Notify me when WATER ISLAND CAPITAL LLC files a new 13F portfolio report.
⭐ Subscribe ⭐| Quarter | Holdings | Value $ | Bought | Sold | Net | Top Holdings | Form Type | Filing Time |
|---|---|---|---|---|---|---|---|---|
| Q4 2025 | 75 | $818,612,069 | +$536,655,661 | -$411,304,156 | +$125,351,505 | GTLS, CYBR, NSC, EA, EXAS | 13F-HR | 17 Feb 2026, 16:09 |
| Q3 2025 | 73 | $698,238,216 | +$565,564,309 | -$440,056,132 | +$125,508,177 | CYBR, NSC, VRNA, AVDX, INFA | 13F-HR | 14 Nov 2025, 15:48 |
| Q2 2025 | 58 | $571,184,421 | +$284,088,583 | -$297,758,749 | -$13,670,166 | AMED, ANSS, JNPR, HES, SWTX | 13F-HR | 14 Aug 2025, 15:31 |
| Q1 2025 | 64 | $576,909,611 | +$225,559,149 | -$503,161,594 | -$277,602,445 | AMED, HES, HEES, K, EVRI | 13F-HR | 15 May 2025, 16:02 |
| Q4 2024 | 63 | $832,341,740 | +$253,616,883 | -$386,637,622 | -$133,020,739 | AMED, HES, K, HCP, EDR | 13F-HR | 13 Feb 2025, 14:10 |
| Q3 2024 | 68 | $968,100,507 | +$336,638,176 | -$317,008,295 | +$19,629,881 | AMED, HES, K, AXNX, SQSP | 13F-HR | 14 Nov 2024, 12:05 |
| Q2 2024 | 68 | $947,271,502 | +$425,406,136 | -$335,148,006 | +$90,258,130 | AMED, HES, AXNX, HCP, ACI | Restatement | 14 Nov 2024, 16:28 |
| Q1 2024 | 50 | $882,939,871 | +$455,489,707 | -$558,013,355 | -$102,523,648 | PXD, HES, AMED, EVBG, AXNX | Restatement | 14 Nov 2024, 16:27 |
| Q4 2023 | 46 | $975,634,054 | +$742,766,552 | -$873,946,143 | -$131,179,591 | PXD, HES, SPLK, AMED, SOVO | Restatement | 14 Nov 2024, 16:23 |
| Q3 2023 | 72 | $1,100,161,315 | +$538,757,286 | -$534,943,675 | +$3,813,611 | ATVI, VMW, HZNP, TXNM, DEN | Restatement | 14 Nov 2024, 16:21 |
| Q2 2023 | 65 | $1,074,711,092 | +$438,327,056 | -$579,415,946 | -$141,088,890 | ATVI, VMW, HZNP, AJRD, TXNM | Restatement | 14 Nov 2024, 16:20 |
| Q1 2023 | 64 | $1,233,413,095 | +$680,419,543 | -$614,989,443 | +$65,430,100 | ATVI, VMW, AJRD, HZNP, TXNM | Restatement | 14 Nov 2024, 16:18 |
| Q4 2022 | 74 | $1,181,304,254 | +$362,561,847 | -$950,930,866 | -$588,369,019 | ATVI, TGNA, FHN, VMW, STOR | Restatement | 14 Nov 2024, 16:12 |
| Q3 2022 | 83 | $1,766,764,000 | +$862,289,206 | -$706,102,385 | +$156,186,821 | CHNG, Y, ZEN, ATVI, TGNA | 13F-HR | 14 Nov 2022, 10:55 |
| Q2 2022 | 79 | $1,599,456,000 | +$546,893,018 | -$849,973,826 | -$303,080,808 | Y, CHNG, MNDT, WBT, ATVI | 13F-HR | 15 Aug 2022, 10:25 |
| Q1 2022 | 77 | $1,970,875,000 | +$1,193,867,643 | -$1,006,774,344 | +$187,093,299 | WBT, ROG, COHR, WW, CERN | 13F-HR | 13 May 2022, 15:19 |
| Q4 2021 | 90 | $1,809,352,000 | +$923,603,509 | -$773,729,476 | +$149,874,033 | INFO, XLNX, WTW, NUAN, ROG | 13F-HR | 14 Feb 2022, 16:25 |
| Q3 2021 | 59 | $1,598,398,000 | +$800,160,319 | -$1,076,388,415 | -$276,228,096 | INFO, KSU, FIVN, NUAN, PPD | 13F-HR | 12 Nov 2021, 14:55 |
| Q2 2021 | 56 | $1,890,433,000 | +$1,094,848,181 | -$912,975,000 | +$181,873,181 | INFO, ALXN, MXIM, WORK, WTW | 13F-HR | 12 Aug 2021, 11:21 |
| Q1 2021 | 83 | $1,637,746,000 | +$973,435,210 | -$733,561,165 | +$239,874,045 | WTW, PS, INFO, RP, ALXN | 13F-HR | 12 May 2021, 17:40 |
| Q4 2020 | 92 | $1,406,964,000 | +$1,094,600,392 | -$846,211,349 | +$248,389,043 | EV, WTW, NGHC, WORK, MXIM | 13F-HR | 10 Feb 2021, 16:10 |
| Q3 2020 | 87 | $1,107,146,000 | +$637,713,486 | -$670,205,996 | -$32,492,510 | ETFC, AMTD, ACIA, NBL, NGHC | 13F-HR | 12 Nov 2020, 09:57 |
| Q2 2020 | 68 | $1,085,482,000 | +$523,439,794 | -$820,128,441 | -$296,688,647 | LOGM, ETFC, TIF, AMTD, LM | 13F-HR | 12 Aug 2020, 14:15 |
| Q1 2020 | 56 | $1,381,390,000 | +$906,537,957 | -$899,599,894 | +$6,938,063 | AGN, LOGM, TECD, TIF, AXE | 13F-HR | 12 May 2020, 13:16 |
| Q4 2019 | 56 | $1,433,405,000 | +$758,302,142 | -$992,782,325 | -$234,480,183 | WCG, ZAYO, AGN, ADSW, MDCO | 13F-HR | 11 Feb 2020, 12:41 |
| Q3 2019 | 62 | $1,604,678,000 | +$901,737,867 | -$1,515,160,986 | -$613,423,119 | CELG, WCG, STI, BPL, ZAYO | 13F-HR | 12 Nov 2019, 09:28 |
| Q2 2019 | 78 | $2,144,168,000 | $0 | $0 | $0 | LLL, RHT, APC, TRCO, FDC | New Holdings | 13 Sep 2019, 13:49 |
| Q2 2019 | 81 | $2,165,003,000 | +$1,322,045,910 | -$1,173,180,747 | +$148,865,163 | LLL, RHT, APC, TRCO, FDC | 13F-HR | 12 Aug 2019, 17:06 |
| Q1 2019 | 107 | $1,994,620,000 | $0 | $0 | $0 | TRCO, RHT, LLL, FDC, NAVG | New Holdings | 06 May 2019, 18:19 |
| Q1 2019 | 107 | $1,994,620,000 | +$1,575,576,331 | -$945,966,352 | +$629,609,979 | TRCO, RHT, LLL, FDC, NAVG | 13F-HR | 03 May 2019, 14:15 |
| Q4 2018 | 82 | $1,340,155,000 | +$874,868,228 | -$1,291,532,058 | -$416,663,830 | FOXA, VVC, TRCO, DNB, IMPV | 13F-HR | 05 Feb 2019, 15:14 |
| Q3 2018 | 93 | $1,809,485,000 | +$1,069,550,614 | -$1,085,318,524 | -$15,767,910 | FOXA, PF, FCEA, COL, KLXI | 13F-HR | 13 Nov 2018, 09:52 |
| Q2 2018 | 101 | $1,820,665,000 | +$1,059,633,489 | -$1,388,314,784 | -$328,681,295 | NXPI, COL, VR, KS, XL | 13F-HR | 09 Aug 2018, 16:35 |
| Q1 2018 | 83 | $2,158,291,000 | +$1,503,588,399 | -$797,273,790 | +$706,314,609 | NXPI, MON, CALD, CSRA, COL | 13F-HR | 14 May 2018, 17:14 |
| Q4 2017 | 81 | $1,458,869,000 | +$701,215,530 | -$1,277,772,583 | -$576,557,053 | NXPI, TWX, CPN, COL, TRCO | 13F-HR | 13 Feb 2018, 14:44 |
| Q3 2017 | 103 | $2,035,538,000 | +$1,081,605,147 | -$1,134,696,134 | -$53,090,987 | NXPI, BCR, TWX, PRXL, VWR | 13F-HR | 14 Nov 2017, 14:40 |
| Q2 2017 | 94 | $2,071,647,000 | +$1,454,421,211 | -$1,149,165,299 | +$305,255,912 | AWHHF, PNRA, NXPI, MBBYF, TWX | 13F-HR | 14 Aug 2017, 12:41 |
| Q1 2017 | 76 | $1,761,693,000 | +$1,178,288,520 | -$893,057,292 | +$285,231,228 | AWHHF, WWAV, VAL, PVTB, NXPI | 13F-HR | 15 May 2017, 15:49 |
| Q4 2016 | 102 | $1,467,316,000 | +$939,104,562 | -$1,041,343,254 | -$102,238,692 | STJ, CST, Endurance Specialty Holdings Ltd, HAR, WWAV | 13F-HR | 14 Feb 2017, 08:38 |
| Q3 2016 | 114 | $1,560,746,000 | +$925,739,598 | -$1,387,119,158 | -$461,379,560 | ITC, LNKD, STJ, PNY, N | 13F-HR | 17 Nov 2016, 10:38 |
| Q2 2016 | 128 | $2,016,970,000 | +$1,629,221,550 | -$1,112,883,033 | +$516,338,517 | HOT, GAS, ITC, FMER, QLIK | 13F-HR | 15 Aug 2016, 10:58 |
| Q1 2016 | 117 | $1,509,014,000 | +$1,023,240,082 | -$1,390,442,993 | -$367,202,911 | CAM, HPY, TWC, Jarden Corp, YOKU | Restatement | 16 May 2016, 16:45 |
| Q4 2015 | 106 | $1,863,540,000 | +$1,348,781,726 | -$1,470,457,401 | -$121,675,675 | PartnerRe Ltd, PCP, CB, HNT, BMR | 13F-HR | 16 Feb 2016, 09:18 |
| Q3 2015 | 89 | $1,982,223,000 | +$1,383,379,894 | -$1,788,937,651 | -$405,557,757 | PRE, PCP, CB, SIAL, CYT | Restatement | 04 Jan 2016, 16:48 |
| Q2 2015 | 83 | $2,475,882,348 | +$1,566,435,944 | -$1,767,110,164 | -$200,674,220 | A309PS, HSP, 4107PS, CTRX, WPZ | 13F-HR | 14 Aug 2015, 12:27 |
| Q1 2015 | 94 | $2,670,066,046 | +$2,014,209,100 | -$2,342,850,914 | -$328,641,814 | TRW, SLXP, A309PS, FDO, HSP | 13F-HR | 13 May 2015, 10:39 |
| Q4 2014 | 85 | $2,995,156,665 | +$1,598,986,167 | -$1,590,544,154 | +$8,442,013 | F113PS, TQNT, AGN, A309PS, PL | Restatement | 10 Feb 2015, 14:48 |
| Q3 2014 | 100 | $2,905,707,793 | +$1,506,585,047 | -$1,522,950,675 | -$16,365,628 | FWLT, TWTC, HCT, SWY, PL | Restatement | 12 Nov 2014, 13:09 |
| Q2 2014 | 78 | $2,938,331,769 | +$2,021,632,707 | -$1,925,707,784 | +$95,924,923 | FRX, UNS, SWY, FWLT, ESC | 13F-HR | 13 Aug 2014, 09:09 |
| Q1 2014 | 64 | $2,812,274,000 | +$2,296,289,509 | -$1,294,927,138 | +$1,001,362,371 | BEAM, BRE, FRX, JOSB, LSI | 13F-HR | 14 May 2014, 13:23 |
| Q4 2013 | 64 | $1,799,635,000 | $0 | $0 | $0 | LIFE, PRGO, LPS, SNTS, HTSI | 13F-HR | 14 Feb 2014, 10:08 |