stock R3	0.876%	0.000%	535,500	0	2025-02-28
Fidelity Small Cap Index	0.798%	0.000%	487,562	0	2025-02-28
iShares S&P Small-Cap 600 Value ETF	0.797%	0.000%	485,595	0	2024-11-30
Fidelity® Small Cap Index	0.798%	2.923%	484,788	13,767	2023-10-31
iShares Russell 2000 Value ETF	0.741%	-0.338%	452,812	-1,535	2025-04-30
SPDR® Portfolio S&P 600 Sm Cap ETF	0.702%	-0.144%	427,561	-616	2024-05-30
Columbia Small Cap Value II	0.699%	0.000%	424,620	0	2022-12-31
Columbia Small Cap Value II Inst	0.699%	0.000%	424,620	0	2022-12-31
Columbia Small Cap Value I	0.689%	6.505%	420,942	25,711	2025-03-31
Columbia Small Cap Value I A	0.689%	-0.799%	420,942	-3,389	2025-03-31
SPDR® Portfolio S&P 600™ Sm Cap ETF	0.665%	0.000%	406,672	0	2025-04-30
BlackRock Advantage Small Cap Core Instl	0.607%	-38.267%	370,854	-229,882	2025-03-31
Kennedy Extended Small Cap	0.596%	-4.046%	363,217	-15,317	2024-06-30
Harbor Small Cap Growth Instl	0.589%	-44.705%	357,559	-289,081	2023-01-31
SPDR® S&P 600 Small Cap Value ETF	0.541%	0.212%	329,326	696	2024-03-31
Vanguard Tax-Managed Small Cap Adm	0.524%	0.000%	320,159	0	2025-02-28
Vanguard Strategic Small-Cap Equity Inv	0.523%	8.809%	319,834	25,893	2025-03-31
DFA Real Estate Securities I	0.526%	0.000%	319,154	0	2023-11-30
Vanguard Real Estate II Index	0.516%	0.975%	315,550	3,047	2025-03-31
iShares Envir&Lw Carb Tilt REIdx(UK)LAcc	0.516%	0.000%	315,446	0	2025-02-28
TIAA-CREF Quant Small-Cap Equity Instl	0.514%	2.056%	313,250	6,310	2024-02-29
JNL/WMC Global Real Estate I	0.508%	0.000%	308,167	308,167	2023-09-30
Schwab Small-Cap Equity	0.462%	4.665%	282,697	12,599	2025-03-31
Schwab US REIT ETF™	0.462%	0.094%	282,429	266	2025-04-30
State St Russell Sm/Mid Cp® Indx NL Cl C	0.462%	-4.306%	282,249	-12,700	2025-03-31