Polymer Capital Management (HK) LTD

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 13, 2025), Polymer Capital Management (HK) LTD reported 167 stock positions worth $570.8 million. Its top holding was Amazon.com (AMZN) at 6.2% of the portfolio, followed by Amer Sports (AS, 5.5%) and Boeing (BA, 3.3%). Compared with Q3 2024, it opened 75 new positions, sold out of 59, added to 52 and reduced 40. The biggest buy was Amazon.com (AMZN, shares +502%) and the biggest sale Alibaba Group Holding-SP ADR (BABA, shares −73%).

Most Recent 13F
Q2 2026
Location
HONG KONG, K3
CIK
0001970465
Portfolio Value
$570.8M (Q4 2024)
SEC Filing
0001970465-25-000004 ↗ filed Feb 13, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $397.2M Q1 2024 Q2 2024: $493.1M Q2 2024 Q3 2024: $432.1M Q3 2024 Q4 2024: $570.8M $570.8M Q4 2024 Q1 2025: $576.3M Q1 2025 Q2 2025: $638.4M Q2 2025 Q3 2025: $718.9M Q3 2025 Q4 2025: $642.5M Q4 2025 Q1 2026: $713.5M Q1 2026 Q2 2026: $984.8M Q2 2026

Holdings 167 stocks · $570.8M

AMZN Amazon.com Inc. 6.25% 162,519 $35.7M Add +501.8%
AS Amer Sports Inc. 5.53% 1,129,736 $31.6M Add +157.4%
BA The Boeing Co. 3.29% 105,970 $18.8M New
NVDA Nvidia Corp. 3.06% 130,266 $17.5M Add +52.7%
TSM Taiwan Semiconductor-SP ADR 2.99% 86,493 $17.1M Add +47.7%
JD Jd.com Inc.-ADR 2.85% 469,590 $16.3M Reduce -16.9%
QFIN Qfin Holdings Inc.-ADR filed as QIFU TECHNOLOGY INC 2.60% 386,863 $14.8M Add +167.7%
PDD PDD Holdings Inc. 2.40% 141,155 $13.7M Add +11.1%
META Meta Platforms Inc. Class A 2.19% 21,345 $12.5M Reduce -27.7%
FUTU Futu Holdings Ltd.-ADR filed as FUTU HLDGS LTD 2.13% 151,685 $12.1M Reduce -31.2%
TLT iShares 20+ Year Treasury BD 1.95% 127,594 $11.1M Add +148.3%
AVGO Broadcom Inc. 1.85% 45,600 $10.6M Add +34.9%
TPR Tapestry Inc. 1.84% 160,342 $10.5M New
BEKE Ke Holdings Inc.-ADR filed as KE HLDGS INC 1.82% 564,845 $10.4M Add +106.5%
SPY SS SPDR S&P 500 ETF Trust-US 1.65% 16,079 $9.4M Add +904.3%
TAL Tal Education Group- ADR 1.64% 932,622 $9.3M Add +67.1%
BILI Bilibili Inc.-Sponsored ADR 1.56% 490,957 $8.9M Reduce -20.8%
DECK Deckers Outdoor Corp. 1.35% 37,816 $7.7M Add +12.2%
TCOM Trip.com Group Ltd.-ADR 1.34% 111,318 $7.6M Reduce -23.3%
HDB HDFC Bank Ltd.-ADR 1.34% 119,596 $7.6M New
GEV GE Vernova Inc. 1.30% 22,502 $7.4M Reduce -71.2%
SITM Sitime Corp. 1.29% 34,386 $7.4M Add +434.1%
SOXX iShares Semiconductor ETF 1.01% 26,846 $5.8M Add +524.3%
MRVL Marvell Technology Inc. 0.97% 50,303 $5.6M Add +711.3%
EDU New Oriental Educatio-SP ADR 0.93% 83,000 $5.3M Add +25.6%
AAPL Apple Inc. 0.90% 20,447 $5.1M Reduce -23.1%
ONON On Holding AG Class A filed as ON HLDG AG 0.84% 87,255 $4.8M Add +61.9%
DELL Dell Technologies -C 0.84% 41,397 $4.8M Add +139.3%
SPGI S&P Global Inc. 0.84% 9,571 $4.8M New
XLY SS Consumer Disc Select Sect 0.83% 21,000 $4.7M Add +228.1%
YMM Full Truck Alliance -SPN ADR 0.82% 430,672 $4.7M Reduce -8.2%
XLF SS Financial Select Sector 0.81% 95,312 $4.6M Add +369.2%
MSFT Microsoft Corp. 0.80% 10,897 $4.6M Add +13.5%
TSLA Tesla Inc. 0.79% 11,163 $4.5M Reduce -29.8%
BABA Alibaba Group Holding-SP ADR 0.78% 52,600 $4.5M Reduce -73.0%
VST Vistra Corp. 0.72% 29,779 $4.1M Add +10.2%
GOOG Alphabet Inc. Class C 0.71% 21,322 $4.1M Reduce -37.5%
ARGT Global X MSCI Argentina ETF 0.71% 49,100 $4.1M New
WMT Walmart Inc. 0.70% 44,364 $4.0M Add +355.0%
ANET Arista Networks Inc. 0.70% 36,152 $4.0M Add +2.3%
XLE SS Energy Select Sector 0.69% 46,086 $3.9M New
SMMT Summit Therapeutics Inc. 0.69% 219,820 $3.9M New
GLD SPDR Gold Shares 0.68% 16,100 $3.9M Add +21.7%
LLY Eli Lilly & Co. 0.67% 4,958 $3.8M Add +891.6%
AMD Advanced Micro Devices 0.66% 31,300 $3.8M Reduce -21.4%
NKE Nike Inc. Class B 0.65% 48,800 $3.7M New
CRDO Credo Technology Group Holdi 0.64% 54,609 $3.7M New
VIPS Vipshop Holdings Ltd. - ADR 0.63% 267,300 $3.6M Add +2302.1%
BZ Kanzhun Ltd. - ADR 0.60% 247,492 $3.4M Add +1267.4%
APH Amphenol Corp. Class A 0.57% 47,100 $3.3M Add +88.4%
LITE Lumentum Holdings Inc. 0.56% 38,412 $3.2M Add +13.3%
ASX Ase Technology Holding -ADR 0.54% 305,500 $3.1M Add +143.4%
QQQ Invesco QQQ Trust Series 1 0.53% 5,868 $3.0M Add +207.1%
URTY Proshares Ultrapro RUSS2000 0.52% 60,000 $3.0M New
IREN Iren Ltd. filed as IREN LIMITED 0.51% 297,328 $2.9M Add +147.8%
CCL Carnival Corp. 0.50% 114,900 $2.9M Reduce -28.3%
MLCO Melco Resorts & Entert-ADR 0.50% 493,091 $2.9M Add +26.1%
HUBS HubSpot Inc. 0.48% 3,902 $2.7M New
ALAB Astera Labs Inc. 0.47% 20,051 $2.7M New
SPOT Spotify Technology SA 0.45% 5,802 $2.6M Reduce -54.8%
SYF Synchrony Financial 0.45% 39,893 $2.6M New
DDL Dingdong Cayman Ltd. -SPN ADR 0.45% 789,648 $2.6M New
RL Ralph Lauren Corp. 0.45% 11,000 $2.5M New
HLT Hilton Worldwide Holdings Inc. 0.43% 10,000 $2.5M Reduce -16.7%
ALNY Alnylam Pharmaceuticals Inc. 0.43% 10,313 $2.4M New
MPWR Monolithic Power Systems Inc. 0.42% 4,100 $2.4M Add +530.8%
ATAT Atour Lifestyle Holdings-ADR 0.42% 89,200 $2.4M New
XLP SS Consumer Staples Sel Sect 0.42% 30,500 $2.4M Add +156.3%
BKNG Booking Holdings Inc. 0.42% 480 $2.4M Add +700.0%
RDDT Reddit Inc. Class A 0.42% 14,579 $2.4M Reduce -79.5%
GAP The Gap Inc. 0.41% 100,000 $2.4M Reduce -16.7%
LVS Las Vegas Sands Corp. 0.40% 45,000 $2.3M New
SE Sea Ltd.-ADR 0.40% 21,300 $2.3M Reduce -61.1%
IVV iShares Core S&P 500 ETF 0.38% 3,700 $2.2M New
ON On Semiconductor 0.38% 34,000 $2.1M New
RCL Royal Caribbean Cruises Ltd. 0.36% 9,000 $2.1M Reduce -40.0%
WDC Western Digital Corp. 0.36% 34,050 $2.0M New
DIA SS SPDR Dow Jones Indus Avg filed as SPDR DOW JONES INDL AVERAGE 0.35% 4,750 $2.0M Add +763.6%
CEG Constellation Energy 0.35% 9,000 $2.0M Add +1.5%
SN Sharkninja Inc. 0.35% 20,420 $2.0M Reduce -37.2%
HTHT H World Group Ltd.-ADR 0.35% 60,000 $2.0M Reduce -25.0%
PI Impinj Inc. 0.34% 13,500 $2.0M New
ZTO Zto Express Cayman Inc.-ADR 0.34% 99,656 $1.9M New
APP AppLovin Corp. Class A 0.33% 5,800 $1.9M Reduce -49.6%
AOSL Alpha & Omega Semiconductor 0.32% 49,377 $1.8M New
GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD 0.31% 75,276 $1.8M Reduce -57.6%
IBKR Interactive Brokers Gro Class A 0.31% 9,906 $1.8M New
CRM Salesforce Inc. 0.30% 5,050 $1.7M New
XLI SS Industrial Select Sector 0.30% 12,800 $1.7M Add +34.7%
TER Teradyne Inc. 0.29% 12,979 $1.6M New
TRML Tourmaline Bio Inc. 0.28% 79,400 $1.6M New
YUMC Yum China Holdings Inc. 0.27% 31,600 $1.5M New
FOX Fox Corp. Class B 0.26% 32,400 $1.5M Reduce -67.6%
Z Zillow Group Inc. Class C 0.26% 20,000 $1.5M Reduce -71.4%
XLK SS Technology Select Sector 0.26% 6,366 $1.5M Add +55.3%
GOOGL Alphabet Inc. Class A 0.26% 7,700 $1.5M New
QCOM Qualcomm Inc. 0.25% 9,300 $1.4M Add +520.0%
XLU St Sr Utl SL SE SPDR ETF-Usd 0.24% 18,384 $1.4M Add +119.3%
WYNN WYNN Resorts Ltd. 0.24% 16,000 $1.4M New
NET Cloudflare Inc. Class A 0.24% 12,541 $1.4M Add +100.7%
AMAT Applied Materials Inc. 0.23% 8,200 $1.3M Add +221.1%
NOW ServiceNow Inc. 0.23% 1,247 $1.3M Reduce -53.8%
MTSI Macom Technology Solutions H 0.23% 9,898 $1.3M Reduce -34.0%
PWR Quanta Services Inc. 0.22% 4,000 $1.3M New
TLN Talen Energy Corp. 0.21% 6,000 $1.2M New
DTE DTE Energy Company 0.20% 9,259 $1.1M New
AAOI Applied Optoelectronics Inc. 0.19% 29,900 $1.1M New
ABBV Abbvie Inc. 0.19% 6,200 $1.1M New
ETR Entergy Corp. 0.19% 14,233 $1.1M New
IWM iShares Russell 2000 ETF 0.18% 4,640 $1.0M Reduce -50.9%
AZN Astrazeneca PLC-Spons ADR 0.18% 15,350 $1.0M New
NI Nisource Inc. 0.17% 27,009 $993K New
TERN Terns Pharmaceuticals Inc. 0.17% 177,000 $981K Add +637.5%
NRIX Nurix Therapeutics Inc. 0.17% 50,098 $944K New
TEL Te Connectivity PLC 0.17% 6,600 $944K New
VNET Vnet Group Inc.-ADR 0.17% 198,647 $942K New
LEGN Legend Biotech Corp.-ADR 0.16% 28,727 $935K Reduce -31.3%
MSTR Strategy Inc. filed as MICROSTRATEGY INC 0.16% 3,200 $927K Reduce -60.5%
SMH Vaneck Semiconductor ETF 0.16% 3,800 $920K New
ATHM Autohome Inc.-ADR 0.16% 35,400 $919K New
MDB Mongodb Inc. 0.16% 3,937 $917K New
U Unity Software Inc. 0.16% 39,400 $885K New
VSXY Victoria's Secret & Co. 0.15% 21,100 $874K New
ORCL Oracle Corp. 0.15% 5,100 $850K Reduce -55.6%
CNP Centerpoint Energy Inc. 0.15% 26,690 $847K New
NTES Netease Inc.-ADR 0.15% 9,300 $830K Reduce -85.4%
VNM Vaneck Vietnam ETF 0.14% 70,000 $804K New
DOYU Douyu International Hold-ADR 0.13% 68,458 $767K New
DDOG Datadog Inc. Class A 0.13% 5,350 $764K Add +60.7%
FDN First Trust DJ Internet Ind 0.13% 3,000 $730K Add +11.1%
ZK Zeekr Intelligent Techno-ADR 0.12% 25,000 $710K Reduce -85.5%
SKX Skechers USA Inc. Class A 0.11% 9,674 $650K Reduce -70.4%
PYPL PayPal Holdings Inc. 0.11% 7,100 $606K Add +8.4%
DKS Dick's Sporting Goods Inc. 0.10% 2,500 $572K New
POR Portland General Electric Co. 0.09% 12,329 $538K New
JOYY Joyy Inc.-ADR 0.09% 12,500 $523K New
SNPS Synopsys Inc. 0.09% 1,023 $497K Reduce -90.5%
CRNT Ceragon Networks Ltd. 0.09% 103,998 $486K New
TME Tencent Music Entertainm-ADR 0.08% 42,400 $481K Add +324.0%
TSEM Tower Semiconductor Ltd. 0.08% 9,116 $470K New
VSH Vishay Intertechnology Inc. 0.08% 27,293 $462K New
T AT&T Inc. 0.08% 20,000 $455K New
EWZ iShares MSCI Brazil ETF 0.08% 20,000 $450K New
SAP Sap SE-Sponsored ADR 0.08% 1,800 $443K New
XEL Xcel Energy Inc. 0.07% 6,243 $422K New
DAL Delta Air Lines Inc. 0.07% 6,742 $408K Reduce -32.6%
DQ Daqo New Energy Corp.-ADR 0.07% 20,800 $404K New
PLTR Palantir Technologies Inc. Class A 0.07% 5,200 $393K New
UAA Under Armour Inc. Class A 0.07% 46,041 $381K New
CMI Cummins Inc. 0.07% 1,079 $376K New
WOLF Wolfspeed Inc. 0.06% 55,000 $366K New
EXPE Expedia Group Inc. 0.06% 1,950 $363K New
INTU Intuit Inc. 0.06% 550 $346K Add +10.0%
TKO Tko Group Holdings Inc. 0.06% 2,400 $341K New
TT Trane Technologies PLC 0.06% 860 $318K Reduce -63.6%
NTRA Natera Inc. 0.06% 2,003 $317K New
HON Honeywell International Inc. 0.06% 1,400 $316K New
V Visa Inc. Class A 0.06% 1,000 $316K New
EVRG Evergy Inc. 0.05% 5,064 $312K New
UBER Uber Technologies Inc. 0.05% 5,000 $302K Add +8.7%
BIRK Birkenstock Holding PLC 0.05% 5,300 $300K Reduce -38.6%
RBLX Roblox Corp. Class A 0.05% 4,500 $260K New
AFRM Affirm Holdings Inc. 0.04% 4,170 $254K New
STM Stmicroelectronics NV-NY SHS 0.04% 9,992 $250K Reduce -52.4%
MA Mastercard Inc. Class A 0.04% 400 $211K New
DASH DoorDash Inc. Class A 0.04% 1,200 $201K Reduce -50.0%
GRND Grindr Inc. 0.03% 10,000 $178K New

Options reported separately and not counted above: AMD calls ($3.1M), AS puts ($2.8M).

Portfolio Sells Q3 2024 → Q4 2024

BABA Alibaba Group Holding-SP ADR Reduce -73.0% 0.78% −3.99
GEV GE Vernova Inc. Reduce -71.2% 1.30% −3.31
FUTU Futu Holdings Ltd.-ADR Reduce -31.2% 2.13% −2.75
JD Jd.com Inc.-ADR Reduce -16.9% 2.85% −2.38
BILI Bilibili Inc.-Sponsored ADR Reduce -20.8% 1.56% −1.80
META Meta Platforms Inc. Class A Reduce -27.7% 2.19% −1.72
NTES Netease Inc.-ADR Reduce -85.4% 0.15% −1.24
COHR Coherent Corp. Sold out 0.00% −1.23
ASHR Xtrackers Harvest Csi 300 CH Sold out 0.00% −1.22
SNPS Synopsys Inc. Reduce -90.5% 0.09% −1.18
CIEN Ciena Corp. Sold out 0.00% −1.02
CTLT Catalent Inc. Sold out 0.00% −0.98
ILMN Illumina Inc. Sold out 0.00% −0.91
AMD Advanced Micro Devices Reduce -21.4% 0.66% −0.85
NXPI NXP Semiconductors NV Sold out 0.00% −0.83
ARGX Argenx SE - ADR Sold out 0.00% −0.83
SE Sea Ltd.-ADR Reduce -61.1% 0.40% −0.80
Z Zillow Group Inc. Class C Reduce -71.4% 0.26% −0.77
ZK Zeekr Intelligent Techno-ADR Reduce -85.5% 0.12% −0.76
RDDT Reddit Inc. Class A Reduce -79.5% 0.42% −0.67
TCOM Trip.com Group Ltd.-ADR Reduce -23.3% 1.34% −0.66
SPOT Spotify Technology SA Reduce -54.8% 0.45% −0.64
FOX Fox Corp. Class B Reduce -67.6% 0.26% −0.64
GOOG Alphabet Inc. Class C Reduce -37.5% 0.71% −0.61
BDX Becton Dickinson and Co. Sold out 0.00% −0.56
BNTX Biontech SE-ADR Sold out 0.00% −0.55
AAPL Apple Inc. Reduce -23.1% 0.90% −0.54
GDS GDS Holdings Ltd. - ADR Reduce -57.6% 0.31% −0.52
ABT Abbott Laboratories Sold out 0.00% −0.47
SN Sharkninja Inc. Reduce -37.2% 0.35% −0.47
PFE Pfizer Inc. Sold out 0.00% −0.40
SKX Skechers USA Inc. Class A Reduce -70.4% 0.11% −0.39
KWEB Kranesh Csi China Internet Sold out 0.00% −0.38
JNJ Johnson & Johnson Sold out 0.00% −0.38
IGV iShares Expanded Tech-Softwa Sold out 0.00% −0.35
HTHT H World Group Ltd.-ADR Reduce -25.0% 0.35% −0.34
NOW ServiceNow Inc. Reduce -53.8% 0.23% −0.33
CVNA Carvana Co. Sold out 0.00% −0.32
LEGN Legend Biotech Corp.-ADR Reduce -31.3% 0.16% −0.31
ORCL Oracle Corp. Reduce -55.6% 0.15% −0.30
IWM iShares Russell 2000 ETF Reduce -50.9% 0.18% −0.30
NFLX Netflix Inc. Sold out 0.00% −0.29
BSX Boston Scientific Corp. Sold out 0.00% −0.29
DLR Digital Realty Trust Inc. Sold out 0.00% −0.25
RCL Royal Caribbean Cruises Ltd. Reduce -40.0% 0.36% −0.25
GRAB Grab Holdings Ltd. Class A Sold out 0.00% −0.25
LBTYA Liberty Global Ltd. Class A Sold out 0.00% −0.24
IEI iShares 3-7 Year Treasury Bo Sold out 0.00% −0.23
IEF iShares 7-10 Year Treasury B Sold out 0.00% −0.23
ITA iShares U.S. Aerospace & Def Sold out 0.00% −0.23

Portfolio Buys Q3 2024 → Q4 2024

AMZN Amazon.com Inc. Add +501.8% 6.25% +5.08
AS Amer Sports Inc. Add +157.4% 5.53% +3.91
BA The Boeing Co. New 3.29% +3.29
TPR Tapestry Inc. New 1.84% +1.84
QFIN Qfin Holdings Inc.-ADR Add +167.7% 2.60% +1.60
SPY SS SPDR S&P 500 ETF Trust-US Add +904.3% 1.65% +1.44
HDB HDFC Bank Ltd.-ADR New 1.34% +1.34
SITM Sitime Corp. Add +434.1% 1.29% +1.04
MRVL Marvell Technology Inc. Add +711.3% 0.97% +0.87
SPGI S&P Global Inc. New 0.84% +0.84
TLT iShares 20+ Year Treasury BD Add +148.3% 1.95% +0.79
SOXX iShares Semiconductor ETF Add +524.3% 1.01% +0.78
ARGT Global X MSCI Argentina ETF New 0.71% +0.71
XLE SS Energy Select Sector New 0.69% +0.69
SMMT Summit Therapeutics Inc. New 0.69% +0.69
NVDA Nvidia Corp. Add +52.7% 3.06% +0.67
NKE Nike Inc. Class B New 0.65% +0.65
CRDO Credo Technology Group Holdi New 0.64% +0.64
TSM Taiwan Semiconductor-SP ADR Add +47.7% 2.99% +0.64
XLF SS Financial Select Sector Add +369.2% 0.81% +0.59
VIPS Vipshop Holdings Ltd. - ADR Add +2302.1% 0.63% +0.59
LLY Eli Lilly & Co. Add +891.6% 0.67% +0.57
BEKE Ke Holdings Inc.-ADR Add +106.5% 1.82% +0.56
XLY SS Consumer Disc Select Sect Add +228.1% 0.83% +0.53
BZ Kanzhun Ltd. - ADR Add +1267.4% 0.60% +0.53
WMT Walmart Inc. Add +355.0% 0.70% +0.52
URTY Proshares Ultrapro RUSS2000 New 0.52% +0.52
AVGO Broadcom Inc. Add +34.9% 1.85% +0.50
HUBS HubSpot Inc. New 0.48% +0.48
ALAB Astera Labs Inc. New 0.47% +0.47
SYF Synchrony Financial New 0.45% +0.45
DDL Dingdong Cayman Ltd. -SPN ADR New 0.45% +0.45
RL Ralph Lauren Corp. New 0.45% +0.45
ALNY Alnylam Pharmaceuticals Inc. New 0.43% +0.43
ATAT Atour Lifestyle Holdings-ADR New 0.42% +0.42
LVS Las Vegas Sands Corp. New 0.40% +0.40
IVV iShares Core S&P 500 ETF New 0.38% +0.38
ON On Semiconductor New 0.38% +0.38
DELL Dell Technologies -C Add +139.3% 0.84% +0.36
BKNG Booking Holdings Inc. Add +700.0% 0.42% +0.36
WDC Western Digital Corp. New 0.36% +0.36
PI Impinj Inc. New 0.34% +0.34
ZTO Zto Express Cayman Inc.-ADR New 0.34% +0.34
AOSL Alpha & Omega Semiconductor New 0.32% +0.32
QQQ Invesco QQQ Trust Series 1 Add +207.1% 0.53% +0.31
IBKR Interactive Brokers Gro Class A New 0.31% +0.31
DIA SS SPDR Dow Jones Indus Avg Add +763.6% 0.35% +0.30
CRM Salesforce Inc. New 0.30% +0.30
TER Teradyne Inc. New 0.29% +0.29
MPWR Monolithic Power Systems Inc. Add +530.8% 0.42% +0.29

Options Activity Q3 2024 → Q4 2024

AMD Advanced Micro Devices call New 26,000 $3.1M
AS Amer Sports Inc. put New 100,000 $2.8M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 140$984.8MSNDK, LLY, NVDA, AMAT, MU
Q1 2026 147$713.5MNVDA, PDD, LLY, SNDK, GLD
Q4 2025 126$642.5MLLY, NVDA, PDD, GLD, TSM
Q3 2025 244$718.9MNVDA, LLY, GOOG, GLD, PDD
Q2 2025 148$638.4MAS, NVDA, AMD, META, SMMT
Q1 2025 128$576.3MTPR, META, QFIN, AMD, BABA
Q4 2024 167$570.8MAMZN, AS, BA, NVDA, TSM
Q3 2024 151$432.1MJD, FUTU, BABA, GEV, PDD
Q2 2024 156$493.1MAAPL, MSFT, AMZN, GOOG, NVDA
Q1 2024 194$397.2MMSFT, NVDA, AMZN, VRT, PDD